I NATIONAL BUREAU OF STANDARDS REPORT

10 433

A SEARCH AND RESCUE SIMULATION MODEL FOR THE UNITED STATES COAST GUARD

VOLUME IV

PROGRAMMER LEVEL DOCUMENTATION FOR

“OPSIM”

'\

Sponsored by

U. S. Coast Guard

U.S. DEPARTMENT OF COMMERCE

NATIONAL BUREAU OF STANDARDS
NATIONAL BUREAU OF STANDARDS

The National Bureau of Standards 1 was established by an act of Congress March 3, 1901 . Today,

in addition to serving as the Nation’s central measurement laboratory, the Bureau is a principal

focal point in the Federal Government for assuring maximum application of the physical and

engineering sciences to the advancement of technology in industry and commerce. To this end

the Bureau conducts research and provides central national services in four broad program

areas. These are: (1) basic measurements and standards, (2) materials measurements and

standards, (3) technological measurements and standards, and (4) transfer of technology.

The Bureau comprises the Institute for Basic Standards, the Institute for Materials Research, the

Institute for Applied Technology, the Center for Radiation Research, the Center for Computer

Sciences and Technology, and the Office for Information Programs.

THE INSTITUTE FOR BASIC STANDARDS provides the central basis within the United

States of a complete and consistent system of physical measurement; coordinates that system with measurement systems of other nations; and furnishes essential services leading to accurate and

uniform physical measurements throughout the Nation’s scientific community, industry, and commerce. The Institute consists of an Office of Measurement Services and the following technical

divisions:Applied Mathematics—Electric: ty—Metrology—Mechanics—Heat—Atomic and Molecular Physics—Radio Physics -—Radio Engineering -—Time and Frequency - —Astrophysics -—Cryogenics.2 THE INSTITUTE FOR MATERIALS RESEARCH conducts materials research leading to im- proved methods of measurement standards, and data on the properties of well-characterized

materials needed by industry, commerce, educational institutions, and Government; develops,

produces, and distributes stanoard reference materials; relates the physical and chemical properties of materials to their behavior and their interaction with their environments; and provides

advisory and research services to other Government agencies. The Institute consists of an Office of Standard Reference Materials and the following divisions; Analytical Chemistry—Polymers—Metallurgy—Inorganic Materials—Physical Chemistry.

THE INSTITUTE FOR APPLIED TECHNOLOGY provides technical services to promote

the use of available technology and to facilitate technological innovation in industry and Government; cooperates with public and private organizations in the development of technological

standards, and test methodologies; and provides advisory and research services for Federal, state, and local government agencies. The Institute consists of the following technical divisions and

offices: Engineering Standards—Weights and Measures — Invention and Innovation — Vehicle Systems Research—Product Evaluation—Building Research—Instrument Shops—Measurement Engineering—Electronic Technology—Technical Analysis.

THE CENTER FOR RADIATION RESEARCH engages in research measurement, and application of radiation to the solution of Bureau mission problems and the problems of other agencies and institutions. The Center consists of the following divisions: Reactor Radiation—Linac Radiation—Nuclear Radiation—Applied Radiation. THE CENTER FOR COMPUTER SCIENCES AND TECHNOLOGY conducts research and

provides technical services designed to aid Government agencies in f he selection, acquisition, and effective use of automatic data processing equipment; and serves as the principal focus

for the development of Federal standards for automatic data processing equipment, techniques,

and computer languages. The Center consists of the following offices and divisions: Information Processing Standards—Computer Information — Computer Services — Sys- tems Development—Information Processing Technology.

THE OFFICE FOR INFORMATION PROGRAMS promotes optimum dissemination and

accessibility of scientific information generated within NBS and other agencies of the Federal government; promotes the development of the National Standard Reference Data System and a system of information analysis centers dealing with the broader aspects of the National Measure- ment System, and provides appropriate services to ensure that the NBS staff has optimum accessibility to the scientific information of the world. The Office consists of the following

organizational units:

Office of Standard Reference Data—Clearinghouse for Federal Scientific and Technical Information —Office of Technical Information and Publications—L.brary—Office of Public Information—Office of International Relations.

’ Headquarters and Laboratories at Gaithersourg, Maryland, unless otherwise noted; mailing address Washington, D.C. 20234.

- Located at Boulder, Colorado 80302.

a Located at 5285 Port Royal Road, Springfield, Virginia 22151.
NATIONAL BUREAU OF STANDARDS REPORT

ms PROJECT

4314561 June 1971

NBS REPORT

10 433

A SEARCH AND RESCUE SIMULATION MODEL FOR THE UNITED STATES COAST GUARD

VOLUME IV PROGRAMMER LEVEL DOCUMENTATION FOR

“OPSIM”

by F. L. B. Saunders, E. E. Leyendecker

Sponsored by

U. S, Coast Guard

IMPORTANT NOTICE NATIONAL BUREAU OF STAN

for use within the Government. Be and review. For this reason, the p whole or in part, is not authorize* Bureau ot Standards, Washington,

the Report has been specitically pr*

Approved for public release by the

Director of the National Institute of

Standards and Technology (NIST)

on October 9, 2015.

recounting documents intended

ijected to additional evaluation

ting of this Report, either in

ffice of the Director, National

le Government agency for which

;s for its own use.

U.S. DEPARTMENT OF COMMERCE

NATIONAL BUREAU OF STANDARDS

PREFACE

This volume is one of a series which documents a .Search and

Rescue Simulation Model for the United States Coast Guard. The

material reported in this documentation was developed by an interdisciplinary team at the National Bureau of Standards with representation from the U.S. Coast Guard under MlPR. Z-70Q99-0-01935.

The complete documentation is comprised of the following:

Volume I Executive Level Documentation

Volume II Analyst Level Documentation

Volume III Programmer Level Documentation for "PREPROCESSOR"

Volume TV Programmer Level Documentation for "OPSIM"

Volume V Programmer Level Documentation for "POSTPROCESSOR"

Appendix A Flow Charts for Programmer Level Documentation

Appendix B Program Listings for Programmer Level Documentation

The study was initially conducted under the supervision of Martin

J. Aronoff ; subsequently efforts were supervised by Richard T. Penn, Jr.

Technical Project Leadership was supplied throughout the project by

Stephen S. Karp. Other participants from the National Bureau of Standards

Technical Analysis Division included the following:

Susan S. Chamberlin Elizabeth E. Leyendecker

'Linda K. Cummings Marcia D. Maltese

Mary Jane Duberg Patsy L.B. Saunders*

William Elliott, III Wayne A. Steele

Walter G. Leight Michael R. Vogt

Joel Levy Arnold L. Weber

i
Valuable advice was received from Alan J. Goldman* and Prof. Gustave J. Rath

of Northwestern University.

U.S. Coast Guard participants included:

Paul D'Zmura Gerald L. Underwood

Thomas T. Matteson Robert R- Wells

Support services were furnished by the following members of the

MBS Technical Analysis Bivison:

Mary M. Abbott Frances E. Jones

Theresa I. Conrad Lucinda I. Farrell

Staff members of the NBS Applied Mathematics Divison

ii
Table of Contents

For OPSIM

I. Computer Program Listing for OPSIM

A. Definition Deck, Subroutines, Events and Reports

1. Definition Deck

2. Events List

3 . START

4 . NUCRU

5 . OPSIM

6. SRAS

7. CRES

8. VEC

9. OSET

10 . RESAP

11 . ROCA

12. MRAS

13. NOTIF

14 . TOW

15. DID

16. SRCH

17 . NOTE

18 . SASS

19 . SSS

20. READY"

21. ARSCH

iii
22, CQMPi

23 . SSET

24, FUEL

25. HOMEF

26, SNDBK

27. SRISE

28. XSET

29, SERVE

30. DELAY

31. AKVSN

32. STATS

33. SRCHF

34, ONSCN

35, COVER

36, CHEKN

37. RETN

38. TERM

39. HOME

40. SAQ

41. QUEUE

42. EXQ

43, STNBY

44. SVQUE

45. WRECK
46. ENDSIM

47. DRIVE

48. SARSIM

49. GRPRES

50, HEADER

51. TITLE

52. RESULT

53, HEAD

54. EXCASE

55, DSTRIB

56 . JUMPER
page

II. Definition Deck, 1

III. OPSIM Subroutines and Event Routines 18

A. Brief Description of Each Routine. 18

B, Note on Flowchart Nomenclature . 35

IV. OPSIM Input Data Deck 36

A. Composition of Data Deck 36

B. Systems Specification Card ....... 36

C. Initial Conditions Deck. 38

D. Blank Card 73

E. Exogenous Event Deck ......... 78

F. Data to Subroutine JUMPER 81

V. User’s Guide ...... 85

VI . Interpretation of Outputs 97

FIGURE II -1 . 2

FIGURE II -2 3

FIGURE IV-1 36

FIGURE IV- 2 . 59

FIGURE IV- 3 60

FIGURE IV-4 . 64

FIGURE IV- 5 84

FIGURE V-l 86

FIGURE V-2 89

FIGURE V-3 90

FIGURE V-4 92

vi
page

FIGURE V-5 . . . 93

FIGURE V-6

FIGURE V-7

FIGURE VI-1 9g

FIGURE VI-2. ........ 112

vii
I . Computer Program Listing for OPSIM

Computer listings for OPSIM are found

in Appendix B (NBS Report No. 10436).

viii
II. Definition Deck

Every Temporary Entity, Event Notice, Permanent Entity, Attribute,

and Set must be described in the Definition Deck. A sample coding form

for the Definition Deck is shown in Figure II-l. A listing of the

Definition Deck used for OPSIM is included with the program listing

For a detailed description of the Definition Deck preparation,

the reader is referred to SIMSCRIPT A Simulation Programming Language

by Markowitz, Hausner and Karr, Prentice -Hal 1 , Inc., 1963.

Special mention should be made of the manner in which attributes

are stored and packed. Packing allows more than one attribute to

occupy a single word of computer storage. This is necessary in order to

accommodate in core storage the large amount of information utilized

by the simulation. Care must be taken, however, that the size of the

stored attribute does not exceed the maximum allowable size for the

packing code. It should be further noted that time information must be

stored as floating point days. For maximum possible accuracy, all

attributes which contain specific times (not durations) and other

critical values should be stored in full words. The maximum size for

several packing codes is shown in Figure 1 1 - 2 below. This is an amended

version of Table 2 found on page 107 of the above references. It should

be noted that one-sixth (1/6) packing is also allowed for the UNIVAC 1108

system, but since it is not universally available, it has not been used

for OPSIM.

For attributes of Permanent Entities the packing code is in

column 44 of the Definition Card. For example the listing of the

- 1-
s:C£oo

Cl- uj

oc. o

CO

CO E3 §I

Fig.

II-lSIMSCRIPT

Definition

Form

(actual

size)

last m

set \, V, [
Maximum

Size

For

Various

Packing

Codes

- 3-

FIGURE

II
definition deck in the computer program listings shows the attribute COST

being packed two to a word and the attribute SIN being packed four to a word.

The attributes of temporary entities are stored in a different

manner. Associated with each temporary entity are a "Master Record"

and possibly several 'Satellite Records". The number of words in the

Master Record is found in column 9 and the number of words in each

succeeding Sattelite Record follows in columns 10 through 17. There can be at most eight words per record. A particular word of any record

may contain more than one different attribute. The storage code appears

in columns 25 and 26 with the packing in columns 27-29. For example, the

computer listing of the definition deck shows the CASE attribute COUNT with

code 123/4 indicating that it is stored in the third quarter of the second

word in the first satellite record. A zero or blank in column 25

indicates the master record. Two or more temporary entities and event

notices may have attributes of the same name if that attribute occupies

the same relative storage position. In this case the attribute name

appears in the Definition Deck with only one of the temporary entities

or event notices. A pictorial map of the storage layout for CASE, NOTE,

NOTIF, and FLT is given below. The other event notices have short

records and will not be mapped herein.

It should be noted that storage and retrieval times are somewhat

greater for packed attributes than for unpacked ones , and also greater

for attributes stored in Satellite Records than those in the Master

Record

.

- 4

-
Storage Layout

A. The Temporary Entity CASE

RECORD WORD

0 i SYTAG ITOL Reserved for

2 MMM NNN linkage to

3 XC Satellite Records

4 POB UTYPE L

5 SIS

L

S2S STATN AIR

6 OST RESA SWELL

7 NEED PRI FLG SIGNL

8 PCQUE SCQUE

1 1 FPRI REA IDLOC WIND

2

| NOINT LOC COUNT WAIT

3 VIS IS2 TQ1JE

4 NOCAW^^ OFSHR

5 FNSET LNSET

6 FSRHS LSRHS

7 GAMMA SEXCS

8 xcx YCY

2 1 NQUE CNRES TSVC

2 TSM TQUE1

3 COSTC WAIT

4 STINQ

5 TINQ

6 VALUE

7 OCCUR

8 YC TINT

3 1 ITOW BOX OPFAC

2 DMERT

- 5-
B. The Event Notice NOTIF

RECORD WORD

0 1

2

3

4

5

6

7

8

The first two words are used by

Simscript timing routines.

COMP NUMBR DELTA

CAS SNSET

XHAND YHAND

OST RESA KRES

NEED PRI FLG SIGNL

PCQUE SCQUE

C. The Event Notice NOTE

RECORD WORD

The first two words are used

by Simscript timing routines.

TS SSRHS

SM ESAC

SDAY SFLAG RSRC

SLIST RESA SASG

blank PRI FLG SIGNL

PCQUE SCQlE

- 6 -
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RECORD

0

WORD

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JUOOOJOOOOOOOUOOOOOOOOO - 17-
III. OPSIM Subroutines and Event Routines

A. Brief description of each routine:

1 . Exogenous Event START occurs at TIME = 0.0, The system attribute

LIMIT is calculated. The station, resource type, X coordinate and Y

coordinate of all resources are set. A Saturday indicator, ISA, and

a Monday indicator, IMO are calculated using IFDAY, the first day of

the simulation. PSHFT, the present shift, is set after checking

IFDAY and the possibility that the first day may be a holiday. The

first crew change, the first sunrise and the first sunset are created

and caused to occur at the appropriate future times

.

2. Endogenous Event NUCRU occurs when there is a change of shift.

Utilization data is accumulated for TUTIL, UTIL, USHF and CLLCT.

If it is the last shift change of the day, weekend or weekday daily

utilization statistics are also collected. PSHFT is updated and an

event notice for another NUCRU is caused at the end of the next shift.

Trie case queue is examined in NUCRU for single resource cases,

multi -resource needs and long search needs that can be served by idle

resources

.

3. Exogenous Event OPSIM creates a temporary entity, CASE, for

the incoming case. Attributes of the case are read from the exogenous

event tape. The primary station of the case, which is stored in

STATN (CASE), is among the input data received from the preprocessor.

Note that there is not necessarily a one-to-one correspondence between

the preprocessor and operational simulator station numbers; therefore,

STATN (CASE) is converted to the correct OPSIM station number. After

- 18 -
this initial conversion, STAIN (CASE) may be changed again in an effort to

detennine die best primary station of the case. If STATN (CASE) was converted

to a zero value (meaning that the preprocessor station did not exist as such

in the operational simulator) , STATN (CASE) is set equal to the nearest OPSIM

station in the district that is capable of being a primary station. If STATN

(CASE) was converted to an existing operational simulator station that is

capable of being a primary, STAIN (CASE) is set equal to the nearest station

capable of being a primary in a set which includes the primary and

all of its adjacents. If STATN (CASE) was converted to an existing

operational simulator station that is not capable of being a primary,

STATN (CASE) is set equal to the nearest OPSIM station in the district

that can be a primary.

Impossible combinations of case attributes are checked for,

and if any are found, the case is filed into the exceptional cases

set, EXCS. Exogenous Event OPSIM calls Subroutine SRCH for cases

with long searches, calls Subroutine SRAS for single resource cases

and calls Subroutine MRAS for mlti -resource cases.

4. Subroutine SPAS serves as a driver for single resource cases.

That is, it calls all necessary subroutines to find an ordered set

of resources, to select one of those resources and to serve the case.

5. Subroutine GRES determines all resources capable of serving

a single resource case, a multi -resource need or a long search need.

To obtain the resource types capable of serving a case, Subroutine

GRES first determines six applicable rows of the Resource Capability

Matrix from the values SWELL (CASE), WIND (CASE) , VIS (CASE), AIR(CASE)

,

OFSHR(CASE) , and NEED (CASE) . These six rows (The rows of the

- 19 -
Resource Capability Matrix are input as octal numbers in the

Initialization Deck, See Section II, Part W.) are "ANTPed using

the FORTRAN MB function to yield a final answer giving all the

capable resource types which are stored in IRAY1, Next, Subroutine

CRES determines all stations that can serve a case and stores them

In IRAY2, All resources that meet the resource type and station

requirements are then filed into RQUE , Note that if the number of

resource types is ever Input greater than twenty, Subroutine CRES

must be recompiled and reassembled to increase the dimension of IRAY1.

In like manner, if it is ever anticipated that the number of stations

capable of serving a case may exceed thirty, the dimension of IRAY2

must be increased.

6. Subroutine YEC calculates TVEC (time- to -vector to the incoming

case) for each resource in RQUE. Note that time -to -vector (TVEC) is a

function of the location of the resource and speed of the resource's

type , which in turn is a function of swell (SWELL)

.

7. Subroutine OSET orders the capable resources in RQUE. DVEC is

set equal to TVEC (time -to -vector) for each capable resource. However, if

the resource is idle at it's home station, DVEC is redefined to be

TVEC + DLAY (a delay time necessary to ready the resource) . Those resources with a DVEC less than or equal to the tolerance of the priority

of the case are filed into the set, CSET, which is ranked on the attribute

C0ST with low value considered best. Before the resource is

filed into CSET, the attribute COST is set according to the

cost option (COSTO) . If the COSTO is equal to zero, COST of

the resource is set equal to the relative cost ranking of the type

- 20 -
of the resource. If COSTO is equal to one, COST of the resource is

set equal to the cost per day (COSTD) of the type of the resource

times the time-to-vector (TVEC) . Those resources that cannot vector

to the case within tolerance are filed into the set, TSET, which is

ranked on the attribute DVEC with low value considered best. The

two sets are then merged; all resources in CSET are filed into RQUE

and then all resources in TSET are filed into RQUE.

8. Subroutine RESAP searches for a resource in RQUE to serve a

single resource case, a multi -resource need or a long search need.

It is divided into eight main sections: (1) searching for an idle

resource at the primary station, (2) searching for an idle resource

in RQUE, (3) searching for an idle resource at an adjacent station,

(4) searching for a resource that can be interrupted at the primary

station, (5) searching for a resource that can be interrupted at an

adjacent station, (6) searching for a resource that can be interrupted in RQUE, (7) setting JRS = 0 to indicate to the calling

subroutine that no resource is immediately available, and (8)

printing an error message for any impossible route. The sequence for

exercising these sections is determined by the user input variable,

RAP (Resource Assignment Policy.) As an example, if RAP = 2,

sections 1, 4, 3, 5 and 7 are exercised in that order. If at any

point a resource is found in sections 1, 4, 3 or 5, Subroutine

RESAP returns the number of that resource to the calling subroutine

and subsequent sections are not executed. Note that primary station

in this explanation of RESAP includes the aircraft covering stations

- 21 -
of -the primary and the covering cutters of the primary. Moreover,

"adjacent station" includes the aircraft covering stations of the

adjacent and the covering cutters of the adjacent.

9.

Subroutine ROCA determines both if the resource, selected

by Subroutine RESAP, is operational and if there is an available

crew. A standby crew may be called if the number of crews at the

station of the resource has decreased to the user input value of CL

(crew level at which a standby crew is called) and if the case has

not previously caused a standby to occur. Note that if CL is equal

to -1, standby crews will never be called.

10. Subroutine MRAS is called for every multi -resource case.

It establishes timing and causes an Event Notice NOTIF for non-tow

needs. If the case requires a tow, Subroutine TOW is called.

11. Endogenous Event NOTIF calls the routines (CRES, VEC, OSET,

and RESAP) necessary to locate a resource which can serve a single

need of a multi -resource case. If no capable resource exists,

Subroutine WRECK is called to destroy the case. If no capable resource

is available, the need associated with the NOTIF is filed in the

queue CQUE via a call to Subroutine QUEUE. If a capable resource is

available, Subroutine SERVE is called.

12. Subroutine TOW creates an Event Notice NOTIF for each tow

need of a multi -resource case. It determines the distance and destination of the tow via a call to Subroutine DTD. This information is

used to establish hand-off coordinates. If there are no non- tow needs,

the first tow NOTIF is caused. (If there are non-^tow needs, the first

tow NOTIF is caused in Endogenous Event ONSCN.)

- 22 -
13. Subroutine DTD determines the final destination for tow

cases. ’The destination is the primary station of the case unless

the primary station is a patrol. In this case the destination is

the (first) adjacent station of the primary station. The total

distance of the tow is also calculated.)

14. Subroutine SRCH creates an Event Notice NOTE for each

long search need. If it is night time (i.e., the present time is greater

than or equal to sunset and less than the time at which the sunrise

list is examined) , Subroutine SRCH attempts to serve the first search

need. All remaining search needs are filed into LIST - the sunrise

list. If it is daytime, Subroutine SRCH attempts to serve the first

search need. All other search needs are caused to occur at TIME

+ EPSLN, where EPSLN, a user input, is a small time delay usually

set to two minutes.

15. Endogenous Event NOTE occurs at TIME + EPSLN for all but

the first search need of a long search case that occurs during the

daytime. An attempt is made to serve the need. If no resource is

available, the search need is filed into CQUE.

16. Subroutine SASS orders the resources in RQUE for search

needs only. A call is made to Subroutine GRES to gather all capable

resources in the set RQUE. Subroutine VEC is called to calculate

TVEC for each resource in RQUE. The local variable TOLRS is set

equal to the search tolerance of the priority of the case. If, however,

the present time plus the search tolerance of the case priority is

greater than the next sunset, TOLRS is redefined to be sunset minus

the present time. (Note that this redefinition of TOLRS is used only

- 23 -
in the calculation of PR for airplanes and not in the PR calculation

for small boats and cutters.) PR (percentage of search miles that a resource is capable of completing before sunset or within the search

tolerance time of the case priority) is then calculated for each resource

in ROUE . Those resources that can complete the desired percentage of

search miles are filed into CSET. Resources that cannot complete the

desired percentage of search miles, but have a PR value greater then

0.0 are filed into PSET which is ranked on the attribute PR with high

value considered best. The remaining resources with a PR value of 0.0

are filed into TSET if they meet an endurance check. The three sets

are then merged into RQUE.

17. Subroutine SSS is the service routine for long search needs.

RES and FLT attributes are updated. Any previously scheduled future

event for the resource serving the long search need is cancelled and

destroyed. If the resource was idle at its home station when chosen, —

an Endogenous Event READY is created and caused. If, however, the

resource was not at its’ home station, an Endogenous Event ARSQI is

created and caused for the resource serving the long search need.

18. Endogenous Event READY occurs at the end of the delay time

necessary to ready a resource at it’s home station before serving a

long search need. TVEC (time -to -vector) is calculated, DEP (departure

time) is set, XIEST (X coordinate of destination) is set, and YDEST

(Y coordinate of destination) is set. An Endogenous Event ARSCH is

created and caused to occur at TIME + TVEC.

- 24 -
19. Endogenous Event ARSCH occurs when a resource arrives on

scene to serve a long search need. Depending on the endurance of the

resource and the present time, one of three possible future events -

FUEL, SSET or COMPL - is created and caused to occur.

20. Endogenous Event COMPL occurs when a long search need is

completed. A check is made to determine if all long search needs of

the case are completed. If this is true, Subroutine SRAS is called

for single resource cases, Subroutine MRAS is called for multi -resource

cases, and Subroutine TERM is called for cases that have no additional

needs

.

21. Endogenous Event SSET occurs at sunset when a resource

serving a long search need is taken off the case because of darkness.

The search need is placed in the sunrise list and a call is made to

EXQ for the now idle resource.

22. Endogenous Event FUEL occurs when a resource serving a long

search need must return home to refuel. Attributes are updated and

Endogenous Event HOMEF is created and caused to occur.

23. Endogenous Event HOMEF occurs when a resource arrives at it’s

home station to refuel. Attributes are updated and Endogenous Event

SNDBK is created and caused to occur.

24. Endogenous Event SNDBK occurs at the completion of refueling

of a resource serving a long search need. At this point, the temporary

entity FLT is destroyed for the refueled resource, and it is returned

to an idle status . A call is made to Subroutine SASS to gather an

ordered set of resources capable of serving the remaining portion of the

- 25 -
long search need. The set RQUE is then examined for the best idle

resource to serve the need. Xf the best idle resource is the refueled resource that last served the search need, a new FLT is created,

RES, FLT and NOTE attributes are updated, and an arrive -on -scene event

(ARSCH) is created and caused to occur at TIME + TVEC. However, if the

best idle resource is any other resource, Subroutine SSS is called.

25. Endogenous Event SRISE occurs at RISE-XRX. The sunrise list

is examined and resources are vectored to arrive on the search scene

at sunrise or soon thereafter. The next SRISE is caused at TIME +

1 . 0 (day)

.

26. Endogenous Event XSET occurs at sunset each day. All queued

long search needs are removed from CQUE and filed into the sunrise list,

LIST. The next XSET is caused at TIME +1.0 (day).

27. Subroutine SERVE is called every time a resource is assigned

to a case for reasons other than a long search. Data is accumulated

for several statistics (COSTC, CNRES, NEEDS and NCASE) . If the resource is at it's home station, a temporary entity FLT is created to

be associated with the resource until it returns home via Endogenous

Event HOME. RES and FLT attributes are updated and an Event Notice

DELAY is created and caused. If the resource is not at its home 'S

station, any event previously scheduled for the resource in connection

with some other case is cancelled and destroyed. RES and FLT attributes

are updated and an Endogenous Event ARVSN is created and caused.

28. Endogenous Event DELAY occurs at the end of the delay time

necessary to ready a resource at it's home station before vectoring to

- 26 -
the scene of any need other than a long search need. XDEST and YEEST

(destination coordinates) are set; DEP (departure time) and TpLT (time that

/

resource leaves its home station) are set equal to TIME. An Endogenous

Event ARVSN is then created and caused to occur at TIME + ROS.

29. Endogenous Event ARVSN occurs when a resource arrives at the

scene of a case for reasons other than a long search. If the resource

is the first resource to arrive on scene, data is collected for the

statistics RESA, WAIT, NCAS, AVGW, TQUE1, and JFAIL3. Subroutine STATS

is also called to collect other case, station and group statistics.

If this is the first resource to arrive on scene there is a check to

see if a short search is needed. If so, there is a call to Subroutine

SRCHF which establishes the information needed for a short search.

The priority of the case is increased to S2PRI until the short search

is completed. ARVSN also determines the resource responsible for

maintaining coverage. The resource responsible for coverage is chosen

from among all resources at the scene of the case as that resource

associated with the greatest value of RLS. RLS is equal to the time

that the resource arrived on scene plus the on scene time during which

the resource will actually serve the particular need. If a covering

resource has fulfilled its on scene time, the next resource to arrive

on scene will become responsible for coverage and the resource formerly

covering will be relieved of duty via a call to Subroutine RETN.

- 27 -
Still another function of ARVSN is to determine the on scene

time if the resource will be towing or providing an air escort.

For single resource cases there is a call to Subroutine DTD to determine the destination and distance for the tow. (For multi -resource

cases this information was previously determined and stored by

a call to Subroutine TOW from MRAS.) The length of the case as

well as the type of resource serving the tow or air escort determine

the speed at which the tow proceeds and thus the on scene time.

30. Subroutine STATS, which can be called from Endogenous Event

ARVSN or from Endogenous Event ARSCH, collects station, group and

district statistics when the first resource arrives at the scene

of a case. It also accumulates case statistics for both weekdays and weekends with holidays being included in the weekend

statistics.

31. Subroutine SRCHF is called when the first ARVSN occurs

for a case requiring a short search. If an additional resource

is needed, Subroutine SASS and RESAP are called. If an additional resource is located, the associated on scene time is calculated. The on

scene time of the resource having the first ARVSN is increased so that

it remains on scene until the short search is completed. For multi

resources cases an Event Notice NOTIF is created to be associated with

the short search. The additional resource is assigned to the case via

a call to Subroutine SERVE. If the short search was originally to

- 28 -
be handled by the first arriving resource or if there is no additional

resource available, the resource having the first ARVSN will also

serve the short search. The on scene time for this resource is increased to include the time spent searching.

32 . Endogenous Event ONSCN occurs differently for resources that

are towing and resources serving non- tow needs. For non- towing

resources there is an ONSCN when the resource first arrives on

scene and thereafter at intervals of time equal to the on scene time

divided by KKK, On all but the last ONSCN for a particular resource

there is a reevaluation of the case priority. At the last ONSCN for

the resource serving the last non-tow need of a case there is a check

to see if a tow is needed. If so the first tow is initiated. A call

to Subroutine CRES determines whether or not the resource serving

the last non-tow need can also serve the tow. If so, it is assigned

to serve the tow via a call to Subroutine SERVE. If not, an Event Notice

NOTIF is caused for the first tow. If a resource is not responsible

for coverage at the time of its last ONSCN, it is relieved of duty via

a call to Subroutine RETN. For towing resources there is only one

occurrence of ONSCN, that being when the tow is completed. There is

no reevaluation of the case priority in this situation. If the resource

is completing the first of a two part tow, an Event Notice NOTIF is

created for the second tow. The attribute COUNT (CASE) keeps track

of the number of needs and tows for the case which have been completed.

This variable is increased by one whenever a resource has its last ONSCN

- 29 -
for a particular case. There is one exception to the above description

which applies to short searches which are served by the first resource

to arrive on the scene of the case. The first occurrence of ONSCN for

such a resource is after the short search is completed. The priority of

the case is immediately restored to the original case priority and the

on scene time applicable for this resource is reduced to its origianl

value. (Subroutine SRCHF increases on scene time). Thereafter the

above description applies depending on whether the resource is towing or

not.

33. Subroutine COVER is called when a resource responsible for

coverage is interrupted to serve another case. It considers all

other resources on the scene of the case being interrupted to determine

another resource responsible for coverage. As explained in the description of ARVSN, the attribute RLS is used to establish coverage.

34. Endogenous Event CHEKN occurs every TCHEK hours for a covering

resource. Subroutine EXQ is called to determine if the covering resource

can serve any case in the queue. If it cannot serve any case in the

queue, it remains as the covering resource on it’s present case and

another CHERN is created and caused to occur at TIME + TCHEK. If it

can serve a queued case or need, Subroutine EXQ updates all applicable

attributes and calls the proper subroutine to serve the case or need.

35. Subroutine RETN is called when a resource serving other than

a long search finishes an assignment. It relieves the resource of its

current duty by setting IB = 0 and returns the resource to the system

via a call to Subroutine EXQ. If the resource was an additional

- 30 -
resource serving only a short search, the priority of the case is reduced

to its original level. If COUNT (CASE) indicates that all needs and tows

of the case have been completed, the case is terminated via a call to

Subroutine TERM.

36. Subroutine TERM occurs when all the needs and tows of a case

have been completed. TSVC (time case spent in system) statistics are

accumulated and the value of STATE is tested. If STAPE is not equal

to zero, all pertinent case attributes are output on logical unit STAPE

for the post processor. There is no output for the post processor if

STAPE is equal to zero. All temporary entities and event notices associated

with the case as 'well as the case itself are destroyed.

37. Endogenous Event HOME occurs when a resource arrives at its

home station after finishing an assignment. The temporary entity FLT

is destroyed and expected idle alpha time (EIAT) is set to zero.

The coordinates of the resource are set to the coordinates of the home

station and the number of busy crews is reduced by one. Utilization

data is collected in TUTIL.

38. Subroutine SAQ is called from RESAP when a single resource

case, a multi -resource need or a long search need is interrupted. If

a tow was interrupted, the location of the case and the location of

the resource are updated to be the previously calculated interrupt location of the resource. Interrupt statistics (NOINT, TOTIN and NINTR)

are accumulated. Subroutine COVER is called if the resource was

covering on the interrupted case. If it's determined that the interrupted

- 31 -
resource was covering only, no attempt is made to vector an

idle resource to the scene for coverage purposes.

If a single resource case or a search need has been interrupted,

Subroutine SAQ attempts to find an idle resource to serve it. The

case or need is queued if no capable resource is available. If a

multi -resource need has been interrupted, Subroutine QUEUE is called.

39. Subroutine QUEUE is called when a resource is interrupted

while serving a multi -resource need or when no capable resource is available

to serve a multi -resource need. In the interrupt situation, an attempt

is made to locate another resource to serve the need via calls to Subroutines GEES, VEC, OSET, and ROCA. The usual call to RESAP is replaced

by a search through the ordered set of resources RQUE. The first nonbusy resource with an available crew is assigned to serve the multiresource need via a call to Subroutine SERVE. RESAP cannot be called since

it created the interrupt situation and an infinite logical loop would be

generated. If no capable resource is available to serve the need, the NOTIF

associated with the need is filed in the queue CQUE. If there are no other

NOTIF’ s of the case already in CQUE or if there are no other NOTIF 's of the

case in CQUE due to interrupts, and this NOTIF is queued because of an

Interrupt, the attributes TINQ and/or STINQ are set to the current value

of TIME. If an air escort is to be queued, Subroutine WRECK is called.

t 40. Subroutine EXQ examines the queue, CQUE, for a single resource

case, a multi -resource need or a long search need that can be served

by a resource becoming idle. If the resource is not capable of serving

any case or need in the queue, an Endogenous Event HOME is created and

caused for the recource.

- 32 -
41. Endogenous Event S'lNBY occurs when a standby crew arrives

at it's station. The queue is examined for cases which that station

is capable of serving,, If the crew cannot be used to serve any CASE or

need in the queue, the stand-by crew is not added to the available

crews at the station. If the crew can be used, the appropriate subroutine is called to serve the case.

42 . Subroutine SVQUE is called when a resource is assigned to

serve a NOTIF in the queue OQUE. If there are no other NOTIPs of

the case in CQUE, the time in queue TQUE is accumulated. If this

NOTIF was queued because of an interrupt and if there are no other

NOTIF *s of the case in the queue due to interrupts, the attribute

TINT is accumulated. The NOTIF is removed from CQUE and Subroutine

SERVE is called.

43. Subroutine WRECK is called when a multi-resource case is

being terminated for reasons other than completion. It cancels and

destroys temporary entities and event notices associated with the

case. Any resources serving the case are released via a call to Subroutine EXQ. The case is filed in a set of exceptional cases EXCS

to be output at the end of the simulation.

44. Exogenous Event ENDSIM occurs when the simulation is to end.

It is triggered by the last entry on the Exogenous Event Tape containing the case input data. Output data are averaged over time and

DRIVE is called to control the report output. The statistics and

- 33 -
data of the report output will be described later in part VI of this

section. All cases in the set of exceptional cases EXCS are output

on logical unit STAPE, if STAPE is unequal to zero.

45. Subroutine DRIVE is called from ENDSIM at the end of the

simulation. It serves as a driver to call the several report

generators and the output subroutines, EXCASE and JUMPER. It also

generates printed output for cases remaining in CQUE and for cases

still being served at the end of the simulation.

46. Report SARSIM is the report generator for printing district

statistics and station response.

47. Report GRPRES prints group response.

48. Report HEADER is the report generator for printing the

heading of the resource utilization section.

49. Report TITLE is the report generator for printing resource

utilization for each shift at each station.

50. Report RESULT, a report generator, prints the utilization

of each resource.

51. Report HEAD, a report generator, prints the heading of the

exceptional cases section.

52. Subroutine EXCASE prints all exceptional cases in the

set EXCS.

53. Report DSTRIB prints daily utilization distributions

and certain case attribute distributions.

54. Subroutine JUMPER is an output routine printing all

changes, additions and deletions to the initialization data base. It

is coded in FORTRAN.

- 34 -
B. Note on Flowchart Nomenclature

It should be mentioned that attribute names shown in the

flowcharts^are sometimes abbreviated relative to the names in the

computer programing code. This abbreviation is due to the lengthiness of the subscripts required to completely identify a particular

entity or event notice of which the variable is an attribute. The context

removes any possible ambiguity. For example, CUT (ADIS (STAN (CASE) , I ) f J)

,

which is the Jth cutter of the Ith adjacent station of the primary

station of CASE , may be abbreviated at CUT (ADJS)

.

r

* All flowcharts for OPSIM are found in Appendix A (NBS

Report No „ 10435)

.

- 35 -
IV . OPSIM Input Data Deck

A. Composition of the data deck

The data deck is composed of the system specifications card,

the initial conditions deck, a blank card, the exogenous events deck

and input data for Subroutine JUMPER. The order of these is illustrated

in figure IV - 1 below.

Figure IV - 1

B. System Specifications Card

The contents and format of the system specifications card

follow

;

Columns

1

6

7-12

Contents

The number one (1)

.

If this Column is non-blank, the

initial conditions deck will output

to the printer.

Maximum array number that appears in

columns 32 through 34 of the Definition

Form (Section II, Part II). This integer is right- justified in the field and

presently has the value of 175.

- 36 ^
13-18 Right -justified integer number of

minutes per hour of simulated time. If

left blank, the number of minutes per

hour is assumed to be 60. For OPSIM

runs, it may be left blank.

19-24 Right-justified integer number of

hours per day of simulated time.

If left blank, the number of hours

per day is assumed to be 24. For

OPSIM runs, it may be left blank.

25-30 The initial value of the root to be

used in generating random numbers.

This is a right- justified integer and

must be an odd number. If left

blank, it is assumed to be 1. It

is suggested that the user fill

the field with an odd number.

31-36 Right-justified integer indicating

the logical tape unit from which

the initial conditions deck is

read. If left blank, the initial

conditions deck will be read from

logical tape unit five - the

card reader,

37-42 Right-justified integer indicating

the logical tape unit from which the

exogenous events deck is read. If

left blank, logical tape unit five -

the card reader—is assumed.

43-48 Right-justifi 2 d integer indicating

the logical tape unit on which re- ports are written. If left blank , logical tape unit six - the printer -

is assumed.

- 37 -
49-54 Number of lines per page of printed

output. This is a right- justified

integer, the maximum value of

which is 59 . The number of lines

will be 55 if this field is left

blank.

C. Initial Conditions Deck

1. Composition of Initial conditions deck

The Initial conditions deck consists of initialization cards and

data cards keypunched from the form shown In Figure IV- 2. Every

array number appearing in columns 32-34 of the definition deck must

be accounted for in sequential order in the initialization cards.

It is suggested that the user read Chapter 14 (Initial Conditions

Deck) in SIMSCRIPT , A Simulation Programming Language by Markowitz,

Hausner and Karr for farther explanations on procedures for preparing tiie initial conditions deck.

2. Explanation of format and. content of OPSIM's initial conditions

deck using the Thirteenth Coast Guard District, July 1968, as an example.

Note that all data is right --justified unless otherwise specified.

- 38 -
SIMSCRIPT

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(actual

size)

Figure

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•46-
EXPLANATION OF INITIAL CONDITIONS INPUT

INITIALIZATION CAFD COLUMNS CONTENT

1 1-4 The number "1".

12 The letter "R".

50-66 Left-justified integer giving the total

number of resources in a run. 67-80 Field for comment.

2 1-4 The number "2".

5-8 The number "5".

10 The number "1".

13 The letter "Z".

15-18 Integer giving the total number of resources.

19-22 The number "1".

34 The number "2".

67-80 Field for comment.

3 1-4 The number "6".

5-8 The number "7".

rH o The number "1".

13 The letter "Z".

15-18

i Integer giving the total number of resources.

19-22 The number "1".

34 The number "4".

i 67-80 | Field for comment.

4 1-4 The number "8".

5-8 The number "20".

i— 1 o The number "1".

; 13 The letter "Z".

1 15-18 Integer giving the total number of resources

.

19-22 The number ”1".

34 The number "2".

67-80 Field for comment.

5 1-4 The number "21".

5-8 The number "22".

- 47 -
INITIALIZATION CARD COLUMNS CONTENT

10 The number "1".

13 The letter "Z".

15-18 Integer giving the total number of resources

19-22 The number "1".

34 The number "4".

67-80 Field for comment.

6 1-4 The number "23".

12 The letter "R".

50-66 Left-justified integer giving the number

of resource types.

67-80 Field for comment.

7 1-4 The number "24"

10 The number "1",

13 The letter "Z".

15-18 Integer giving the number of resource types.

19-22 The number "23".

34 The number "2".

67-80 Field for comment.

8 1-4 The number "25".

10 The number "1".

12 The letter "R".

15-18 Integer giving the number of resource types.

19-22 The number "23".

34 The number "2".

50-66 Left- justified format - 12(H4.1)

67-80

i Field for comment

i Data cards must follow initialization card number 8 to read in en- durance times for each resource type. The format for these data cards

is given in columns 50-66 of the initialization card. In this case, the

format is 12(H4.1). The "12" gives the number of fields per card.

The letter ”H" indicates that the endurance times are to be read in

decimal hours. The "4.1" indicates there will be four places to the

left of the decimal point, the decimal point and one place after the

decimal point making each field occupy six columns.

- 48 -
INITIALIZATION CARD COLUMNS CONTENT

9 1-4 The number "26".

10 The number "1".

12 The letter "R".

15-18 Integer giving the number of resource types

19-22 The number "23".

34 The number "2".

50-66 Left- justified format - 7 (U7 . 2)

67-80 Field for comment.

Data cards are required after initialization card 9 to read in the

cost per day of each resource type. The format 7(U7.2), indicates seven

floating point numbers per card each with seven places before the

decimal point, the decimal point and two places after the decimal

point. The "U" means that "unsigned” floating point numbers are being read in.

10 1-4

10

12

15-18

19-22

34

50-66

67-80

The number "27".

The number "1".

The letter "R".

Integer giving the number of resource types

.

The number "23".

The number "4".

Left- justified format - 16(14)

Comment field.

Data cards to read the relative cost ranking of each resource type

should follow initialization card 10. The format 16(14) implies sixteen

integers per card with four columns per field.

11 1-4

10

12

15-18

19-22

34

The number "28".

The number "1".

The letter "R".

Integer giving the number of resource types

.

The number "23 n

. The number "2".

- 49 -
INITIALIZATION CARD

’ COLUMNS CONTENT

50-66 Left-justified format - 12(U4.1).

67-80 Comment field.

Dat<a cards to read speed-of- advance I for each resource type

follow card 11. These are read in miles per day under the format

12(U4»1)

.

12 1-4

10

12

15-18

19-22

34

50-66

67-80

The number "29 n

. The number "1".

The letter "R".

Integer giving the number of resource types.

The number ”23".

The number "2".

Left- justified format - 12(U4.1).

Comment field.

Following initialization card 12 are the data cards to read speedof-advance II for each resource type. These are read in miles

per day under the format 120J4.1).

13 1-4 The number "30".

10

12

15-18

19-22

34

50-66

67-80

The number "1".

The letter "R".

; Integer giving the number of resource types.

: The number "23".

| The number "2".

; Left-justified format - 12(U4.1).

j Comment field.

Data cards to read the search speed -of -advance for each resource type

follow card 13 . These are also input in miles per day under the

format 12 (U4 .1)

.

14 1-4 The number "31".

10

12

15-18

The number "1".

The letter "R".

Integer giving the number of resource types.

- 50 -
INITIALIZATION CARD COLUMNS CONTENT

19-22 The number "23".

34 The number "4".

50-66 Left-justified format - 16(14)

.

67-80 Comment field

Data cards follow to read in the swell limit on speed-of-advance

I for each resource type. The swell limit is expressed in feet under

the format 16(14). Note that there is no swell limit for an aircraft resource type.

15 1-4 The number "32”.

10

12

15-18

19-22

34

50-66

67-80

The number "1".

The letter MR".

Integer giving the number of resource types

The number "23".

The number "2".

Left-justified format - 12(H4.1).

Comment field.

Data cards follow to read the time -to -re fuel for each resource

type. The format is 12(H4.1).

16 1-4

10

12

15-18

19-22

34

50-66

67-80

The number "33".

The number "1".

The letter "R".

Integer giving the number of resource types

The number "23".

The number "2".

Left-justified format - 13(U2.2).

Comment field.

Data cards follow to input operational probabilities for each

resource type under the format 13 (U2 . 2)

.

17 1-4 The number "34".

18

12

50-66

67-80

1-4

10

The letter "R".

Left-justified integer giving the number

of stations.

Comment field

The number "35".

The number "2".

- 51 -
INITIALIZATION CARD COLUMNS CONTENT

12 The letter "R".

15 - 18 Integer giving the number of stations

19 - 22 The number "34".

40 The number "4".

41 The letter "R".

50 - 66 Left-justified format - 14(15).

67 - 80 Comment field

Following initialization card 18 is the ragged table (refer to Mar

Markowitz for an explanation of ragged tables) to input the covering

aircraft stations of each station. There is usually one input card

per station in this set of data cards. Each card contains the aircraft covering stations of one station under the format 14(15) and an integer right-justified in columns 71 and 72 giving the number of

fields to be read from the card. If a station has more than 14 aircraft covering stations, the first card would contain the first 14

and the letter "C" heypunched in column 72. The next card would con- tain the remaining aircraft covering stations with the numbers of

fields to be read keypunched in columns 71 and 72. Note that if a station has no aircraft covering station, a "0" should be keypunched

in column 4 and a "1" should be keypunched in column 72 on the card

for that station.

19 1-4

10

12

15-18

19-22

| 40

i 41

50-66

67-80

The number "36".

j The number "2".

The letter "R".

| Integer giving the number of stations.

The number "34".

The number "4".

The letter "R".

Left-justified format - 14(15).

Comment field

Following initialization card 19 is the ragged table to input

the adjacent stations of each station. The above discussion

on the ragged table input of aircraft covering stations applies

here also.

20

10

12

15-18

19-22

40

41

The number "37".

The number "2".

The letter "R".

Integer giving the number of stations.

The number "34".

The number "4".

The letter "R".

-52
INITIALIZATION CARD COLUMNS CONTENT

50-66 Left-justified format - 14(15).

67-80 Comment field.

Following card 20 is the ragged table to input the covering

cutters of each station. The discussion of ragged table input

above applies

21 1-4 The number "38".

10 The number "1".

12 The letter "R".

15-18 Integer giving the number of stations

.

19-22 The number "34".

34 The number "2".

50-66 Left-justified format - 12(D4.1).

67-80 Comment field.

Data cards to

i input the X coordinate of each station follow

initialization card 21. The format 12(D4.1) calls for ”12"

fields per card. The "D4.1" means that signed floating point

numbers with four places before the decimal point, the decimal

point and one place after the decimal point are to be read.

22 1-4

10

12

15-18

19-22

34

50-66

67-80

The number "39".

The number "1".

The letter "R".

Integer giving the number of stations.

The number "34".

The number "2".

Left-justified format - 12(D4.1).

Comment field.

Data cards to input the Y coordinate of each station follow

initialization card 22. The format, 12(D4.1), is explained

above under initialization card 21.

23 1-4

10

13

15-18

The number "40".

The number "1".

The letter "Z".

Integer giving the number of stations.

i - 53 -
INITIALIZATION CARD ; COLUMNS

f 19-22 !

! 1 34

67-80 | 24 1-4

10

|

I 13

15-18 j 19-22 j 34

67-80

| 25 ! 1-4

10

13

15-18

19-22

34

67-80

26 1-4

10

13

15-18

! 19-22

34

67-80

27 1-4

10

13

I 15-18 ! 19-22

34

67-80

| 28 1-4

10

CONTENT

The number "34".

The number ”2".

Comment field

The number ”41".

The number ”1".

The letter "Z".

Integer giving the number of stations

.

The number "34".

The number "4".

Comment field.

The number "42".

The number "1".

The letter "Z".

Integer giving the number of stations.

The number "34".

The number "4".

Comment field.

The number "43".

The number "1".

The letter "Z".

Integer giving the number of stations

.

The number "34".

The number "4".

Comment field.

The number "44".

The number "1".

The letter "Z".

Integer giving the number of stations.

The number "34".

The number "2".

Comment field.

The number "45".

The number "1".

- 54 -
INITIALIZATION CARD COLUMNS CONTENT

13 The letter "Z".

15-18 Integer giving the number of stations.

19-22 The number "34".

34 The number "4".

67-80 Comment field.

29 | 1-4 The number "46".

] 10 The number "1".

13 The letter "Z".

15-18 Integer giving the number of stations.

19-22

. The number "34".

34 The number "2".

67 80 Comment field.

30 1-4 The number "47".

10 The number "1".

13 The letter "Z".

15-18 Integer giving the number of stations

.

19-22 The number "34".

34 The number "4".

67-80 Comment field.

31 1-4 The number "48".

10 The number "1".

13 The letter "Z",

15-18 Integer giving the number of stations

.

19-22 The number "34".

34 The number "4".

j 67-80 Comment field.

32 1-4 The number "49".

10 The number "2".

12 The letter "R".

15-18 Integer giving the number of stations.

| 19-22 The number "34".

| 40 The number "4".

f

-55- i
INITIALIZATION CARD COLUMNS CONTENT

41 The letter ”R”.

50-66 Left- justified format - 16(14)

.

67-80 Comment field.

The table to input the number of resources of each resource

type at each station follows initialization card 32. There is

usually one input card per station in this data set. Each

card contains the number of resources of each resource type at

a station read in under the format 16(14) and an integer rightjustified in columns 71 and 72 giving the number of resource

If there are more than 16 resource types, the first card for

a station would contain the number of resources of the first

16 types and a C keypunched in column 72. The next card

would contain the number of resources of the remaining types

and the number of fields to be read keypunched in column

71 and 72.

33 1-4

10

12

15-18

19-22

40

41

50-66

67-80

The number ”50".

The number ”2”.

The letter ”R”.

Integer giving the number of stations

\ The number ”34”.

The number ”4”.

The letter "R".

Left- justified format - 8(14).

Comment field.

The table to input the number of crews during each shift at each

station follows initialization card 33. There is one input card

per station in this data set. Each card contains the number

of crews during each shift for a station under the format

8(14) and an integer right- justified in columns 71 and 72 giving

the number of shifts . The number of shifts cannot be greater

The number ”51”.

The number ”1”.

than 8.

} 34 1-4

O

r—

1

13

15-18

The letter ”Z”.

Integer giving the number of stations
INITIALIZATION CARD COLUMNS CONTENT

19-22 The number "34",

34 The number "4".

67-80 Comment field.

35 1-4 The number "52".

10 The number "1".

13 The letter "Z".

15-18 Integer giving the number of stations.

19-22 The number "34".

36

34

67-80

1-4

The number "2".

Comment field.

The number "53"

37

38

I

i

12

50-66

67-80

1-4

10

13

15-18

19-22

23-26

27-30

40

67-80

1-4

10

13

15-18

19-22

34

67-80

The letter "R".

Left- justified integer giving the total

number of weekend shifts and weekday

I shifts.

Comment field.

The number "54".

! The number "2".

j The letter "Z".

Integer giving the number of stations.

i

; The number "34".

| Integer giving the total number of shifts,

i The number "53".

I The number "2".

Comment field.

The number "55".

j The number "1".

The letter "Z".

Integer giving the number of shifts

.

The number "53".

The number "2".

Comment field.

|

I

}

i

f

t

J - 57 -
INITIALIZATION CARD COLUMNS CONTENT

39

| 1-4

! 10

i 12

15-18

19-22

34

i 50-66

t 67-80

The number "56".

The number "1".

The letter "R".

Integer giving the number of shifts

.

The number "53".

The number "2".

Left-justified format - 8(H2.2).

Comment field.

One data card follows initialization card 39 to input the times

that the shifts end. Times that weekday shifts end are keypunched

forst with the times that weekend shifts end keypunched last.

The format, 8(H2.2) indicates a maximum of eight fields on

the card with the times given in decimal hours

.

40

41

42

1-4 The number "57".

10 The number "1".

i 13

| The letter "Z".

15-18 | Integer giving the number of shifts.

19-22 j The number "53".

34 j The number "2".

67-80 j Comment field.

1-4

| The number "58".

12 The letter "R".

50-66 The number "5", left- justified.

67-80 Comment field.

1-4 The number "59".

10 The number "1".

12 The letter "R".

15-18 The number "5".

19-22 The number "58".

34

| The number "2".

50-66 Left-justified format - 5(H2.2).

67-80 Comment field.

1

l

-58-
INITIALIZATION CARD COLUMNS CONTENT

One data card follows initialization card 42 to input tolerance

times in decimal hours „ Note that there are always 5 tolerance

times. The first tolerance time will have the greatest value

since severity level 1 is the lowest priority.

1-4 The number "60".

| 10 The number "1".

i 12 The letter "R".

15-18 !

1 The nianber "5".

19-22 | The number "58",

34 | The number "2".

50-66 | Left-justified format - 5(H2.2).

67-80 i Comment field.

One data card follows to input search tolerance times in

decimal hours . Again there are always 5 search tolerance times

and the first will have the greatest value since severity

level 1 is the lowest priority.

44

45

12

50-66

67-80

1-4

10

12

15-18

19-22

50-66

67-80

The number "61".

The letter "R".

Left-justified integer giving the

number of rows in the Resource

Capability Matrix (Figure IV- 3)

.

Comment field.

The number "62".

The number "1".

The letter "R".

Integer giving the number of rows

| in the Resource Capability Matrix

| The number "61".

| Left- justified format - 6(012).

| Comment field.

Data cards to input the Resource Capability Matrix follow

initialization card 45. The format, 6(012) indicates 6 fields

per card with 12 columns per field. Each row of the Resource

Capability Matrix is represented by one octal number. (See

Figure TV- 3) . The Resource Capability Matrix must be changed

- 59 -
SAMPLE

RESOURCE

CAPABILITY

MATRIX

•H 03

r-H •H dJ X5 U

03 i CL C

03 O

U C

ro a;p

p.

t''.

B

O *H

P-« P

bOP£

bO .as

T5 <y rHI

<S'
FIGURE

IV3

1

-

indicates

capability

SAMPLE

RESOURCE

CAPABILITY

MATRIX

°

'

indicates

non-capability

T3

<D

Right

-justified

Octal

Number

Representing

Row

157760 114760 114760 000160 157761 157760 016760 000760 LLLLL I

116677 016677

r*- ooo

LLLLLl 177775 114777 LLLLLl 014777 177777 177017

RESOURCE

TYPE

to O O O O rH O O O rH rH rH rH rH i—1 rH rH rH rH rH

CM

LOX

X o o o o O o O o rH rH rH rH rH O rH rH rH rH rH

vD o o o o O o o o rH i—

1

rH i—

1

rH rH rH i—

1

rH rH rH Oto

r—

1

u

o o o o O o o o rH rH rH rH rH rH rH rH rH rH rH

CJs

1—1 rH 1—1 rH rH rH rH rH rH rH i—1 rH rH rH rH rH rH rH O

u 1—

1

rH rH rH rH rH rH rH rH rH rH rH rH rH rH rH rH rH O

rH rH rH rH rH rH rH rH i—1 O O O rH rH rH rH I—1 rH O

82/95-P

r—

1

rH rH O rH rH rH rH rH rH rH O i—1 rH rH rH rH rH O -61-

82/95 rH rH rH O rH rH rH rH rH rH i—1 O rH rH rH rH i—1 rH O

MRB/MSB rH O O O i—1 rH O O rH O O O i—

1

i—

1

O i—

1

O rH rH

36

's

rH O o O i—1 rH rH O i—

1

rH rH O i—

1

rH O i—

1

O rH i—

1

52

's rH i—

1

rH o rH rH rH O rH rH rH O rH rH rH rH rH rH rH

44

's

rH rH rH o rH rH rH O rH rH rH o rH rH rH rH rH rH rH

C/)

rH O O O o O O O O i—

1

O O o rH rH O rH O rH rH

(f

)

O

TO

rH O O o rH rH o O i—1 o O o rH rH O i—1 O rH rH

40'

s

rH rH rH o rH I—1 o O rH rH O o rH rH rH rH o rH rH

For Attribute

NEED:

Towed

-

30

<

L(CASE)

<

65'

NEED:

Towed

-

65'

<

L(CASE)

<

100'

NEED:

Towed

-

100'

<

L(CASE)

<

200'

NEED:

Towed

-

L(CASE)

a

200'

NEED:

Evacuate

POB’s

5

<

POB(CASE)

<10

NEED:

Evacuate

POB's

10<

P0B(CASE

)<

18

NEED:

Evacuate

POB's

18

<

P0B(CASE)<

25

NEED:

Evacuate

POB's

POB

(CASE)

>

25

O'

<

SWELL

(CASE)

<

5' OrHVS'

d

VI

LO

10

<

SWELL

(CASE)

<

20'

SWELL

(CASE)

>

20'

WIND

(CASE)

<

60

WIND

(CASE)

>

60

VIS

(CASE)

=0

VIS

(CASE)

>0

AIR(CASE)

<

20°

AIR(CASE)

>

20°

0

<

OFSHR(CASE)

<

1/2

Row

Number CV4 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
o3 i a o o c

i—I o

to>a3 3.

.spcou

Right-justitied

Octal

Number

Representing

Row

177777 157777 116777 016777 000777

RESOURCE

TYPE

to3

r—I - rH rH tH

|hH

52

H rH rH rH rH

HU

16 1 - ip rH

H rH

Oto

tHuH rHH rHH

us - rH rH - tH

MEC rH rH

H rHH

rH rH

H tHH

82/95-P

rH i—1 H rH

H

LO

cr>

rsj oo

rH rH

H rH rH -62-

mrb/msb! rH rH

OOO

36

's

rH rH rH rH

O

(/) CO

LO

rH

H rH rH

O i—1 H rH rH O

If)

[>~ t—1 tH

O

OOO

30

's

rH rH

O o o

40

's

tH rH rH o o

For Attribute

1/2<

OFSHR(CASE) <5 5<

OFSHR(CASE) <

10

10<

OFSHR(CASE) <

20 oLOV

g?

to

Uho

vi oCO

OFSHR(CASE) >

50

Row

Number 39 40 41 42 43
INITIALIZATION CARD COLUMNS CONTENT

if there is a change in the number of resource types and if there

is a change in the capable/non-capable status of any matrix

element. Of course, it would also need to be changed if more

rows were added, but this would also require a change in the

computer programming code in Subroutine CRES

.

46

47

1-4

12

50-66

67-80

1-4

10

12

15-18

19-22

50-66

67-80

The number ”63”.

The letter ”R".

Left-justified integer giving the

number of resource types.

Comment field.

The number ”64”.

The number ”1”.

The letter "R".

Integer giving the number of resource types.

The number ”63".

Left-justified format - 6(012).

Comment field.

Data cards follow initialization card 47 to input the permanent

attribute, "MASK”. MASK(I) , where I is the ordinal designation

of a particular resource type, is used in Subroutine CRES in

determining what resource types can serve a case. After "ANDing”

the appropriate rows of the Resource Capability Matrix (see Subroutine CRES in Section XI

? Part III), each MASK(I) is "ANDed” with

that product to determine if the Ith resource type can serve

the case. From the above explanation of the function of "MASK”,

the input of "MASK” can be understood. (See Figure IV-4) . For

example, MASK(l) should have all bits of the 36-bit UNIVAC 1108

word zeroed out except the one representing the first resource type

- thus the right justified octal number, 100000. TT~the number of

resource types was increased to 17, MASK(l) would be input as 200000,

MASK(2) would be input as 100000, etc.

48 1-4 The number "65”.

12

50-66

The letter "R”.

Left-justified integer giving to maximum

number of SIS (CASE) , number of resources operating in parallel on a long search

case; the maximum number is presently

10 .

- 63 -
FIGURE

IV-4

'MASK"

INPUT

FOR

SIXTEEN

RESOURCE

TYPES
INITIALIZATION CARD COLUMNS CONTENT

- 67-80 Comment field.

49 1-4 The number "66".

10 The number "2".

12 The letter "R".

15-18 Integer giving the maximum SIS (CASE).

19-22 The number "65".

40 The number "2".

41 The letter "R".

| 50-66 Left-justified format - 10(U1.3).

67-80 Comment field.

The ragged table to input the fractional split of the total

search miles on a case as a function of SIS (CASE) follows initialication card 49. The format 10(U1.3) indicates 10 fields per

card with 5 columns in each field. The U means unsigned numbers

must be input. The first data card inputs the percentage of

search miles assigned to the resource when SIS (CASE) = 1,

the second data card inputs the fractional split of the total

search miles when SIS (CASE) = 2, the third data card inputs

the fractional split when SIS (CASE) = 3, etc. Each of the

data cards must have an integer right- justified in columns 71

and 72 to indicate how many fields will be read from the card.

50 1-4 The number "67".

13 The letter "Z"

67-80 Comment field.

51 1-4 The number "68".

12 The letter "R".

50-66 Left- justified integer giving the

number of patrolling cutters.

67-80 Comment field.

52 1-4 The number "69".

10 The number "1".

12 The letter "R".

15-18 Integer giving the number of patrolling

cutters

.

19-22 The number "68".

65 -
INITIALIZATION CARD COLUMNS f CONTENT

34

! The number "4".

50-66 j Left-justified format - 18(14).

67-80 ' Comment field.

Data cards follow to input the ordinal designations of the

patrolling cutters under the format 18(14).

53 1-4 The number "70".

13 The letter "Z".

67-80 Comment field.

54 1-4 The number "71".

12 The letter "R".

50-66 Left- justified integer giving the

option for CL (See OPSIM Definitions

,

Section II, Part II).

67-80 Comment field.

55 1-4 The number "72".

12 The letter "R".

50-66 Left- justified integer giving the

option of COSTO (See OPSIM Definitions, Section II, Part II).

67-80 Comment field.

56 1-4 The number "73".

12 The letter "R".

50-66 Left- justified integer giving the district

67-80 Comment field.

57 1-4 The number "74".

12 The letter "R".

50-66 Left-justified floating point number

expressed in decimal days giving EPSLN,

a small time delay for causing the

Endogeneous Event NOTE for all but the

first long search resource. 67-80 Comment field.

58 1-4 The number "75".

5-8 The number "80".

- 66 -
INITIALIZATION CARD COLUMN CONTENT

13 The letter "Z".

67-80 Comment field.

59 1-4 The number "81".

12 The letter "R".

50-66

I

|

Left-justified floating point number

expressed in nautical miles giving

the distance offshore where the handoff for a two-part tow takes place.

67-80 Comment field.

60 1-4 The number "82".

12 The letter "R".

50-66 Left-justified integer giving the

increment to the priority of an interrupted case. 67-80 Comment field.

61 1-4 The number "83".

12 The letter "R".

50-66 Left-justified integer giving the

day of the week on which the simulation begins (Monday = 1 , Tuesday

= 2, etc.)

67-80 Comment field.

62 1-4 The number "84".

5-8 The number "85".

13 The letter "Z".

67-80 Comment field.

63 1-4 The number "86".

12 The letter "R".

50-66 Left-justified floating point number

giving the number of looks at priority

reevaluation.

67-80 Comment field.

64 1-4 The number "87",

5-8 The number "98".

- 67 -
INITIALIZATION CARD COLUMNS CONTENT

13 The letter "Z".

67-80 Comment field.

65 1-4 The number ”99”.

12 The letter "R".

50-66 Left- justified integer giving the

number of weekday shifts.

67-80 Comment field.

66 1-4 The number "100".

12 The letter "R".

50-66 Left-justified integer giving the

number of weekend shifts.

67-80 Comment field.

67 1-4 The number "101".

12 The letter "R".

50-66 Left- justified floating point number

giving the percentage of search miles

desirable to achieve by each resource

on the first day of a long

search.

67-80 Comment field.

68

1-4 The number "102".

12 The letter "R".

50-66 Left-justified floating point number

giving the percentage of search miles

desirable to achieve by each resource

on any but the first day of a long search

67-80 Comment field.

69 1-4 The number "103".

12 The letter "R".

50-66 Left-justified floating point number

giving the probability that the

priority will decrease when reevaluated.

67-80 Comment field.

70 1-4 The number "104".

12

! The letter "R".

/

- 68 -
INITIALIZATION CARD COLUMNS CONTENT

50-66 Left-justified floating point number

giving the probability that the priority

will increase when reevaluated.

67-80 Comment field.

71 1-4 The number "105".

13 The letter "Z".

67-80 Comment field.

72 1-4 The number "106".

12 The letter "R".

50-66 Left-justified integer giving the

option for the resource assignment

policy (See OPSIM Definitions, Section

II , Part II)

.

67-80 Comment field.

73 1-4 The number "107"

12 The letter"!!".

50-66 Left-justified floating point number

expressed in decimal days giving the

time for sunrise.

67-80 Comment field.

74 1-4 The number "108".

12 The letter "R".

50-66

!

V

Left-justified floating point number

expressed in decimal days giving the

time for sunset.

67-80 Comment field.

75 1-4 The number "109".

13 The letter "Z".

67-80 Comment field.

76 1-4 The number "110".

12 The letter "R".

50-66 Left-justified integer giving the priority

level to which a CASE is raised while

; a short search is being served.

i

I

\

69 -
INITIALIZATION CARD

’ COLUMNS

1 CONTENT

67-80

1

1 Comment field.

77 1-4 The number "111".

12 The letter "R".

50-66 Left- justified floating point number

expressed in decimal days giving the

hook-up time on a tow case. 67-80 Comment field.

78 1-4 The number "112".

5-8 The number "114".

13 The letter "Z".

67-80 Comment field.

79 1-4 The number "115".

12 The letter "R".

50-66 Left- justified floating point number

expressed in nautical miles per day

giving the tow speed of resources if

L(CASE) < 26 feet.

67-80 Comment field.

80 1-4 The number "116".

12 The letter "R".

50-66 Left- justified floating point number

expressed in nautical miles per day

giving the tow speed of resources

if L(CASE) > 26 feet.

67-80 Comment field.

81 1-4 The number "117".

13 The letter "Z".

67-80 Comment field.

82 1-4 The number "118".

12 The letter "R".

50-66 Left- justified floating point number

expressed in decimal days giving the

hours before sunrise when held over

long search cases are examined for resource assignment.

- 70 -
INITIALIZATION CARL COLUMNS CONTENT

67 -80 Comment field.

83 1-4 The number "119".

13 The letter "Z".

67-80 Comment field.

84 1-4 The number "120".

10 The number "1".

12 The letter "R".

15-18 Integer giving the number of resource types

.

19-22 The number "23".

34 The number "4".

50-66 Left-justified format - 16(14).

67-80 Comment field.

Data cards follow initialization card 84 to input indicators (0

if resource type is a boat; 1 if resource type is an airplane) for

each resource type under the format 16(14).

85 1-4 The number "121".

13 The letter "Z".

67-80 Comment field.

86 1-4 The number "122".

13 The letter "Z".

67-80 Comment field.

87 1-4 The number "123".

12 The letter "R".

50-66

i

i

j

Left-justified integer giving the maximum

number of OPFAC(CASE), the station of

the case input from the Exogenous Event

Tape

.

67-80

: Comment field.

88 1-4

] The number "124".

1 10 The number "1".

12 The letter "R".

- 71 -
INITIALIZATION CARD j COLUMNS CONTENT

15-18 Integer giving the maximum number of

OPFAC (CASE)

.

19-22 The number "123".

34 The number "4".

50-66 Left-justified format - 18(14).

67-80 Comment field.

Data cards follow to input the station conversion table under

the format 18(14)

.

89 1-4 The number "125".

12 The letter "R".

50-66 Left-justified integer giving the

logical unit number on which the case attributes will be written for Quick

Query.

67-80 Comment field.

90 1-4 The number "126".

12 The letter "R".

50-66 Left-justified integer giving the

minimum priority at which a queued

need or case is served by an idle

capable resource regardless of the resource ' s type

.

67-80 Comment field.

91 1-4 The number "127".

10 The number "1".

13 The letter "Z".

15-18 Integer giving the number of resources

19-22 The number "1".

34 The number "2".

67-80 Comment field.

92 1-4 The number "128".

! 10 The number "1"

12 The letter "R".

15-18 Integer giving the number of resource

72 -
INITIALIZATION CARD COLUMNS — ——

CONTENT

19-22 The number "23".

34 The number "4".

50-66 Left-justified format, 16(14).

67-80 Comment field.

Data cards follow to input indicators for each resource type

under the format 16(14). (0 for small vessels, 1 for cutters,

2 for C-130's and 3 for aircraft).

93 1-4

10

12

15-18

19-22

34

50-66

67-80

J The number "129".

! The number "1".

i The letter "R".

| Integer giving the number of resource types.

The number "23".

The number "2".

Left-justified format, 7(H3.6).

| Comment field.

Following initialization card 93 are the data cards to input a delay time for each resource type under the format, 7(H3.6).'

94

95

96

1-4

12

50-66

67-80

| 1-4

10

13

15-18

19-22

34

67-80

1-4

| The number "130".

; The letter "R".

j Left -justified floating point number

j giving the amount of time in decimal days

between check-in times when a 'covering' resource examines the queue.

Comment field.

The number "131".

The number "1".

The letter "Z".

I Integer giving the number of stations.

The number "34".

The number "2".

Comment field.

The number "132".

73 -
INITIALIZATION CARD | COLUMNS CONTENT

1

: 10 The number "1".

I 12 The letter "R".

15-18 Integer giving the number of stations

19-22 The number "34 ". 34 The number "4".

50-66 Left-justified format, 18(14).

67-80 i Comment field.

Data cards follow initialization card 96 to input the group

number of each station under the format, 18(14).

97

j 1-4 The number "133".

10 The number "1".

13 The letter "Z".

15-18 Integer giving the number of stations

19-22 The number "34".

34 The number "2".

67-80 Comment field.

98 1-4 i The number "134".

10 The number "1".

13 • The letter "Z"

.

15-18 Integer giving the number of stations

19-22 The number "34".

34 The number "2".

67-80 ; Comment field.

99 1-4 ’ The number "135".

. 13 The letter ”Z".

67-80 Comment field.

100 1-4 The number "136".

13 ; The letter "Z".

67-80 Comment field.

101 1-4 Tie number "137".

13 The letter "Z".

- 74 -
INITIALIZATION CARD COLUMNS CONTENT

67-80 Comment field.

102 1-4 The number ”138".

12 The letter ”R”.

50-66 Left- justified integer giving the

number of groups

.

67-GO Comment field.

103 1-4 The number ”139”.

5-8 The number ”151”.

10 The number ”1".

13 The letter ”Z”.

15-18 Integer giving the number of groups.

19-22 The number ”138”.

34 The number ”2”.

67-80 Comment field.

104 1-4 The number ”152”.

5-8 The number ”155”.

13 The letter ”Z”.

67-80 Comment field.

105 1-4 The number ”156”.

12 1 The letter ”R”.

i 50-66 Left-justified integer giving the number

of distributions output in REPORT

DSTRIB.

67-80 Comment field.

106 1-4 The number ”157”.

5-8 The number ”167”.

10 The number ”1”.

13 The letter ”Z”.

15-18 Integer giving the number of distributions

output in REPORT DSTRIB.

19-22 | The number ”156”.

34 The number ”2”.

67-80 : Comment field.

I 75 -
initialization card COLUMNS CONTENT

107 1-4 The number "168".

13 The letter "Z".

67-80 Comment field.

108 1-4 The number "169".

12 The letter "R".

50-66 Left- justified integer giving the

number of holidays to be read in. If

there are no holidays , input the number

"1" in this field.

67-80 Comment field.

109 1-4 The number "170".

10 The number "1".

12 The letter "R".

15-18 Integer giving the number of holidays.

If there are not holidays , read in the

number "1" here.

19-22 The number "169".

34 The number "4".

50-66 Left- justified format, 18(14).

67-80 Comment field.

Data cards follow initialization card 109 to read in holidays.

A value of -1 should be read in here if there are no holidays.

110 ! !- 4 The number ”171".

10 The number "1".

12 The letter "R".

15-18 Integer giving the number of stations.

19-22 The number "34".

34 The number "4".

50-66 Left-justified format, 18(14).

Following initialization card 110 are the data cards to input

PSTTN for each station under the format 18(14). PSTTN is a tag

to indicate if the station can or cannot be a primary station.

- 76 -
INITIALIZATION CARD COLUMNS CONTENT

111 1-4 The number "172".

10 The number "1".

13 The letter "Z".

15-18 Integer giving the number of stations.

19-22 The number "34".

34 The number "4".

67-80 Comment field.

112 1-4 The number "173".

12 The letter "R".

50-66 Left-justified integer giving the output

option for printing/not printing the

'case created' and 'case terminated'

information

.

67-80 Comment field.

113 1-4 The number "174".

1 10 The number "1".

13

i The letter "Z".

15-18 Integer giving the number of stations.

i 19-22 The number "34".

| 34 The number "2".

67-80 Comment field.

114 j 1-4 The number "175".

13 The letter "Z".

67-80

;!

i

Comment field.

- 77 -
IJ . Blank Card

A blank card must follow the initial conditions deck.

E. Exogenous Event Deck

The exogenous events may be read from cards or from magnetic

tape. For efficiency, OPSIM is reading exogenous events from

magnetic tape.

There are three types of exogenous events in the operational simulator:

(1) Exogenous Event START, (2) Exogenous Event OPSIM, and (3) Exogenous

Event ENDSIM. START occurs only once and must be the first event to

occur at TIME = 0.0. OPSIM occurs every time a case comes into the

system. ENDSIM, an event to end the simulation, occurs only once and

must be the last event on the tape. The contents and format of the exogenous

tape event tape follow.

i

- 78 -
TYPE OF EVENT —CARD COLUMNS CONTENT

START 1 3 The number "3" to indicate Exogenous Evenl

START.

(3) 7 A zero, "0", to give the day the event

occurred

.

i

10 A zero, ”0", to give the hour the event

occurred

.

OPSIM

(1)

[ 1

2

12

1

i 3

4-7

8-10

j 11-12

13-15

16-20

21-25

26-30

31-35

36-40

41-45

46-50 [ 51-55 ! 56-60 j 61-65

| 66-70 1

I- 5

6-10

II- 15

16-20

A zero, "0".

occurred.

to give the minute the event

The number "1” to indicate Exogenous Event

OPSIM.

Right-justified integer giving the day

the event occurred.

Right-justified integer giving the hour

the event occurred.

Right-justified integer giving the minute

the event occurred.

IDLOC(CASE), right-justified integer.

OPFAC(CASE) , right -justified integer.

NOCAS(CASE), right-justified integer.

POB(CASE), right-justified integer.

AIR(CASE) , right- justified integer.

WIND(CASE), right-justified integer.

SWELL(CASE), right- justified integer.

VIS(CASE), right-justified integer.

UTYPE(CASE), right-justified integer.

L(CASE), right-justified integer.

FPRI (CASE) , right- justified integer.

N, right- justified integer.

N = NNN (CASE) if MMM(CASE) = 0,

N = NNN (CASE) + 1 if MMM(CASE) > 0

NNN(CASE) , right-justified integer.

MMM(CASE) right- justified integer.

GAMMA (CASE) , right -justified integer.

SIS(CASE), right-justified integer.

- 79 -
TYPE OF EVENT CARD I COLUMNS

| 21-25 |

! 26-30 •

31-35 [

36-40 | 41-45

46-50 | 51-60

CONTENT

S2S(CASE) right- justified integer.

TSM(CASE) , right-justified integer.

OFSHR(CASE) , right- justified integer given

in tenths of miles.

XC(CASE), right-justified integer.

YC(CASE) , right- justified integer.

BOX (CASE) , right- justified integer.

VALUE (CASE) right- justified integer.

If a single resource case is being input, card 3 is read under

the format (12, D1.4).

3 1-2 NEED(CASE) , right- justified integer.

3-8 OST(CASE), a floating point number ex- pressed in decimal days input under

the format D1.4.

i If a multi -resource case is being input, card 3 is read under

the format 6(12, D1.4, D1.2).

»

S 3 1-2 i NEED(NCTIF) , right- justified integer.

3-8

| OST(NOTIF), a floating point number ex- pressed in decimal days.

9-12

j DELTA (NOTI F) , a floating point number.

Note that there are six sets of the above three fields on one input card. There is one set per need of a multi -resource

case so that NEED (NOTIF) , OST(NOTIF) , and DELTA (NOTIF) are read

repeatedly across the card for all NNN(CASE) needs. More than

one card may be required to read in all needs.

! ITOW(CASE), right-justified integer read

| in only for multi -resource cases with a tow

or escort need.

The number "2” to indicate Exogenous Event

ENDSIM.

Right- justified integer giving the last day

of the simulation.

| Right -justified integer giving the last hour

of the simulation.

j Right-justified integer giving the last minute

of the simulation.

12

ENDSIM 1 3

(2 ) j 4-7

' 8-10

! 11-12

- 80 -
F. Data to Subroutine JUMPER

The input data to Subroutine JUMPER immediately follows the

Exogenous Event Deck. If the Exogenous Event Deck is read from

magnetic tape, the data will follow the blank card.

Following is a description of the format and content of the

JUMPER data set:

- 81 -
FORTRAN

REPORT

GENERATOR -

INPUT

DECK

ORDER

AND

CARD

FORMAT - 82-
:

• 1

1 i

: j

;

1 1

;

: M :

i : I

1

|

:

j

; ;

i

.—.—1

:

1 ;

;

’ i”

'

i

i j _i

•

i

;

!

•

| |

i :

*

* 1 — 1 1!

j

: I

;

:

:

!

j 1 ‘

j

; j

;

1

!

'

|

!

i

, T | 1

i i

1

’ : |

: !

[ ; I i j

>

1 i I

;

Changes )

’

!

!

with

Crecc

1

Changes

or

Numbei

e

Dates

>ort -83-

n

Shift

1

n

Shift

2

n

Shift

3

n

Shift

1)

n

Shift

5

n

Shift

6

n

Shift

7

n

Shift

£

g

OPFACs

Crew

Levs

Tape ut

(N.A.

,se ow

Peak)

1

Inclusir

.

Reports

iecial

Rej

f

Crews

i

f

Crews

i

f

Crews

i

f

Crews

i

f

Crews

i

f

Crews

i

f

Crews

i

f

Crews

i

f

Existir

mber

and

f

Demgen

Tape

Inj

r

Data

Be

P

eak

or

IS

f

Cases f

Days

oi

f

Special

f

Each

Sj

Number

o

Number

o

Number

o

Number

o

Number

o

Number

o

Number

c

Number

o

Number

c

OPFAC

Nr

Number

c

Scenario

Dates

fc

Season

(

Number

c

Number

c

Number

c

Number

c

cococococococococmvo cm vo mo mo lcmmo coco

C\J CM CM CM LT\ r—

1

>1 0 **

** g.

-£• u. On fcd ^ > C\J <! H s

o

v-r* 0^ O'^ia m j-r o o cm

c*~) -3' rv(v ) c\j sJ-^ cvj ^ r w

S' 00 ^

°r> vd

i-i ON

C" y\ iH

>J« 0

fclC>

CO^O O

' On (m pi

fco

u.

COCOrH C\JC\)HHrHHHH(\JC\J Q PfiWHWWWWWW

CVl LTN CO r—1 t~— OJ OJ CM C\J O ^o^HHHOjaiojwMAHHHiAoirnm

( £ ( ( l 1 1 1 og ( l 1 1 I 1 ( 1 1 4 O VO ON OJ LTN i—IHHHHHHHHH i—1 i—1 i—1 i—1 OJ C\J

on ^ iavo r— co ovo hc\j rn

OJ OJOJCNJOJOJOJ oooomoo
FIGURE

IV

-

5

Samples

Output

from

Subroutine

JUMPER

SARSIM

-

DISTRICT

2

DATE

AU612oIR?0

O ift (*•> y o ifl

n o iji

eo tn

ir o in

w ifl o m

3 3 3

VJ u u

GO

lil ? N

rsj lO h*.

;r «*> -4) rvi >o uO >0

I • • •

u n «

B S B

CC S3 @ XXX w wifl

U. U. U. XXX in t/t in

— Cl m o

in in m

O Q Q

«x *»*

iT UJ II »- Cl <J 2 4 u y

U. — X

0 1 —

Q U K

Oc. CL DC o o o

U. It. U.

n t rsj (V fM — (VJ

(N — <n

(vj m — n

x. —

rvfc o

?N» X

U- L. L_ XXX in in in

Z X 15 15 13 O *- 2 2 2

ttr «— at <a «e U- «£ X 2 X o o U»

in

- f\i T

(VJ 5T — 3

* UJ O 61

U. U. U. XXX m m ir

? n a

•VJ N O

— <

(VJ >c >c O ifl o

3" :T 'O

tfi rn O

(vj «o — 'O WWW

it in in >->->-

oo Ci —• — o

fr, o o

in o

< in <—

UJ 2 a x

x o w

— m in uj ^ » N n T |- O (VJ

y y y •» n

15 15 15 J O

2 2 2 «a » UJ

in c

O 2

15 *f < «** —

U. UJ «a 13 15 I >

2 2 UJ CC

B —

O t—

<N) M (1 B n ii —> (vj

in X

UJ Ul

o ~ o d x i >- *-

X X

in ir

k k i- m is 15 m

f- in 6- u i > m it in < u> uj

DC GC W _J

UJ U U U H

< < < y

a k u. y i jl k ft y

o o o o

00 UJ u u L « L O U

«tc «SL £t «t «t QC k It. U. t- k k D : CL CL ft l- ft ft O I O C O O O ID

in cr B ft

>- _j >• in - 2 U

— CO — •«* _J <1 U. - ft y ft ® CD «a U O

«s u ft *- «L 3 *

in «s o o uj

ft u z in z

lu

n n ?

(VJ (M (VJ 15 — — — 2 O O UJ *-

««i <* «« m

cn u <3 in

CE Z ON

ZD ^ <t fU O 2 U. —

ITZ CL UJ «a O U

Ql I «s 5 U. o 5 y i

2 UJ 2 O

U. U. X I

in in

UJ 2 2 2

•c. c «* C

I — CL u i- O k

o ft i/) (L <1 cr • » o in <

(M <M 15 v- o y K — —- 2 r~, - L>

OX 3

— O' u_

in. >- k d

«; < O ft ooiniin d oi - Ld

u. u. y o n m «o

u o - u u

U. U0. fL o o

X CL i UJ O

CL IZ ft ft cr u. ui cl •-* oc ct a

cd cr t- cj o o c

x x in y cl 1 cl 3 3 o CL UJ UJ UJ 22 ft in a: o: Q:

ft 13 z < m, « w r y k <

ft y u < y

cl Q. c in o in
V. User's Guide

The computer code consisting of the Definition Deck, Events List,

Exogenous Events, Endogenous Events, and subroutines is stored on

the FASTRAMD drum for the UNIVAC 1108 at NBS under the file name CGSIM.

It is assumed that the case input or demand data is stored on magnetic

tape. (The large number of cases for most runs makes the use of keypunched

cards impractical.) The unit or input device on which the tape is to

be mounted is specified by letter on an ASG (assign) control card and

by number in column 42 of the first card of the Initialization Deck

referred to as the System Specifications Card, The letter and number

must be in agreement, with A corresponding to 7, B to 8, etc. If it

is desired to output attributes of the individual cases, the system

variable STAPE must be set equal to the number of the output device.

If this number corresponds to a tape drive, there must be an ASG

control card assigning the appropriate tape.

A sample run deck will now be described. The reader is referred

to Figure V-l. The following symbols will be used:

@ = keypunch both a seven and an eight in column one

A = blank

A complete description of the individual cards follows

:

Card 1:

D is the priority of the run . The number of tapes , execution time , and

the number of output pages determine the priority of a run.

RUN is simply the indication of a RUN card.

- 85 -
L

@AFIN

(

Input to JUMPER

Blank Card

Initialization Deck

/1 175 7 System Spec

£

/0AXQTAMAINXX

( @AXQTACUR

aainfacgsim

@waasgac=zzzz

@AASGAA=YYY

@DARUNANAMEFG , RUNID ,WW;XXX

FIGURE V-l

A Sample Run Deck

F

v

- 86 -
NAMEFG is the six character user name.

RUNID is a five digit charge number.

WW is the maximum time in minutes . Execution terminates abruptly

if WW is exceeded.

XXX is the maximum number of pages to be output. Execution

terminates if XXX is exceeded.

Card 2 :

ASG designates a tape assignment.

A specifies the letter of the tape drive.

YYYY is the reel number of the tape to be mounted. For Figure V-l

this corresponds to the case input data since the number 7 appears in

column 42 of the System Specifications Card.

Card 3 :

W indicates the tape will be written on.

C is the letter of the tape drive. The variable STAPE should be

set to 9 so that case output will be written on this tape.

ZZZZ is the reel number of the tape to be mounted. If it is

desired to obtain a new tape for this prupose, an S is placed next to

the W (on either side) and nothing is keypunched on the card after

the letter C.

Card 4 :

Keypunched exactly as shown. This calls in the Complex Utility Routines.

Card 5 :

Keypunched exactly as shown. This brings the program file CGSIM into

the user storage.

- 87 -
Card 6:

Keypunch exactly as shown. This begins execution of the program.

Card 7 :

This is the System Specifications Card described in part IV of the

Operational Simulator documentation. It receives individual attention

here only to show the correspondence between the 7 in column 42 and the

assignment of tape A on Card 2.

Initialization. Blank Card, and JUMPER Input: These were described

in part IV.

Last Card

Keypunch exactly as shown. This indicates that the run is finished.

It may at some time be desirable to change some portion of the

computer code. A complete detailed description of all the control cards

needed to accomplish such a change is quite lengthy and involves

detailed explanation of UNIVAC 1108 control cards and SIMSCRIPT

techniques. Instead, Figure V-2 will list the formatted cards required

to change both Subroutine SERVE and Endogenous Event ARVSN as an example.

The new version of the program will exist in the second file of the

tape reel YYYY mounted here on unit B.

Major points to note in Figure V-2 are as follows:

1. There is no choice regarding the tape unit used by SIMSCRIPT to

output the compiled version of the program, it must be unit B.

2. The Definition Deck must preceed the routines being recompiled.

3. A card with "$" in column 1 must follow the last routine being

recompiled.

- 88 -
Figure V-2

Run Deck to Revise SERVE and ARVSN

Card Column

Number 1

@DaRUNaNAMEFG , RUNID , WW , XXX

@WaASGaB=YYYY

@axqtacur

AAINFaSIMSCO

@NaXQTaSXM

Place the Definition Deck here.

Place the New Version of Subroutine SERVE here.

Place the New Version of Endogenous Event ARVSN here.

$

@axqtacur

aaers AAINFACGSIM

aadelaserve/code

aadelaxarvsn/code

aainab

@NaASMs *aSERVE , SERVE

@NAASM , * aXARVSN , XARVSN

0AXQTACUR

aadelaserve

aadelaxarvsn

aadeladefsxx

aapac

aaoutab

aatefab

aatriab

@afin

- 89 -
Figure V-3

Execution of the Revised Program

Card Column

Number 1

ODaRUNaNAMEFG , RUNI D ,WW , XXX

@AASGaA=XXXX

@AASGAB=YYYY

@AXQTACUR

A APE FAB

AAlNAB

oaxqtamainxx

Initialization Deck

Blank Card

Input to JUMPR

@AFIN

- 90 -
4. Endogenous Events are referred toon DEL (delete) Cards and

ASM (assemble) cards with an "X" preceding the name.

5. There are other ways by which to accomplish the change shown

in Figure V-2. This is a reasonable way, however, which should

serve the purpose for users who wish to avoid detailed involvement with

SIMSCRIPT and/or the UNIVAC 1108.

Having revised the code, it is then desired to execute the new

version of the program. Assuming the case input tape to be found on tape

reel XXXX and that STAPE = 0 so that no case output is desired,

Figure V-3 shows a typical follow-up run to the run shown in Figure

V-2.

The process of adding or deleting entries in the Definition Deck is

somewhat complicated. SIMSCRIPT compiles a translator provided subroutine

package for every definition on every card of the Definition Deck. Because

of the large number of definitions required by OPSIM, the standard

compilation and assembly procedures set up an overflow condition on the

UNIVAC 1108. The suggested "fix" for this overflow breaks the assembled

version into two parts which are now arbitrarily named A and B. Thus,

one run is required to compile, assemble, the list the assembled code

in order to see how to split the code, and a second run actually accomplishes

the split via two more assemblies. An example of the first run is shown

in Figure V-4.

The user must next examine the output from this first run. A computer

reproduction of a sample Definition Deck is shown in Figure V-5.

The assembly listing corresponding to this Definition Deck

- 91 -
FIGURE V-4

Run to Compile and List Assembly of Definition Deck

@ DA RUNANAMEFG , RUN ID ,WW , XXX

@WAASGAB=YYYY

0AXQTA CUR

A A INFA SIMSC6

0NAXQTASIM

Place the revised Definition Deck here.

$@A XQTA CUR

AAERS

AAINFASIMLIB

aainab

@ I AASM , * ADEFSXX , DE FSXX

@AFIN

- 92 -
COMPILED

BY

UNIVAC

1107/1108

S1MSCRIPT

l.S

rsi zo

</> ar

<to

rgo

O'cco

in3- m

rg

—• <M J1 Q O

CC — VJ I <t x o

O'CO ui

>o in

in < 3- o n

rg - a

•SMH

<5mou

:>4-> 3&§H

<D& - 93-
is shown in Figure V-6. The six-digit numbers at the left of the listing

are line numbers. The entities and attributes appear in the listing

with a single letter prefix. The line on which an entity or attribute

name appears and all lines up to the next entity or attribute constitute

a package which must not be split. The first four lines and the last

line (line 52) must appear in both sections A and B. A "good" place

to split this assembly is after line 27. Figure V-7 shows the run which

will result in A containing lines 1-27 and 52 B containing lines

1-4 and 28 - 52. The new version of OPSIM is then output in the

second file of reel number YYYY.

Before concluding this part, some mention should be made of

computer running time. Generally it takes approximately three to

five minutes to compile all of the OPSIM routines . The assembly process

requires approximately 10 minutes . To compile and assemble one or two

routines in a single computer run can take as long as two to three

minutes. As far as execution times are concerned, a set of about 900 real

cases occurring during the month of July 1968 in District 1 w^as simulated

in approximately 5 minutes when operating with 109 resources. When the

number of resources was reduced to 34, execution time decreased to 2 1/2

minutes. When the number of resources was increased to 218, execution

time increased to approximately 71/2 minutes.

- 94 -

t
01

ASM,.

qEFSXX

,DEFSXX

assembled

by

univac

noe

exec

ii

assembler

ooosa

CD a CD J • (O O • CD O ® — x - <. • <

X — O » — O - —

t - t N - t CM —

CM X

vjuj— oi/i — a -o x — o -o « - iii _J X — _J X — • — Z> — • — 3 — •

• X CD • X CD «»••>— CD • • • CD N “ ® CD • CD • • CD «* «* • a • a ui • a o i*> uj • 0003 *— o^®o — • o — • o cm 0 *100 O O <i <<C3 ®<<<(L"*(D • «< *1 O <«l — «S^ — <t <.

• l/l 3 x —

• Q K X ffl x cm o x — a: • • x id 3 — UJ « ~ - X Q t— CD •

cm m y 3 x 3 - 0

<i«i«ca_xQ_ — <t

X 3 21 3 Z T 1 2:2:3 3 — X 21X21 333 XXX 333 300 •3 O CM • J • ® -J «.•_» X < - • - • 333 - • • 333 X VJ 2 3 W 3 3l/133«C3l/133C3in33-> 33333331^3 3333LOtn lD"~>_J_JI_J_JlDiniD~>_l® LU

x w w o oo nooo — mdo— o— <oo— o oo oooooooooooooo

oo oooooooooooooo

oo oooooooooooooo

oo oooooooooooooo

— OOOCM — O CM — »M O CM o OO O — CMOCMOOOO — OOOOOOOOOOOOOOO OOOOOOOOOO OOOOOOOOOOOOOOO OOOOOOOOOO ooooooooa oooooo oooooooooo OOOOOOOOOOOOOOO oooooooooo aoooooooooooooooooooooooo

ooo oco — oooo — oaooo o— o — oo— ooo — o — ooooo— o — oaoao C CM iD l/l O Cl ro COOO«*1 CD OOOCDOO 00*3 0 00 D ^ oo — ooco— — ooo —

UI ui ooonooooromyociyro ooorooo omoooencooci oo ooo — oi/ioo — — — —— — — ooo — oo o — a a o — ooo — old o o a o

3* O 0003- 003- 3-fs' 003' 3'r^ 003-Ln 3- ID a 3- ID O 3' l/l O 3-'0 r^ 3'OOOO 3-'0 r^ 3-OOOO 3

‘ — — 0000 — 0 o — — — oo — — — oo — o — — a — — O— — O — — — OOO oo — — — OOOOO — *3 DO ^ ~

0 — 3- OO'O — WTO-O'O-TO'O'O- !_!>«•« — < W -V -V ~ 1 •-iCM'COTOOTOOT'O — *00— — -*3-0 — «CO — — — ^ 00 00 — 0 00 — — ooo — — 00 — <o — oa 00 — NN3-OONMTNTNNTNrNrUTTONNrNNJ-N-OTNNNONNNT. . - ^

cm cvOOCMr^ r^cMCMCMr^r-CMCMfMr^r^^ocMCMr^CMrMr^CMOr'CMCMrM — rv r*. cm cm cm — n n n n —

U 5 r 1 1 1—/ « ^ * t — —• —» j si

1 - . oooooo — 0 — 000 CO — O— OOOOO — 3-CM N N O N N IV 3 3-0

O — N n T l/l -O NO-NflTin-ONO-IMflri/l'ONO-NClTJl'fiNO-NnTin'CNO-IVCIT l/l -o OOOOOOOO — — — — — — — — fMCMCMCMCMCMCM<M<3fOl3«3mnrom3-3-3- 333331/1/11/11/11/11/1/ oooooooooooooooaooooooooooooooooooo oooooooooo oo ooooooo oooooooooooooooooooooooooooo oooooooooo oo ooooooooooooooooooooooooooooooooooooooooooooooo oooooooooooooooooooooooaooooooaoooooooooooooooo

3 3 — CMC33-inON 030‘0 — ooooo oooo — — ooo oa oooooo oooooooaooo ooooooooooo ooooooooooo3 3

(Mi*»3l/M)MDfrO-

— —— — — — — — <N CM oooooooooo

oooooooooo

3 3

Nn 3 i/l'OMIIO-QCMCMCMCMfMCMCMCMCim oooooooooo oooooooooo oooooooooo

3 3 3 3

N n 3 l/l >0 N ffl O- o — CM

«3 «*> mcn#nnro <3 3-3-3- 00000000000 00 oooooo ooo ooooooooooo OOOOOOOO ooo

3 3 3 3 3

3 ID -c c- CO O' O — cm TTT3333l/1lfll/1 oooooooooo oooooooooo oooooooooo ooooooo ooo
FIGURE V-7

Splitting the Assembly of the Definition Deck

0DARUNANAMEFG , RUNID,WW,XXX

@WAASGAB=YYYY

@AXQTACUR

AAINFACGSIM

AADELAA/CODE

aadelab/code

aainab

@iaasm,*adefsxx,a

-28,51

@IAASM,*aDEFSXX,B

-5,27

0AXQTACUR

AADELADEFSXX

AAPAC

aaoutab

AATEFAB

aatriab

0AFIN

- 96 -
VI. Interpretation of Output

In order to inteipret properly* the output produced by OPSIM, it

is necessary to understand the calculations of the various statistics.

A complete list of all statistical attributes discussed herein is

given in Figure VI -1. The explanation of the collection of these

statistics will be presented in like order; however, some preliminary

definitions are required first.

TIME: In the context to follow, this will refer to the total

time simulated for a given run.

NRES: The total number of resources in the district

being simulated.

NSTA

:

The total number of stations in the district

being simulated.

NWEWDS

:

The total number of weekend and weekday shifts

.

NRST: The total number of resource types

.

REST (I ,J)

:

The total number of resources of type J at station I

.

TOTME(K)

:

The total simulated time occurring during shift X.

This attribute of WEWDS is acoimulated in Endogenous

Event NUCRU and Exogenous Event ENDSXM.

TUTIL(L)

:

The total time during a particular shift fcr which

EIAT(L) f 0. nils attribute of RES is set to zero at

the start of every new shift. At the end of a shift

its value is accumulated into UTIL(L) and USHF(I,K)

for the appropriate values of I and X.

- 97 -
ENTITY

«

STATISTIC

•

ROUTINES

*h£RE

STATISTICS

ARE

COLLECTED

« « 2 Z

— O'

in in in m

in on

2 X

* U *» x in KJ CL»- o

i uj in m or

a; a < k x

in* in 2 3 3 2

UJ UJ

in in

< 3 <

i~ < a

in in in

m. m

< ;>

cr a

in «& 3 3 or ui z z < k

« £

X UJ —

u *• m

in in o

<t m2 «» in uj Z Z X UJ 3

on in oj :> x . > ;» in x ui ! oe e o: iu D ; <t < <i m 2 i

xx in u u • aft o> x in in x — • ° l I UJ

l/l ik u u u • o in in in 2 h I- fc K 1/1 uj o o a 4 in

sr «* 2 2 • • • — in •» “* 2 2 UJ in k- in in in in > Q<<<>>aG' zi-otiarKUJ^

ujtnminxt « in in

• x •

in — 3

£ « a m or a uj « 2 o uj UJ O ft- ft- 2 3

»- a in in uj z

UJ UJ UJ • x * «

in — 3 in

»- in i e-

<* o o «

ft- Z 3 ft- in uj z in

in in in in 3 0 0 0

2 Z 2 2 J uJ J al

S i X. X

in m i/' in O O O Q

Z Z Z Z

«n -n m o o o

Z X 2

Ui UJ UJ ° • X

in in in ~

-»-*- i/ <t <* <r o

K l- »- Z . in in in -a

or a

UJ UJ — -

in mi

«2

ft- >- in in

in uj — 3

O £ O <3

< |>- UJ nJ La in Z 3 3 >

uj —• g o m oo/ozzaoeft-

<s <x in 3 ft- in in <8 •— »— is ^ UJ UJ U »- 3 :» »- a cr z 3 < <s

— «n m in a

?- t-- 3 3 3 m o -

U. 3L < < «4 U UI '« UOU-UUZZZ

a u. or in

tL UJ X ft— 3

z in in u > 3 3 3 >• «x

x o — fsi n

in > in 3 3 3

3 x u u u. u.

Q.X<>->< 2 X

in r m -• «t ciuuuft- ooox> i in uj ^

ti» © «
2O

OO 3 3 2 z: n *n

n

at o o o o

Ui Z 2 2 2

»- LlJ UJ UJ uj 2222 - -2 »-2- * S 2 2 ^ _ _ _ 5: k - i/i i/i « i/i r « « - - >-

|/I l/l l/l ^ MI £r yi »-

H ITK 2—1 l/l 1/1

w 1/1 < Q 303 CTI <t Q < < Cl <t OT in 0000032 2. 222 (LKZt-KZt-iilCL 2 *t 2 2 0 «*»—

Ld UJ UJ UJ

O l/llill/llflull/IH-O

U UJ dJJ Ct l/l VI

Xo

<£I > - 0333»-k-k-3^>«H-0cn uj03»-~~02~*-2222UU 0^tT3*-»-<n32U.*«*-*<>-£KCt

H- < — > 33

— O—'OUJUJUJ2CDOD ino«t«CCDUO*-J2222222

<t CDOQ >- 2 Q:

U. U_ U. UJ 2D Qat at ct uj in h* 2

CD CD CD 2 0 0 3 2 2 2 1/1 2

UJ

in

>-in - 99-
Following is an explanation of the statistics collected in OPSIM:

CNRES(CASE) : The total number of resources assigned to serve

a case

.

COSTC(CASE)This is the total cost of the case. It is equal

to the sum of COST (IRS) for every resource IRS

assigned to serve the case.

DMERT (CASE) : This is the case demerit calculated in Subroutine

STATS. If (TWAIT-TOL) < 0, then DMERT =0.0. If

(TWAIT-TOL) > 0, then DMERT is calculated as

follows. If OFSHR > 20 and PRI < 2 or if

OFSHR > 20 and PRI >2, then DMERT = 2.0 *

(TWAIT - TOL). If OFSHR < 20 and PRI >2, then

DMERT = 3.0 * (TWAIT - TOL) . If OFSHR > 20

and PRI < 2, then DMERT = TWAIT - TOL.

NOINT(CASE)The total number of times that the resource (s)

serving a case are interrupted.

NQUE (CASE)

The total number of times that the case enters a

queue. This value is increased by one every time

that a need, tow, or search is filed in the queue.

REA (CASE) : The reason the case first enters a queue. The meanings

of the various values this can assume are given in

part II.

RESA(CASE)This is the first resource to arrive on the scene of

the case.

- 100 -
TINT (CASE)

;

TQUE(CASE)

:

TQUEl(CASE)

:

TSVC (CASE)

:

WAIT (CASE)

:

RESA(NOTIF)

:

RESA(NOTE)

:

NCASECRES) :

The total time that some need, tow, or search of the

case is in the queue because of an interrupt. Time

starts to accumulate in this attribute as soon as the

first need, tow, or search of the case is in interrupt

status in CQUE. It ceases to accumulate when the last

need, tow, or search in the queue because of an interrupt

is served.

Total time during which at least one need, tow, or

search of the case is in the queue.

Total time before the first resource arrives on the

scene of the case for which at least one need, tow or

search of the case is in the queue.

Total time the case is in the system. A case is considered "in the system" from the time it occurs until

the 'time at which the resource serving the last need,

tow, or search leaves the scene of the case having

completed its duty.

Total time between the occurrence of the case and the

time that the first resource arrives on scene.

The first resource to arrive on the scene of the case

for the purpose of serving a particular need or tow

NOTIF.

The first resource- to arrive on the scene of the case

for the purpose of serving a long search NOTE.

The total number of times a resource is assigned to service. It is increased every time a resource is assigned to

a need, even if it serves more than one need of the same ca,e

- 101 -
UTIL(L)

AUT(J)

AVGTW(STA) :

CFTT(STA) :

DMRT(STA) :

This attribute assumes two roles in the simulation.

While the simulation is in progress it contains

the total time for which EIAT(L) f 0. At the end

of the simulation in ENDSIM the value UTIL(L) is

divided by TIME. It then represents average utilization for resource L. Let tJTIL(L)l denote the value

before the division occurs.

This is the average utilization of resource type J.

It is calculated in ENDSIM as follows:

NSTA

AUT(J) = [ l UTIL(L) 'j/friME*^ REST(I,J)].

LeJ 1=1

The average thne in hours that cases have to wait.

The waiting time is attributed to the station of

the first resource to arrive on the scene of the

case.

The average Failure type C(TWAIT-TOL) at a station

expressed in decimal hours . This is calculated in

Subroutine ENDSIM.

CFTT (STA) = TWTOL (STA) 1 *2 4.0) /FAILS (STA)

.

During the simulation, DMRT(STA) is an accumulation

of the case demerits, DMERT(CASE), and is accounted to

the station of the first resource to arrive on the

scene of the case. In ENDSIM, to obtain the normalized

demerit at the station in decimal hours, DMRT(STA)

is replaced by (DMRT(STA) *24 . 0*R) /NCAS (STA) where R

- 102 -
is the sum of all positive (TWAIT-TOL) in the district

divided by the sum of all case demerits in the district.

FAILl(STA) , FAIL2 (STA) , FAXL3(STA)

;

NCAS(STA):

NEEDS (STA)

:

NINTR(STA)

:

NMBRQ(STA):

NSTBY (STA) :

TWTOL (STA)

:

The total number of Failure type A, type B, and

type C respectively at a given station. FAIL1 and

FAIL2 are attributed to the primary station of the

case. FAIL3 is accounted to the station of the

first resource to arrive on the scene of the case.

The number of cases for which a resource from this

station was the first resource to arrive on the scene

of the case.

The number of times resources from this station were

assigned to service*

The number of times resources from this station

were interrupted while serving one case to serve

another case.

The number of times a case, multi-resource need or

long search need was queued at this station. The

queue is attributed to the primary station of the

case

.

The number of times that a standby was called at

the station.

During the simulation, TWTOL (STA) is an accumulation

of all positive (TWAIT-TOL) and is accounted to

- 103 -
the station of the first resource to arrive on the

scene of the case. In ENDSIM, to obtain the average

positive (TWAIT-TOL) at the station in decimal hours,

TWTOL (STA) is replaced by TWTOL (STA) 1* 24.0) /NCAS (STA)

.

Let TWTOL (STA) 1 denote the value before the division

occurs

.

UNPRO(STA) : The number of times that a standby was called at the

station but not used.

USE(I): This is the average utilization at station I. It

is calculated in ENDSIM as follows:

NWWDS NRST

USE (I) = [ l USHFCljK) 1 ]/ [TIME* l REST (I ,J) ]

.

K=1 J=1

USHFI,K): This attribute assumes two roles in the simulation.

During the simulation it is an accumulation of TUTIL(L)

for "appropriate" values of L. That is, at the end of

every shift K, the value of TUTIL(L) is accumulated

into USHF(I,K) if resource L has STN(L) = I. At the

end of the simulation in ENDSIM, USHF (I,K) is replaced

by the following quotient:

NRST

USHF (I ,K)/ [TOTME(K)*£ REST(I,J)].

J=1

Thus USHF(I,K) becomes average utilization during shift

K at station I. Let USHF(I,K)^ refer to the value of

USHF Cl ,K) described above immediately before the division

is executed.

- 104 -
VCTRCSTA)

:

AVUS(K) :

AVDRT (GROUP)

:

CS (GROUP)

FL1 (GROUP)

,

FL2 (GROUP)

FL3 (GROUP)

:

VCTR(STA) is an accumulation of the tijne- to -vector

(TVEC) of the first resource to arrive on the scene

of the case and is accounted to the station of that

resource. At the end of the simulation in ENDSIM,

VCTR(STA) is replaced by VCTR(STA) *24.0/NCAS(STA)

for the average TVEC in decimal hours.

This is the average utilization during shift K.

It is calculated in ENDSIM as follows:

NSTA , AVUS (K) : = [ l USHF(I ,K)

1

] / [TOTME (K)*NRES]

.

1=1

AVDRT (GROUP) is an accumulation of case demerits,

DMERT(CASE), and is accounted to the group of the

station of the first resource to arrive on the

scene of the case. To obtain the normalized

demerit of the group in decimal hours, AVDRT (GROUP)

is replaced by (AVDRT (GROUP) *24 . 0*R) / CS (GROUP)

in ENDSIM. R is the sum of all positive (TWAIT-TOL)

in the district divided by the sum of all case demerits in the district.

The number of cases for which a resource from this

group was the first resource to arrive on the

scene of the case.

The total number of failure type A, type B and

type C respectively in a given group. FL1 and FL2

- 105 -
INTRP (GROUP) :

NDS (GROUP)

NONPR(GROUP)

NOSB (GROUP)

TMTAV(GROUP) :

TVAVG (GROUP):

are attributed to the group of the primary station

of a case. FL3 is attributed to the group of

the station of the first resource to arrive on the

scene of a case.

The number of times resources from this group were

interrupted.

The number of times resources from this group were

assigned to service.

The number of times that a standby was called at the

stations belonging to the group but not used.

The number of times that a standby was called at the

stations belonging to the group

.

During the simulation, IMTAV(GROUP) is an accumulation

of all positive (TWAIT-TOL) and is accounted to the

group of the station of the first resource to arrive

on the scene of the case. To obtain, the average

positive (TWAIT-TOL) of the group in decimal hours,

TMTAV(GROUP) is replaced by TMTAV (GROUP) *24 . 0/CS

(GROUP) in ENDSIM.

During the simulation, TVAVG (GROUP) is an accumulation

of TVEC of the first resource to arrive on the scene

of a case and is accounted to the group of the station

of that resource. In ENDSIM, to obtain the average

- 106 -
TWAVG (GROUP)

:

TVEC of the group in decimal hours, TVAVG (GROUP)

is replaced by TVAVG(GROUP) *24.0/CS(GROUP)

.

TWAVG (GROUP) is an accumulation of TWAIT (CASE) and

is attributed to the group of the station of the

first resource to arrive on the scene of the case.

To obtain the average TWAIT of the group in decimal

hours, TWAVG (GROUP) is replaced by TWAVG (GROUP) *24.0/

CS (GROUP) in ENDSIM.

USEAV(GROUP)

:

This is the average utilization of the group. It

is calculated in ENDSIM as follows:

NWEWDS , NRST

USEAV(GROUP) = [ l l USHF (I ,K)

1

] / [TIME* £ l REST(I,J)]

MEEN(I)

:

K=1 I e GROUP J=1 I e GROUP

The arithmetic mean of certain attributes output

in REPORT DSTRIB. During the simulation, MEEN(I) contains the sum of the values of the observations . In

ENDSIM, this sum is divided by the number of observations

to obtain the mean.

CNTR(I) : The number of observations made.

STDEV(I) : The standard deviation of certain attributes output

in REPORT DSTRIB. During the simulation, STDEV(I)

contains the sum of the squares of the observation values

.

In ENDSIM, STEEV(I) is replaced by:

[STDEV(I)/CNTR(I) ] - [MEEN(I)]

2

- 107 -
3 MEEN(I) is the arithmetic mean as explained

3 after the division in ENDSIM.

CAT 1(1) - CATG8 (I)

Eight separate categories in which to store the

distribution of observations for output in REPORT

DSTRIB.

AIRU: The average utilization of aircraft excluding C-130's.

AIRU

This is calculated in ENDSIM as follows:

NSTA

= [ l UTIL (I)

1

] /[TIME *1 l REST (J,K) ] IeL J=1 KeM

where L is the set of resources having SQTAG(TYPE(I))

=3 and M is the set of resource types having SQTAG(K)

=3.

AVUT0: This is average overall utilization. It is calculated

BUHL:

in ENDSIM as follows:

NWWDS NSTA

AVUTO = [ l l USHF(I,K) ]/[TIME*NRES] . K=1 1=1

The average utilization of small vessels. This is

calculated in ENDSIM as follows

NSTA

BUTIL = [ l UTIL(I)

1

] / [TIME l REST(J,K)]

IeL J=1 KeM

where L is the set of resources having SQTAG(TYPE(I) )=0

and M is the set of resource types having SQTAG(K) = 0.

CUTIL: The average utilization of cutters. In ENDSIM, this

is calculated as follows:

NSTA

CUTIL = [ l UTIL (I) ]/ [TIME / REST(J,K)]

IeL J=1 KeM

- 108 -
CX30U:

KOUNT

:

LIMIT:

MCFTT:

MEAND:

where L is the set of resources having SQTAGQYPE

(I)) = 1 and M is the set of resource types having

SQTAG(K) = l\

The average utilization of C-130's.

During the simulation KQUNT is the number of cases

currently residing in core storage. At the end of the

simulation KOUNT is set equal to the sum of the values

NCAS for all stations.

During the simulation, LIMIT is an estimate of the

maximum number of cases which can reside in core

storage simultaneously. In ENDSIM, LIMIT is set

equal to the sum of the values NMBRQ for all stations

.

The average Failure type C in the district expressed

in decimal hours. This is calculated in Subroutine

ENDSIM; it is the sum of all the positive values of

(TWAIT-TOL) in the district multiplied by 24 and divided

by NBRFC.

The normalized demerit in the district. It is an

accumulation of all the case demerits during the simulation. In ENDSIM, its is replaced with (MEAND* 2 4.0*R)/

NSTA

l NCAS (I) where R is the sum of all positive (TWAIT1=1

TOL) in the district divided by the sum of all case

demerits in the district.

- 109 -
MEANV: The average TVEC in the district of the first resource

to arrive on the scene of a case. It is an accumulation

of these times -to -vector during the simulation. In ENDSIM,

. v NSTA

it is replaced by MEANV *24.0/ J NCAS (I).

1=1

MEANW: The average time that a case must wait prior to the arrival

of the first, resource. This is the sum of the values of

TWAIT for all cases multiplied by 24 and divided by the sum

of the values NCAS for all stations.

MNTMT: The average positive (TWAIT-TOL) in the district. This is

the sum of all the positive values of (WAIT-TOL) multiplied

by 24 and divided by the sum of the values NCAS for all

stations

.

NBRCO : The number of cases that were actually completed.

WBRCS: The total number of cases that occurred.

NBRFA,

NBRFB,

NBRFC: Total number of Failures of type A, B, and C, respectively

in the district. These are the sums of FAILl(STA), FAIL2(STA)

and FAILS (STA) respectively taken over all stations.

SNEED: The total number of needs. This is the sum of NEEDS (STA) over

all stations. This may not equal the actual number of needs

that occurred since any need served by more than one resource

(as would be the case, for example, if an interrupt occurs)

is counted more than once.

- 110 -
TOSBY : The total number of tijnes a standby is called. This is

the sum of NSTBY(STA) over all stations.

TOTIN: The total number of interrupts. This is the sum of

NINTR(STA) over all stations.

TUNPR: The total number of standbys called and not used. This

is the sum of UNPRO(STA) over all stations.

The output produced by OPSIM is of two basic types, the "Report

Output" and the "Tape Output" containing the attributes of the individual

cases. The two types will be discussed separately below.

The Report Output consists of eight different divisions. A sample

of the Report Output received when OPSIM is run with PRTOT = 0 is given

in Figure VI-2. The first division is labeled "Input Conditions". This

is the output produced by the FORTRAN Subroutine JUMPER described in part

IV. It indicates cahnges from a base condition in the Initialization Deck

which were made for the current run.

The second division is labeled "District Statistics". The following

entities and attributes are output in this division: NBRCS, NBRCO, NBRFA,

NBRFB, NBRFC, TIME, AVUTO, AVUS for all shifts, AUT for all resource

types, BUHL, CUTIL, C130U, AIRU, TOSBY, and TUNPR. All these statistics

are labeled by the output with a brief but reasonable definition.

The third division is labeled "Station Response". There is a row of

print for every station in the district being simulated. The following

list will indicate the correspondence between column labels and

attribute names.

-Ill-
FIGURE

VI

-2

[Sample

Report

Output)

SARSIM

-

DISTRICT13

n

ATE

MAY

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1971

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STATION

RESPONSE 6

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ISABEL ATTRIBUTE

Number of Cases NCASCSTA)

Number of Needs NEEDS (STA)

Failure Type A FAILl(STA)

Failure Type B

‘yt Failure Type C

FAIL2 (STA)

FAIL3(STA)

Number of Q's NMBRQ (STA)

Total Interrupted Needs NINTR(STA)

Average TVEC (Hours) VCTR(STA)

Average WAIT (Hours) AVGW(STA)

Average CFAIL (WAIT-TOL) (Hours) CFTT(STA)

Average Pos. WAIT-TOL (Hours) TWTOL (STA)

Normalized Demerit (Hours) EMIT (STA)

Standbys Calls/Unpro. NSTBY(STA), UNPRO(STA)

Average Utilization USE (STA)

The last row printed in this division is labeled ’’TOTAL/AVG’’. Reading

from left to right the entries in this row are KOUNT, SNEED, NBRFA,

NBRFB, NBRFC, LIMIT, TOTIN, MEANV, MEANW, MCFTT, MNTMT, MEAND , TOSBY,

TUMPR, and AVUTO.

’’Group Response” labels the fourth division. The correspondence

between column labels and attribute names follows.

LABEL ATTRIBUTE

Number of cases

Number of needs

CS (GROUP)

Number of needs NDS (GROUP)

- 125-
Failure Type A FL1 (GROUP)

Failure Type B FL 2 (GROUP)

Failure Type C FL3 (GROUP)

Total Interrupted Needs INTRP (GROUP)

Average TVEC (Hours) WAVS(GROUP)

Average TWAIT (Hours) TVAVG (GROUP)

Average Pos. TWAIT -TOL (Hours) 1MTAV(GROUP)

Normalized Demerit AVDRT (GROUP)

Times Standby Called NOSB (GROUP)

Unporductive Standby Calls NONPR(GROUP)

Average Utilization USEAV(GROUP)

The fifth division is labeled "Resource Utilization (Percent)".

Here again the output is grouped by station. The columns labeled

"SHIFT1", "SHIFT2", etc. contain the attribute USHF(I,J) for the station

I and shift J. Every resource assigned to the station is listed in a

group according to resource type; the average utilization UTIL and the

number of needs served by the resource NCASE are printed.

The sixth division is labeled "Exceptional Cases". It prints the

major attributes of all cases which were not completely processed because

of some unusual circumstances. The value of ITOL (CASE) which is among

; / the attributes printed gives some indication of the reason that the

case was termed "exceptional" and was filed in the set EXCS.

The seventh division is broken into two sections. The mean, standard

deviation and distribution of both weekday and weekend utilization are

-126-
output in the first section. In the second section, the mean, standard

deviation and distribution of certain, critical attributes are

printed.

The eighth and final division prints the status of cases which

are in the queue and are not completed and resources which are still

busy when the simulation ends. The following attributes are labeled

and printed for cases remaining in the queue: NOCAS, OCCUR, STATN, NNN,

MNM, SIS, S2S, XC, YC, TINQ, SIGN! and FLG. If there are no remaining

cases in the queue, a message only is printed. For the cases being

served when the simulation ends the following attributes are labeled

and printed: NOCAS, OCCUR, STAIN, NNN, WM, SIS, S2S, XC, YC, and

TWAIT. The case attributes here refer to the case stored in ACASE

(IFLT(IRS)), that is the case to which the resource is assigned. It

should be noted here that TWAIT is zero until the first resource arrives

on the scene of the case. If no resources are busy at the end of the

simulation a message to this effect is printed.

The second basic type of output has been referred to as the 'Tape

Output". This output is produced only if the value of STAPE is non- zero.

If the value of STAPE corresponds to a tape unit, a tape must be requested

by the appropriate letter on an ASG control card as described in part V,

User's Guide. Every time that a case terminates via completion and STAPE

f 0, Subroutine TERM outputs the major attributes of the case. Four

records are written for each case. The contents of each record will be

given, followed by the SIMSCRIPT format as well as a FORTRAN format for

reading the records.

- 127-
Record 1 ; NBROO, OPFAC, NOCAS, IDLOC, OCCUR, BOX, FPRI, MNM, jm,

GAMMA., NEED, AIR, OFSHR, VIS, WIND, SWELL, L, FOB, SIS, S2S, TSM,

OST, DMERT.

SIMSCRIPT Format ; (315, 13, D3.4, 15,11, 212, D3.2, 12, 15, D4.2, 615,

12, D5.Q, 2D1.4).

FORTRAN Format : (315, 13, F8.4, 15, II, 212, F6.2, 12, 15, F7.2,

615, 12, F6,0, 2F6.4).

y. Record 2 : UIYPE, YAJJJE, XCX, Y&, XC, YC, STAIN, CNRES , RESA, PRI,

REA, COSTC , ITOL, NOINT, NQUE, TINT, TQUE, TQUE1, TSVC, TWAIT,

SIMSCRIPT Format : (15, 110, 4D5.2, 15, 12, 13, 211, D7.2, II,

212, 5D3.4).

FORTRAN Format : (15, 110, 4F8.2, 15, 12, 13, 211, F10.2, II, 212,

5F8.4)

.

Records 3 and 4 apply to NOTIF's and NOTE’S respectively. Four

attributes of NOTIF and one attribute of NOTE are always output for

five NOTIF’s and five NOTE'S, regardless of the actaul number of

NOTIF's and NOTE'S associated with the case. If there are less than

five of either, the meaningless portion of the record will contain

zero's. If there are more than five of either, only the "first" five

will be output. "First" refers to the order in which they were filed

in their respective sets NSET and SRHS. Hie actaul variables are

first stored in a buffer and then output.

Record 3 : NEED, OST, DELTA, RESA, NEED, OST, DELTA, RESA, etc.

SIMSCRIPT Format : (5(12, D1.4, D1.2, 13)).

FORTRAN Format: (5(12, F6.4, F4.2 13)).

-12b-
Record 4 : RESA, RESA, RESA, RESA, RESA.

SXNgCRIPT Format ; (513)

.

FORTRAN Format : (513)

.

It should be noted that the variable NBRCO output in record 1 simply

provides a sequence number for the cases being printed.

At the end of the simulation, if STATE / 0, the four records

described above are output for all cases filed in EXCS. They are

printed in the order in which they were filed in EXCS. It should be

noted that all information for NOTE or NOTIF was destroyed when the

case was filed in EXCS. Thus the third and fourth records for these

cases will always be zero filled. The sequence numbers for these

cases begins with the value NBRCO + 1, where NBRGO is the number of

cases completed at the end of the simulation.

There is one significant warning message which could occur

during the execution of a simulation. It is printed in Exogenous

Event OPSIM, as an attempted "Failsafe" device to prevent too many

cases; from entering the simulation system at one time, thereby

exceeding core storage and destroying all data of the run because of

an abnormal abort. The variable KOUNT is increased by one every

time a case is created and decreased by one when a case is destroyed.

Thus KOUNT is (during the simulation) the number of cases currently

being processed in the system. A variable LIMIT is calculated in

Exogenous Event START. It is an estimate of the maximum number of

Cases which can reside in core storage at one, time. It is an empirical

- 129-
relation based on the number of resources NRES, the number of stations

NSTA, the number of resource types NRST, the number of groups NGROUP and

the number of distributions, NDSTRB; it is given by: -

(10500. - 10. * NRES - 19. *NSTA - 6.* NRST - 6.* NGROUP - 5. *NDSTRB)/50.

For example, with 109 resources, 47 stations, 16 resource types, 8 groups

and 12 distributions, there can be approximately 165 cases in the system

at one time. It should be emphasized that this is only an estimate

which could be revised at any time.

If at any time the value of KOUNT exceeds the value of LIMIT,

the warning is printed. From then on, cases will be destroyed as soon

as they occur. Those cases already in the system at the time the

message is written will be processed until completion.

-130-

1