1.Securing Safe Marine Transportation
Research on Evaluation Technology of Hull Structure

To realize the next-generation hull structure design utilizing digital data, NMRI is engaged in research anddevelopment to accurately grasp and estimate yield strength, quality, and condition of hulls based on NMRI
Direct Load and Structural Analysis (NMRI-DLSA) and the digital twin technology for hull structures using
sensing data.

Research on Fluid Dynamic Performance Evaluation for Safe Navigation of Ships

NMRI conducts tank tests at the Actual Sea Model Basin and theoretical calculations related to maneuveringand seakeeping performance for safe navigation. NMRI also develops theoretical or numerical tools for ship
performance evaluation.

Development of Risk Analysis Techniques Essential for Social Implementation ofNext-Generation Ship Technologies

NMRI conducts R & D on risk assessment methods for new cargo carriers, such as liquefied hydrogen, andon techniques for sophisticated control of marine traffic flows and evaluating their impact.

Research on Autonomous Ship Technologies

The shortage of seafarers has become a critical issue in the marine transportation industry, andmanpower-saving/unmanned ships acceptable to seafarers are needed. Since the objective demonstrationof safety is necessary for society to accept automatic/unmanned ships, NMRI is conducting research on theirsafety evaluation in parallel with technology development.

Distribution of Long-Term Maximum Stress Estimated by NMRI-DLSA(Research on Evaluation Technology of Hull Structure)

Hazardous Event Reproduction Test in Short Crested Irregular Waves(Research on Fluid Dynamic Performance Evaluation for Safe
Navigation of Ships)

2.Preserving the Marine Environment

Research on Improvement of Ship Performance in Actual Seas

Further countermeasures for reducing GHG emissions from international shipping based on accurate
evaluation in actual waters are required. NMRI is developing high-accurate simulation methods based onship performance integrated database and research to enable proposals for improving ship performance inactual seas.

Research on GHG Reduction Technologies and on Safety and Environmental Measures

NMRI is developing combustion and analysis technologies for alternative fuels (hydrogen, ammonia,biofuels, etc.) to reduce environmentally hazardous substances emitted from ships and to protect theenvironment. NMRI also conducts research on environmental assessment, energy conservation for coastaland ocean-going vessels, GHG reduction measures and practical technologies, and oil recovery systems.

Simulation

Tank Test
Ship Monitoring Data
Improvement of Ship Performance in Actual Seas through Data Linkage(Research on Improvement of Ship Performance in Actual Seas)

Research on GHG Reduction Technologies and on Safety andEnvironmental Measures

3.Ocean Development
Research on Equipment and Operational Technologies for Ocean Development

NMRI conducts research on the operation of Self-Elevating Platforms (SEPs) and Crew Transfer Vessels(CTVs) for offshore wind power generation facilities, offshore production, loading, and bunkering ofnext-generation fuels, marine operation technology such as offshore CO2 injection in CO2 Capture andSeparation (CCS).

Research on Safety Assessment and Optimization of Total Systems for Expansionof Ocean Renewable Energy

In addition to research and development of floating offshore wind power generation systems, NMRI also
conducts research on optimizing the control of moving parts to maximize the amount of power generation bywave as another marine renewable energy source.

NMRI C-AUV#4: Honored as the Ship of the Year 2018, Presented by JASNAOE(Research on Equipment and Operational Technologies for Ocean Development)

Tank Test for Wave Power Generation(Research on Safety Assessment and Optimization of Total
Systems for Expansion of Ocean Renewable Energy)

Developing Fundamental Technologies forMarine Transportation

4.

Research on Digital Transformation of Shipyards

NMRI conducts research on the digital transformation of shipbuilding to respond to complex productdevelopment of ships in future. NMRI is working on the development of a data integration platform forshipbuilding, the development of shipbuilding production simulation technology, digitalization of quality, andresearch on new materials utilization and new construction methods.

Research on Advanced Transportation Systems by Utilizing Big Data
NMRI conducts research on the state of transportation, including marine transportation, utilizing big data
analysis technology. NMRI also conducts research on understanding international logistics in detail andforecasting shipbuilding demands.
AIS Data
Ship Data
Port Data

Data Integration
Big Data Analysis

VariousCloudData

Market Data
Schedule
Data

Data Utilization

Requirement Definition,Data Estimation,Completion,Integration,and Modeling

Shipbuilding Production Simulation Technology(left-upper: Sub-Assembling Process; right-lower: Large Assembling Process)
Cooperation: Asakawa Shipbuilding Co., LTD(Research on Digital Transformation of Shipyard)

Maritime Big DataAnalysis Technology

Transportation
Simulator andApplication

Shipping andShipbuilding System
Model Development

Socio-economic
Impact Assessment
and Analysis

Image of Data Utilization(Research on Advanced Transportation Systems by Utilizing Big Data)Project Teams
Digital Transformation Project TeamWith the research goal of “Developing strategies andbusiness models to realize Digital Transformation (DX)of the maritime industry," this project team is working on
the social implementation of individual elemental
technologies such as shipbuilding DX, hull form design
DX, and operation digital twin.
Data Linkageand Integration

GHG Reduction Project Team
This project team conducts R & D to contribute tomeeting IMO GHG reduction targets for international
shipping and achieving carbon neutrality in coastal
shipping per the Paris Agreement. The focus areas
include hydrodynamics, alternative fuels, power sources,and simulation models to assess GHG reduction inmarine transportation.

Construction

MaritimeDX
DesignHull
Structure

Operation

Ship
Propulsion
Plant

Maritime DX Strategy

Modeling the Shipping and Shipbuilding Markets with System Dynamics

Offshore Wind Power Project Team

Autonomous Ship Project Team

This project team is migrating to R & D on total safetyassessment & optimization for future floating offshore
windfarms, based on our technologies for a single
offshore wind turbine.

This project team aims to develop autonomous ships withsystems that can navigate, ber th, and leave shore
properly under various navigational conditions, as well as
to establish and advance safety evaluation technologies
for autonomous ships.

Tank Test with Rigidity Similarity Model & FEM Model for Digital Twin

Navigation of Autonomous Ship

Next-Generation Unmanned Ocean Vehicle Project TeamIn light of the remarkable advancements in unmanned ocean vehicles, specifically autonomous underwater vehicles (AUVs),
this project team focuses on developing advanced systems and operational methods. This project team aims at propelling
unmanned ocean vehicles into the forefront as next-generation mobile platforms, enhancing ocean utilization and fostering
sustainable development.

NMRI C-AUV#4 (Honored as the Ship of the Year 2018, Presented by JASNAOE)(left: Overall View of NMRI C-AUV#4, right: NMRI C-AUV#4 Soaring through the Water).

Centers and Offices
Marine Accident Analysis Center
When serious maritime accidents occur, this center
rapidly analyzes accident information, and supports theMinistry of Land, Infrastructure, Transport and Tourism(MLIT) and the Japan Transport Safety Board (JTSB)
investigating the causes of the accidents by utilizing theex t e n s i ve ex p e r t i s e a n d t e c h n o l o g y o f N M R I ' sresearchers.

Center for International Cooperation
Regulations and standards for ensuring safety andenvironmental protection at the sea are determinedthrough deliberations at the International Maritime
Organization (IMO), the International Organization for
S t a n d a r d i z a t i o n ( I S O) , o r o t h e r b o d i e s . I n t h edevelopment of international regulations and standards,
NMRI is actively involved in providing research results
as technic al suppor t, sending exper ts to theinternational conferences and chairing the meetings,and organizing international symposia and workshops.

Reproduction of the Trajectories
at the Time of a Collision Using AIS Data
Deliberation on the IMO Floor
Source: IMO Flickr: 10th session of IMO’ s Sub-Committee on Pollution Prevention
and Response (PPR) (24-28 April 2023). CC(Creative Commons) BY 2.0

Safety Operation Office of Dynamic
Positioning System
The utilization of Dynamic Positioning (DP) vessels is
assumed to increase for developing renewable energy
sources and exploring marine resources. This office ismainly engaged in collecting/analyzing information onaccidents regarding DP systems and providing training inship operation and management using DP simulators.

Cloud Platform Operations Office
It is necessary to accelerate open innovation in themarine and offshore sector. NMRI operates and deploys
the "NMRI Cloud" platform to meet this need. NMRI Cloud
provides the industry with an exceedingly practical andexpandable solution by utilizing cloud computing
technology, experimental data collected from NMRI's
facilities, and NMRI's advanced simulation technology.

Overall View of DP Simulators

Approach Maneuvering to an Offshore Wind FarmGLOBUS-cloud(Global Wind and Wave Database)Research Facilities 1
400m Towing Tank

400 m (L) x 18 m (W) x 8 m (D)Towing carriage (Maximum speed 15 m/s), Wave generator,
Sub-carriage
ISO9001 certificated for “propulsive performance tests”

150m Towing Tank

150 m (L) x 7.5 m (W) x 0 to 3.5 m (D, variable)
Towing carriage (Maximum speed 6 m/s), Wave generator
ISO9001 certificated for “propulsive performance tests”

Ocean Engineering Basin

44.5 m (L) x 27.1 m (W) x 2.0 m (max. D)
Wave generator, X-Y towing carriage
Wind generator, Current generator

Actual Sea Model Basin

80 m (L) x 40 m (W) x 4.5 m (D)Segmented flap-type absorbing wave generators around theentire periphery: 382 units
X-Y-Ψ towing carriage, Wind generator

Large Cavitation Tunnel

18 m (L) x 10 m (H), Pressure range 5 to 200 kPa
No.1 working section: 0.75 m Φ x 2.25 m
No.2 working section: 2 m x 0.88 m x 8 m
ISO9001 certificated for “propulsive performance tests”

Pulsating Wind Tunnel with Water Tank

Wind tunnel: 15 m (L) x 3 m (W) x 2 m (H)Capable of generating variously fluctuating wind(Maximum steady wind speed 30 m/s)
Water tank: 15 m (L) x 3 m (W) x 1.5 m (D)Research Facilities 2
Deep Sea Basin

Maximum water depth: 35 m
Upper section: diameter 14 m x depth 5 m
Pit Section: diameter 6 m x depth 30 m
Wave generator, Current generator,
Underwater 3-D Measurement System

Research Facility for Life Evaluationof Structural Materials

Strong floor: 12 m (L) x 8 m (W)Reaction wall: 4 m (H) x 8 m (W)Static loading capacity: ±1,200 kN,
Dynamic loading capacity: ±1,000 kN,
Stroke: ±100 mm

Comprehensive Simulation System

Main system components: 360deg. Cylindrical screen with
6.5m radius, Lower view screen, Navigational equipment(Steering stand, Repeater compass, ECDIS, Radar (S-band,X-band ), Engine console, Communication console, etc.)

High Pressure Tank

Inner diameter 1.1 m x height 3.0 m
Maximum pressure: 60 MPa

Gas-fueled Engine Test Facility

Combustion system: Lean-burn/Pre-chamber spark ignition
Number of cylinders: 6Cylinder bore/stroke: 155 mm/180 mm
Rated power/speed: 400 kWe/1,800 rpm (60Hz)

Dynamic Positioning Simulator

IMO DP Class 2
6 ship types including drilling vessels, semi-subs, etc.

Organizations
NMRI

National Maritime Research Institute

NMRI is the only national public research institute in the maritime and oceanic fields. NMRI isconducting research for “Securing safe marine transportation,” “Preserving the marine environment,”“Ocean development,” and “Developing fundamental technologies for marine transportation.”

NMRIFluids Engineering & Hull Design Department
Fluids Engineering & Ship Performance Evaluation Department
Structural and Industrial System Engineering Department
Marine Environment & Engine System Department
Knowledge & Data System Department
Marine Risk Assessment Department
Ocean Engineering Department
Offshore Advanced Technology Department
Marine Accident Analysis Center
Center for International Cooperation
Digital Transformation Project TeamGHG Reduction Project Team
Autonomous Ship Project Team
Offshore Wind Power Project Team
Next-Generation Unmanned Ocean Vehicle Project Team
Safety Operation Office of Dynamic Positioning System
Cloud Platform Operations Office

Contact address
6-38-1, Shinkawa, Mitaka, Tokyo 181-0004, JAPANTEL +81-422-41-3013 / FAX +81-422-41-3026
E-mail: info2@m.mpat.go.jp(Public Relations, Planning Development)
HP: https://www.nmri.go.jp/en/