PENELOPE / penEasy User Manual

PENELOPE is a Monte Carlo simulation package that describes the transport of photons, electrons and positrons in complex geometries and materials of arbitrary composition. The associated package PENNUC allows the random generation of the radiation cascade following the decay of a radioactive nuclide. PenEasy is a generalpurpose main program for PENELOPE and PENNUC that includes a set of source models, tallies and variance-reduction techniques that are invoked from a structured code. Users are required to input, through plain text files, the information needed to set up the simulation. The present document contains a detailed description of the operation of the penEasy code. Technical aspects of some of the algorithms are given in the appendices. Familiarity with the basic concepts of Monte Carlo simulation of radiation transport and with the operation of PENELOPE is assumed throughout the text. For information on these two topics the reader is referred to the PENELOPE manual. PENELOPE is freely distributed by the Nuclear Energy Agency Data Bank (https://www.oecdnea.org/databank) and, in North America, by the Radiation Safety Information Computational Center of the Oak Ridge National Laboratory (https://rsicc.ornl.gov). PenEasy is freely available from http://www.upc. edu/inte/downloads. We refer to the combined software as PENELOPE/penEasy. Manual version: 2019-10-05 PenEasy code version: 2019-09-21 Operates with: PENELOPE version: 2018 PENNUC version: 2018 Copyright and disclaimers penEasy copyright and disclaimer penEasy Copyright (c) 2003-2019 Universitat Politècnica de Catalunya Permission to use, copy, modify and re-distribute copies of this software, or parts of it, and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appears in all copies and that both that copyright notice and this permission notice appear in all supporting documentation. The Universitat Politècnica de Catalunya makes no representations about the suitability of this software for any purpose. It is provided “as is” without express or implied warranty. PENELOPE copyright and disclaimer PENELOPE/PENGEOM (version 2018) Copyright (c) 2001-2018 Universitat de Barcelona Permission to use, copy, modify, distribute and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appears in all copies and that both that copyright notice and this permission notice appear in all supporting documentation. The Universitat de Barcelona makes no representations about the suitability of this software for any purpose. It is provided “as is” without express or implied warranty. PENNUC copyright and disclaimer PENNUC (version 2018) Copyright 2016-2018 CIEMAT, Laboratoire National Henri Becquerel, and Universitat de Barcelona Permission to use, copy, modify, distribute and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appears in all copies and that both that copyright notice and this permission notice appear in all supporting documentation. The Ciemat and the Universitat de Barcelona make no representations about the suitability of this software for any purpose. It is provided “as is” without express or implied warranty. PENELOPE/penEasy — User manual 2