GEOUNED: A new conversion tool from CAD to Monte Carlo geometry

The GEOUNED code is specifically designed to convert CAD models, defined using the B-rep approach, into MC radiation transport models, defined using the CSG approach, and vice versa from MC to CAD. This code incorporates standard features commonly found in conversion tools, including decomposition,...

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Detalles Bibliográficos
Autores: Catalán Pérez, Juan Pablo, Sauvan, Patrick, García, J., Alguacil Orejudo, Javier, Ogando Serrano, Francisco M., Sanz Pérez, Javier
Tipo de recurso: artículo
Fecha de publicación:2024
País:España
Institución:Universidad Nacional de Educación a Distancia
Repositorio:e-spacio. Repositorio Institucional de la UNED
Idioma:inglés
OAI Identifier:oai:e-spacio.uned.es:20.500.14468/31283
Acceso en línea:https://hdl.handle.net/20.500.14468/31283
Access Level:acceso abierto
Palabra clave:2207.15 Energía Nuclear
Conversion
CAD
CSG
Monte Carlo
Particle transport
ODS 7 - Energía asequible y no contaminante
Descripción
Sumario:The GEOUNED code is specifically designed to convert CAD models, defined using the B-rep approach, into MC radiation transport models, defined using the CSG approach, and vice versa from MC to CAD. This code incorporates standard features commonly found in conversion tools, including decomposition, conversion, and automatic void generation. Additionally, it introduces innovative features, mainly in the automatic void generation part, which are described in this article. GEOUNED has demonstrated successful application in highly detailed 3D models used in fusion neutronics, which are known for their complex geometries, particularly those utilized in ITER. The article includes examples showcasing GEOUNED’s performance in these challenging models, as well as custom applications that highlight its flexibility in addressing non-standard problems. The code is open-source and utilizes Open CASCADE as the geometry engine, with FreeCAD serving as the Python API.