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Title: Implementing NCNP's 21st century geometry capability: requirements, issues, and problems

Conference ·
OSTI ID:979666

A new geometry capability has been implemented in MCNP that permits the existence of an unstructured mesh with its legacy Constructive Solid Geometry (CSG) capability to form a hybrid geometry. This new feature enables the user to build complex 3-D models with Computer Aided Engineering (CAE) tools, such as Abaqus, and perform a neutronics analysis on the same geometry mesh that is used for thermo-mechanical analyses. This paper will present an overview of the issues and problems encountered in implementing the requirements for the hybrid geometry capability in MCNP.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-06NA25396
OSTI ID:
979666
Report Number(s):
LA-UR-09-07884; LA-UR-09-7884; TRN: US201011%%363
Resource Relation:
Conference: ANS RPSD 2010 ; April 18, 2010 ; Las Vegas, NV
Country of Publication:
United States
Language:
English