skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Big Ten MCNP6 Unstructured Mesh Benchmark

Technical Report ·
DOI:https://doi.org/10.2172/1529515· OSTI ID:1529515
 [1];  [1]
  1. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

The purpose of this report is to document a benchmarking effort for the MCNP6 Unstructured Mesh (UM) geometry description method applied to a large and fairly complex critical assembly, Big Ten. A secondary goal of this effort is to provide a set of best practices for modeling a critical assembly with the MCNP UM method. Specification of geometry using UM requires creating a mesh from a solid geometry model and there are some important considerations when using this method for criticality problems. These considerations will be discussed along with suggested practices for correctly modeling these types of problems.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
DOE Contract Number:
89233218CNA000001
OSTI ID:
1529515
Report Number(s):
LA-UR-19-25731
Country of Publication:
United States
Language:
English