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Development of a hybrid parallelism Monte Carlo transport middleware on mesh geometry by Xin Wang; Yi Yu; Xunzhao Li; Jingchao Feng; Baoyin Zhang; Congchong Yan; Yuanguang Fu; Jingjie Xu is a Engineering article available to read on EtoBox.

What is Development of a hybrid parallelism Monte Carlo transport middleware on mesh geometry about?

Mesh-based Monte Carlo particle transport is suitable for complex geometry modeling and for multi-physics coupling calculations. Performing large-scale mesh-based Monte Carlo simulations requires a quite large amount of computation and memory space. Therefore, parallel Monte Carlo computing is crucial. In this study, a hybrid parallelism Monte Carlo transport middleware on mesh geometry was developed. The middleware can provide the following algorithms and functions: 1. hybrid parallelism of domain decomposition and particle parallelism; 2. particle data structure, which manages particle information and automatically performs asynchronous communication between decomposed domains; 3. subset data structure, which provides an efficient management strategy for materials and tally data; 4. particle tracking method on structured/unstructured mesh and k-dimensional tree (KD-Tree) acceleration algorithm; 5. condensed application programming interface for the rapid development of Monte Carlo code based on the middleware. We transplanted the fixed source module of the J Monte Carlo transport code (JMCT) which was based on constructive solid geometry (CSG) to the middleware for verification.

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Author

Xin Wang; Yi Yu; Xunzhao Li; Jingchao Feng; Baoyin Zhang; Congchong Yan; Yuanguang Fu; Jingjie Xu

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)