Matrix Method of Characteristics Based on Modular Ray Tracing（1）——Theory

Wu Wenbin; Li Qing; Wang Kan

doi:10.13832/j.jnpe.2014.03.0129

Volume 35 Issue 3

Feb. 2025

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Wu Wenbin, Li Qing, Wang Kan. Matrix Method of Characteristics Based on Modular Ray Tracing（1）——Theory[J]. Nuclear Power Engineering, 2014, 35(3): 129-133. doi: 10.13832/j.jnpe.2014.03.0129

Citation:

Wu Wenbin, Li Qing, Wang Kan. Matrix Method of Characteristics Based on Modular Ray Tracing（1）——Theory[J]. Nuclear Power Engineering, 2014, 35(3): 129-133. doi: 10.13832/j.jnpe.2014.03.0129

Wu Wenbin, Li Qing, Wang Kan. Matrix Method of Characteristics Based on Modular Ray Tracing（1）——Theory[J]. Nuclear Power Engineering, 2014, 35(3): 129-133. doi: 10.13832/j.jnpe.2014.03.0129

Citation:

Wu Wenbin, Li Qing, Wang Kan. Matrix Method of Characteristics Based on Modular Ray Tracing（1）——Theory[J]. Nuclear Power Engineering, 2014, 35(3): 129-133. doi: 10.13832/j.jnpe.2014.03.0129

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Matrix Method of Characteristics Based on Modular Ray Tracing（1）——Theory

doi: 10.13832/j.jnpe.2014.03.0129

1. Department of Engineering Physics, Tsinghua University, Beijing, 100084, China;
2. Science Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610041, China

Received Date: 2013-05-06
Rev Recd Date: 2014-03-31

Available Online: 2025-02-15

Abstract

Abstract

Matrix MOC based on modular ray tracing consuming less memory for geometrical information was studied. Method making use of the symmetry of problems based on modular ray tracing was proposed which reduces memory demands and improves efficiency furthermore. The numeric properties of the coefficient matrix were dug out by analysis of the construction process, due to which constructing computation and memory demand can be reduced significantly. In case of upscatter, multi-group GMRES based on Matrix MOC and its numeric properties was studied for accelerating the multi-group iterations.
- Matrix MOC,
- Modular ray tracing,
- Symmetry of reactor,
- Multi-group GMRES