CAD-based interface programs for fusion neutron transport simulation

Abstract Describing and verifying of the models for three-dimensional (3D) neutron transport simulation based on Monte Carlo (MC), discrete ordinates (SN) and MC–SN coupled methods are time-consuming and error-prone. The conversion algorithm and corresponding CAD-based interface programs have been developed to achieve the bi-directional conversion between commercial CAD systems and the neutron transport simulation codes including MCAM program for MC simulation, SNAM program for SN simulation and RCAM program for MC–SN coupled simulation. This paper introduces the main functions of the three interface programs and a benchmark test based on the ITER model.

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