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Development of cosVMPT and Application of Creating 3D Neutronics Model for 360-Degree CFETR

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Abstract

In order to conduct nuclear analyses for Chinese Fusion Engineering Testing Reactor (CFETR) according to the latest design, it is necessary to establish a 3D neutronics model based on the engineering CAD model. The 360-degree CFETR engineering CAD model is an extremely complex and huge model, with a large number of spline surfaces, flow channels, and overlaps, which puts forward higher requirements for the modeling and the conversion code. In this paper, the detailed modeling and conversion process is introduced, and a detailed 3D neutronics model for 360-degree CFETR is created by cosVMPT (Visual Modeling Platform for Particle Transport). Furthermore, considering the update and maintenance of the CAD model in the future, a new function of “User-Defined-Void” is developed in cosVMPT. The converted geometry is validated by comparing results of volume calculations by MCNP and CAD system. The result shows that the generated three-dimensional neutronics model is in good agreement with the original CAD model. This study demonstrates the capability of cosVMPT to be applied to the nuclear device with large scale complex geometry.

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Acknowledgements

This work was supported by the financial support of National Key R&D Program of China [grant number 2017YFE0300501] and the Chinese National Natural Science Foundation [grant number 11775256].

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Authors and Affiliations

  1. Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, China

    Hua Du, Qiuran Wu, Peng Lu & Songlin Liu

  2. University of Science and Technology of China, Hefei, 230026, China

    Hua Du & Qiuran Wu

  3. National Energy Key Laboratory of Nuclear Power Software, State Power Investment Corporation Research Institute, Beijing, 102209, China

    Yiman Yan & Yixue Chen

  4. Hefei University of Technology, Hefei, 230009, China

    Yue-Tong Luo

  5. North China Electric Power University, Beijing, 102206, China

    Shi-Chang Liu

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  1. Hua Du
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Correspondence to Songlin Liu.

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Du, H., Wu, Q., Lu, P. et al. Development of cosVMPT and Application of Creating 3D Neutronics Model for 360-Degree CFETR. J Fusion Energ 40, 2 (2021). https://doi.org/10.1007/s10894-021-00299-0

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