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논문 기본 정보

자료유형
학술저널
저자정보
Xu Zhihui (Harbin Engineering University) Li Mengkun (Shenzhen Polytechnic) Zou Bowen (Hangzhou Institute of Technology Xidian University) Yang Ming (Harbin Engineering University)
저널정보
한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제55권 제6호
발행연도
2023.6
수록면
1,966 - 1,973 (8page)
DOI
10.1016/j.net.2023.03.018

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Virtual reality technology has been widely used in the field of nuclear and radiation safety, dose rate computing in virtual environment is essential for optimizing radiation protection and planning the work in radioactive-controlled area. Because the CPU-based gamma dose rate computing takes up a large amount of time and computing power for voxelization of volumetric radioactive source, it is inefficient and limited in its applied scope. This study is to develop an efficient gamma dose rate computing code and apply into fast virtual simulation. To improve the computing efficiency of the point kernel algorithm in the reference (Li et al., 2020), we design a GPU-based computing framework for taking full advantage of computing power of virtual engine, propose a novel voxelization algorithm of volumetric radioactive source. According to the framework, we develop the GPPK(GPU-based point kernel gamma dose rate computing) code using GPU programming, to realize the fast dose rate computing in virtual world. The test results show that the GPPK code is play and plug for different scenarios of virtual simulation, has a better performance than CPU-based gamma dose rate computing code, especially on the voxeli zation of three-dimensional (3D) model. The accuracy of dose rates from the proposed method is in the acceptable range

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