1. University of South of China, School of Nuclear Science and Engineering, Hengyang 421001, PR China
2. University of South China, Hunan Engineering and Technology Research Center for Virtual Nuclear Reactor, Hengyang 421001, PR China
3. Shanghai Nuclear Engineering Research and Design Institute Co., Ltd, Shanghai 200000, PR China
4. Hunan Institute of Technology, School of Computer Science, Hengyang, Hunan 421000, China