1. Technical Management Department, Y. R. Wanjiazhai Water Multi-Purpose Dam Project Co., Ltd., Taiyuan 030000, China
2. College of Water Resources and Civil Engineering, China Agricultural University, Beijing 100083, China
3. Power Station Management Bureau, Y. R. Wanjiazhai Water Multi-Purpose Dam Project Co., Ltd., Taiyuan 030000, China
4. State Key Laboratory of Hydroscience and Engineering, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, China
5. College of Engineering, China Agricultural University, Beijing 100083, China