Weijun Shen¹, Fuquan Song², Xiao Hu², Genmin Zhu² and Weiyao Zhu³, (1)Institute of Mechanics, Chinese Academy of Sciences, Beijing, China, (2)Zhejiang Ocean University, School of Petrochemical and Energetic Engineering, Zhoushan, China, (3)University of Science and Technology Beijing, School of Civil and Resource Engineering, Beijing, China