1. Ph.D. Student, State Key Laboratory of Structural Analysis for Industrial Equipment, Dept. of Engineering Mechanics, International Center for Computational Mechanics, Dalian Univ. of Technology, Dalian 116023, P.R. China.
2. Professor, State Key Laboratory of Structural Analysis for Industrial Equipment, Dept. of Engineering Mechanics, International Center for Computational Mechanics, Dalian Univ. of Technology, Dalian 116023, P.R. China (corresponding author).