Dr. Siqiang Wang is an assistant researcher and postdoctoral fellow in the Department of Engineering Mechanics at Dalian University of Technology, China. He received his Ph.D. degree from Dalian University of Technology in 2022, majoring in computational mechanics, under the supervision of Prof. Shunying Ji. He has published more than 20 academic papers on discrete element methods for arbitrarily shaped granular materials, high-performance parallel algorithms, and physical and mechanical properties of granular materials, etc. Dr. Shunying Ji is a professor at the State Key Laboratory of Structural Analysis, Optimization, and CAE Software for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, China. He received his Ph.D. degree from Dalian University of Technology in 2001, majoring in engineering mechanics. His research interests include computational mechanics of granular materials and engineering applications. He has published3 academic books, more than 200 academic papers in journals, more than 10 national invention patents and 30 computer software copyrights, and 7 academic awards at provincial and ministerial levels.