School of Civil Engineering and Transportation State Key Laboratory of Subtropical Building Science South China University of Technology Guangzhou 510641 ChinaState Key Laboratory of Structural Analysis for Industrial Equipment Dalian University of Technology Dalian 116024 China;
School of Civil Engineering and Transportation State Key Laboratory of Subtropical Building Science South China University of Technology Guangzhou 510641 China;
School of Civil Engineering and Transportation State Key Laboratory of Subtropical Building Science South China University of Technology Guangzhou 510641 China;
Department of Mechanical and Aerospace Engineering The Hong Kong University of Science and Technology Hong Kong China;
level set method; topology optimization; density-based method; level set band;