Department of Computer;
Tianjin University of Technology and Education;
Tianjin 300222;
P. R. China;
Department of Engineering Mechanics;
Dalian University of Technology;
Dalian 116023;
Liaoning Province;
P. R. China;
离散变量; 结构最优化; 最优设计规划; 动态应力约束; 动态置换约束;