...Àlex Ferrer; Sebastián Miguel Giusti Purpose The purpose of this study is to solve the inverse homogenization problem, or so-called material design problem, using the topological derivative concept. Design/methodology/approach The optimal topology is obtained through a relaxed formulation...

...Daicong Da; Xiangyang Cui; Kai Long; Guanxin Huang; Guangyao Li Purpose In pure material design, the previous research has indicated that lots of optimization factors such as used algorithm and parameters have influence on the optimal solution. In other words, there are multiple local minima...