Concurrent Design and Evaluation Based on Structural Optimization using Structural and Function-oriented Elements at the Conceptual Design Phase. - Akihiro Takezawa; Shinji Nishiwaki; Kazuhiro Izui; Masataka Yoshimura; Hidekazu Nishigaki; Yasuaki Tsurumi (Concurr. Eng. Res. Appl., 2005)