111 設計統合化・最適化支援プログラム iSIGHT を利用した詳細・簡易モデルによる 3 次元流体解析の最適化

抄録

Nowadays one of the largest bottlenecks against the optimization of expensively time-consuming analyses, such as CFD problems and crash analyses, should be the number of iterations to optimize. So far many researches have been performed to reduce the number of iterations to optimize with some techniques, such as RSM approximation method and Orthogonal Arrays DOE. On the other hand, this paper tries to show an application example of VCM approximation method for CFD problem not to reduce the number of iterations but to decrease the total elapsed time. The difference between the efficiency of VCM applied case and the one of not-applied case is obvious. This VCM approximation method can be one of the most effective techniques to optimize some large analyses.