2402 最適構造設計のための荷重条件推定法 : 画像情報に基づくアプローチ(GS1-2 一般セッションII,GS1 一般セッション)

概要

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The main topic of this study is an estimation of loading conditions of failed structures. We deal with failed crane-hooks as an example. We examine the relation between the applied load and deformation of hook by FEM analysis. In the FEM analysis, we implement an elasto-plastic deformation analysis. The relation is recorded in the Load-Deformation (LD) database. The feature points are detected on failed hook image in order to compare the image with the recorded deformation information in the Load-Deformation database. The analysis record corresponding to the failed hook image is then obtained by means of a difference-minimization approach. We estimate the loading condition for some samples by our approach. We show the effectiveness of this estimation approach.
2011-10-21