動弾性逆問題への境界要素法の応用 : 補助情報が誤差を含む場合の考察

概要

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The inverse problem under consideration deals with the identification of unknown defects in structural components by using the elastodynamic boundary element method and the optimization technique. In the inverse problem, identification results are greatly influenced by the errors included in additional information. This study is concerned with a numerical experiment to investigate the influence of measurement errors in the given additional information on the identification results. Numerical simulation is carried out for two-dimensional example problems when the displacement responses given as additional information include probabilistic errors with the normal distribution. In addition, a practical method is proposed for improvement of accuracy in identification.
社団法人日本機械学会の論文
1991-09-25