OS0111 長さの異なる二個の平行き裂を有する圧電厚板の非定常電気熱弾性応答(弾性数理解析とその応用,オーガナイズドセッション)

概要

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In this study, the theoretical analysis of a transient piezothermoelastic problem is developed for a piezoelectric strip with two parallel cracks of different lengths under thermal shock loading conditions. The crack faces are supposed to be insulated thermally and electrically. By using both the Laplace transform and the Fourier transform, the thermal and electromechanical problems are reduced to two systems of singular integral equations, respectively, which are solved numerically. A numerical method is employed to obtain the time dependent solutions by way of a Laplace inversion technique. The intensity factors versus time for various geometric parameters are calculated.
一般社団法人日本機械学会の論文
2009-07-24