630 テトラ二次要素を用いた三次元混合モードき裂進展解析(OS12-2 複合荷重下における疲労および疲労き裂進展挙動の最先端研究,OS12 複合荷重下における疲労および疲労き裂進展挙動の最先端研究)

概要

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A computational strategy to predict the propagation of a crack in a three-dimensional body is discussed. Proposed methodology is consisting of i) automatic mesh generation software, ii) finite element analysis module, iii) program to evaluate the mixed-mode stress intensity factors and iv) module to predict the direction and rate (amount) of crack propagation. In this approach, virtual crack closure-integral method (VCCM) for quadratic tetrahedral finite element to compute the stress intensity factors takes the central role. Finally, an illustrative example problem is presented.
一般社団法人日本機械学会の論文
2007-10-24