Generalized Stress Intensity Factor of Angular Corner of a Square Array of Square and Rectangular Inclusions.

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Other Title
  • 正方配列をなす正方形ならびに，長方形介在物の角部の一般化応力拡大係数
  • セイカタ ハイレツ オ ナス セイホウケイ ナラビニ チョウホウケイ カイザイブツ ノ カドブ ノ イッパンカ オウリョク カクダイ ケイスウ
Published
2001
Resource Type
journal article
DOI
  • 10.1299/kikaia.67.1624
Publisher
The Japan Society of Mechanical Engineers

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Description

This paper deals with numerical solutions of singular integral equations in interaction problems of a square array of rectangular inclusions under longitudinal tension. The body force method is used to formulate the problems as a system of singular integral equations with Cauchy-type or logarithmic-type singularities, where the unknown functions are the densities of body forces distributed in infinite plates having the same elastic constants as those of the matrix and inclusions. In order to analyze the problems accurately, the unknown functions are expressed as piecewise smooth functions using two types of fundamental densities and power series, where the fundamental densities are chosen to represent the symmetric stress singularity of 1/γ1-λ1 and the skew-symmetric stress singularity of 1/γ1-λ2. Then, newly defined stress intensity factors at the end of inclusions are systematically calculated for various shapes and spacings of a square array of rectangular inclusions in a plate subjected to longitudinal tension

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