Stress concentration and the optimum design of a sandwich plate with a hole or notch. (2nd report)

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  • 孔や切欠きを持つサンドイッチ板の応力集中と最適設計　ＩＩ
  • アナ ヤ キリカキ オ モツ サンドイッチバン ノ オウリョク シュウチュウ

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Abstract

Nowadays, due to the development of the sandwich core series and the progression of the degree of exactness required for each thickness of sandwich plate, optimum design of the structural sandwich plate is needed. We can find several papers for optimum design of laminated plates. They deal with optimum density or optimum fiber direction of each ply, and optimum orthotropic layers under uniaxial and biaxial compression. But we can find no paper for the optimum design of a sandwich plate with a hole or notch witch produces stress concentration. Thus, this paper presents one optimum design method for a sandwich plate with a hole or notch, which searches least weight or least cost per bending strength.

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