On Perturbation-Based Stochastic Homogenization Analysis for a Homogenized Equivalent Elastic Constant of FRP Using the Equivalent Inclusion Method

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概要

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• This paper discusses a perturbation-based stochastic homogenization analysis procedure for a fiber reinforced composite material. For the purpose of estimating a stochastic characteristic of a homogenized equivalent elastic constant of composites for a microscopic random variation of a material property or geometry of a microstructure, the first order perturbation technique is applied to the equivalent inclusion method. The homogenized equivalent elastic constants can be computed from a homogenized compliance in case of an orthotropic material, therefore, the perturbation term of the homogenized compliance for a microscopic random variation is also computed. From numerical results, validity and effectiveness of the proposed method are illustrated.

• 一般社団法人 日本機械学会の論文

著者

• Sakata Sei-ichiro

  Shimane University

• ASHIDA Fumihiro

  Shimane University

• KOJIMA Tomoyuki

  Graduate School of Shimane University

関連論文

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• Influence of Random Variation in Volume Fraction of Fiber on Stochastic Property of Equivalent Elastic Property of Unidirectional Fiber Reinforced Composite Material
• On Perturbation-Based Stochastic Homogenization Analysis for a Homogenized Equivalent Elastic Constant of FRP Using the Equivalent Inclusion Method

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