Influence of Random Variation in Volume Fraction of Fiber on Stochastic Property of Equivalent Elastic Property of Unidirectional Fiber Reinforced Composite Material

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概要

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• This paper describes stochastic analysis on a homogenized elastic property of a unidirectional fiber reinforced composite material considering uncertainty in material and geometrical properties of component materials. The influence of the microscopic uncertainties on the stochastic characteristics of a homogenized elastic property is analyzed with the perturbation-based analysis using the equivalent inclusion method. Especially, influence of a volume fraction variation on the stochastic characteristics is discussed in this paper. Also, as an example of a design considering the influence of a volume fraction variation, a limit of the random variation of the volume fraction of fiber for controlling a random variation of a homogenized elastic property of a composite to be less than random variations of elastic properties of component materials is discussed.

• 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

関連論文

• F2-1 Optimum Design of Electrode Arrangements in a Piezo-Composite Disk for Control of Thermal Stress
• First Order Perturbation-based Stochastic Homogenization Analysis for Short Fiber Reinforced Composite Materials
• 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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