GLOBAL-LOCAL CONSTITUTIVE MODELING OF COMPOSITE MATERIALS BY THE HOMOGENIZATION METHOD
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概要
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This paper discussis modeling issues in the constitutive relation of a composite material in conjunction with the asymptotic homogenization method. Since the constitutive relations for basic materials of the composite material is given in the microscopic level, the identification of micromechanics and the geometric modeling of the microstructure directly affects the overall mechanical behavior of the structural components. Therefore the modeling in the microscopic level is essential in the analysis of composite materials especially for nonlinear cases. Several numerical examples show that the overall mechnaical behavior depends on the constitutive defined in the microscopic level as well as the geometry of the microstructure. The FEM-based asymptotic homogenization method and Digital Image-Based(DIB)modeling are utilized to simulate such a global-local nature of the mechanical responses.
- 社団法人日本材料学会の論文
- 1996-06-15
著者
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Kikuchi Noboru
Department Of Mechanical Engineering And Applied Mechanics The University Of Michigan
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TERADA Kenjiro
Department of Naval Architecture and Ocean Engineering The University of Tokyo
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Terada Kenjiro
Department Of Civil Engineering Tohoku University
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