Micromechanics of braided composites via multivariable FEM

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Journal Article
Computers and Structures, 2003, 81 (20), pp. 2021 - 2027
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A new method for micromechanical properties of three-dimensionally braided composite materials via homogenization theory and incompatible multivariable FEM is proposed in this paper. An incompatible displacement element and a hybrid stress element are developed to model the effective mechanical properties of three-dimensional textile composites. Some illustrative applications are presented for a typical class of four-step braided composites. Results of the hybrid stress element approach compare more favorably with the experimental data than other numerical methods widely used. © 2003 Elsevier Ltd. All rights reserved.
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