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摘要
A simplified model of 3D braided composites with transverse and longitudinal cracks is presented. By using the principle of minimum complementary energy, the stress components are obtained in closed-form expressions in terms of a perturbation function, which is governed by two fourth-order inhomogeneous ordinary differential equations. The effective Young';s modulus and Poisson ratio of 3D braided composites with transverse and longitudinal cracks are calculated using the homogenization theorem. To demonstrate the solution, some examples are analyzed. © 2004 Elsevier Ltd.
