Grédiac, Michel, Auslender, François and Pierron, Fabrice
Applying the virtual fields method to determine the through-thickness moduli of thick composites with a nonlinear shear response
Composites Part A Applied Science and Manufacturing, 32, (12), . (doi:10.1016/S1359-835X(01)00029-X).
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This paper presents a method allowing the simultaneous identification of parameters governing an orthotropic law with a nonlinear shear response. Such laws appear for instance through the thickness of thick laminated composites. The tested specimen is subjected to boundary conditions similar to those of a Iosipescu setup. The strain field in the central area is processed with the so-called virtual fields method, which is an application of the principle of virtual work with particular virtual fields. The method is simulated with data obtained from finite element calculations.
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