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ELASTOVISCOPLASTIC ANALYSIS OF FIBREREINFORCED COMPOSITES

ELASTOVISCOPLASTIC ANALYSIS OF FIBREREINFORCED COMPOSITES An analysis model has been developed for the elastoviscoplastic analysis of continuous fibrereinforced composite structures. Elastic deformation of fibre and elastoviscoplastic deformation of matrix are considered in the analysis model because the yield strength of matrix is, in general, substantially lower than that of fibre. A finite element formulation is derived for the proposed analysis model. If matrix is assumed homogeneous and isotropic, the von Mises yield criterion is used for viscoplastic yielding. As numerical examples, a parametric study has been performed for elastoviscoplastic analysis of unidirectional composite plates subjected to inplane loads. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Engineering Computations Emerald Publishing

ELASTOVISCOPLASTIC ANALYSIS OF FIBREREINFORCED COMPOSITES

Engineering Computations , Volume 8 (3): 12 – Mar 1, 1991

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0264-4401
DOI
10.1108/eb023839
Publisher site
See Article on Publisher Site

Abstract

An analysis model has been developed for the elastoviscoplastic analysis of continuous fibrereinforced composite structures. Elastic deformation of fibre and elastoviscoplastic deformation of matrix are considered in the analysis model because the yield strength of matrix is, in general, substantially lower than that of fibre. A finite element formulation is derived for the proposed analysis model. If matrix is assumed homogeneous and isotropic, the von Mises yield criterion is used for viscoplastic yielding. As numerical examples, a parametric study has been performed for elastoviscoplastic analysis of unidirectional composite plates subjected to inplane loads.

Journal

Engineering ComputationsEmerald Publishing

Published: Mar 1, 1991

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