Computational Methodology for Modeling Fracture in Fiber-Reinforced Polymer Composites
Publication: Journal of Aerospace Engineering
Volume 22, Issue 3
Abstract
A framework is presented for analyzing the inelastic behavior and fracture of polymer matrix composites. Physics-based viscoplastic constitutive equations are used and supplemented with a matrix cracking model and an energy-based debonding model. The capabilities of the framework are illustrated by finite-element solutions of boundary-value problems under plane strain conditions using the unit-cell concept. In the application, focus is centered on the effect of manufacturing induced voids on local modes of fracture under both tension and compression.
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Acknowledgments
The writers acknowledge partial support from NASA Glenn Research Center under Cooperative Agreement No. NASANNX07AV39A and a grant from the Supercomputing Center at Texas A&M University.
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Information
Published In
Journal of Aerospace Engineering
Volume 22 • Issue 3 • July 2009
Pages: 296 - 303
Copyright
© 2009 ASCE.
History
Received: Oct 30, 2008
Accepted: Jan 22, 2009
Published online: Jun 15, 2009
Published in print: Jul 2009
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