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Progressive failure analysis for the interaction of interlaminar and intralaminar failure modes in composite structures with an initial delamination

Published online by Cambridge University Press:  27 January 2016

W. Ji  and
A. M. Waas
W. Ji
Affiliation:
Department of Aerospace Engineering, Composite Structures Laboratory, University of Michigan, Ann Arbor, Michigan, USA
A. M. Waas*
Affiliation:
University of Michigan, Ann Arbor, Michigan, USA Imperial College, London, UK
*
dcw@umich.edu
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Abstract

This paper is concerned with the development of a failure initiation and progressive failure analysis (PFA) method for advanced composite structures. The present PFA model is capable of predicting interactive out-of-plane and in-plane failure modes observed in fiber reinforced composite laminates including interlaminar behavior and matrix microdamage at the mesoscale. A probability analysis tool is coupled with the PFA to account for uncertainty in modelling parameters caused by material variability and manufacturing inconsistencies. The progressive damage response of a laminated composite panel with an initial delamination is studied and used to demonstrate the PFA modelling framework that is presented here.

Type
Research Article
Information
The Aeronautical Journal , Volume 117 , Issue 1187 , January 2013 , pp. 71 - 85
Copyright
Copyright © Royal Aeronautical Society 2013 

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