Modelling of stiffness degradation due to cracking in laminates subjected to multi-axial loading-Reference-Cited by-同舟云学术

Modelling of stiffness degradation due to cracking in laminates subjected to multi-axial loading

Published:2016-07-13 Issue:2071 Volume:374 Page:20160017
ISSN:1364-503X
Container-title:Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
language:en
Short-container-title:Phil. Trans. R. Soc. A.

Author:

Kashtalyan M.¹^ORCID,Soutis C.²^ORCID

Affiliation:

1. Centre for Micro- and Nanomechanics (CEMINACS), School of Engineering, University of Aberdeen, Aberdeen, UK

2. Aerospace Research Institute, University of Manchester, Manchester, UK

Abstract

The paper presents an analytical approach to predicting the effect of intra- and interlaminar cracking on residual stiffness properties of the laminate, which can be used in the post-initial failure analysis, taking full account of damage mode interaction. The approach is based on a two-dimensional shear lag stress analysis and the equivalent constraint model of the laminate with multiple damaged plies. The application of the approach to predicting degraded stiffness properties of multidirectional laminates under multi-axial loading is demonstrated on cross-ply glass/epoxy and carbon/epoxy laminates with transverse and longitudinal matrix cracks and crack-induced transverse and longitudinal delaminations. This article is part of the themed issue ‘Multiscale modelling of the structural integrity of composite materials’.

Funder

Engineering and Physical Sciences Research Council

Publisher

The Royal Society

Subject

General Physics and Astronomy,General Engineering,General Mathematics

Link

https://royalsocietypublishing.org/doi/pdf/10.1098/rsta.2016.0017

Reference36 articles.

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4. Energy release rates for transverse cracking and delaminations induced by transverse cracks in laminated composites

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