Please use this identifier to cite or link to this item: https://doi.org/10.1007/s10443-012-9266-7
Title: A modeling approach across length scales for progressive failure analysis of woven composites
Authors: Mao, J.Z.
Sun, X.S. 
Ridha, M. 
Tan, V.B.C. 
Tay, T.E. 
Keywords: Continuum damage mechanics
Multiscale modeling
Progressive failure analysis
Woven composites
Issue Date: Jun-2013
Source: Mao, J.Z.,Sun, X.S.,Ridha, M.,Tan, V.B.C.,Tay, T.E. (2013-06). A modeling approach across length scales for progressive failure analysis of woven composites. Applied Composite Materials 20 (3) : 213-231. ScholarBank@NUS Repository. https://doi.org/10.1007/s10443-012-9266-7
Abstract: This paper presents a multiscale modeling approach for the progressive failure analysis of carbon-fiber-reinforced woven composite materials. Hierarchical models of woven composites at three different length scales (micro, meso, and macro) were developed according to their unique geometrical and material characteristics. A novel strategy of two-way information transfer is developed for the multiscale analysis of woven composites. In this strategy, the macroscopic effective material properties are obtained from property homogenizations at micro and meso scales and the stresses at three length scales are computed with stress amplification method from macroscale to microscale. By means of the two-way information transfer, the micro, meso and macro structural characterizations of composites are carried out so that the micromechanisms of damage and their interactions are successfully investigated in a single macro model. In addition, both the nucleation and growth of damages are tracked during the progressive failure analysis. A continuum damage mechanics (CDM) method is used for post-failure modeling. The material stiffness, tensile strength and damage patterns of an open-hole woven composite laminate are predicted with the proposed multiscale method. The predictions are in good agreement with the experimental results. © 2012 Springer Science+Business Media B.V.
Source Title: Applied Composite Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/54415
ISSN: 0929189X
DOI: 10.1007/s10443-012-9266-7
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