Failure analysis of composite materials and multi material interfaces

Zohar Yosibash, Barna A. Szabo

Research output: Contribution to conferencePaperpeer-review

Abstract

Composite materials and multi-material interface problem usually have one or more singular points. In the neighborhood of these points the solution of two-dimensional linear elastostatic problems is characterized by a series of eigenpairs and their coefficients, called the generalized stress intensity factors (GSIFs). Accurate and reliable computation of the eigenpairs and the GSIFs is important because failure theories directly or indirectly involve these quantities. New efficient and accurate methods for numerical computation of the eigenpairs and the GSIFs, based on the p-version of the finite element method, are presented and demonstrated. Examples, representing two different kinds of singular points demonstrate that the method works well and produces results of high accuracy. Importantly, the method is applicable to anisotropic materials, multi-material interfaces, and cases where the singularities are characterized by complex eigenpairs.

Original languageEnglish
Pages133-139
Number of pages7
StatePublished - 1 Dec 1995
EventProceedings of the 1995 ASME Design Engineering Technical Conference - Boston, MA, USA
Duration: 17 Sep 199520 Sep 1995

Conference

ConferenceProceedings of the 1995 ASME Design Engineering Technical Conference
CityBoston, MA, USA
Period17/09/9520/09/95

ASJC Scopus subject areas

  • Engineering (all)

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