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Implementation of Crack Problem of Functionally Graded Materials with ABAQUSTM

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Abstract:

An implementation method of the virtual crack closure technique (VCCT) for fracture problems of non-homogeneous materials such as functionally graded materials (FGMs) with commercial finite element software ABAQUSTM is introduced in this paper. In order to avoid the complex post proceeding to extract fracture parameters, the interface crack element based on the VCCT is developed. The heterogeneity of FGMs is characterized though user subroutine UMAT and the interface crack element is implemented by user subroutine UEL. Several examples are analyzed to demonstrate the accuracy of the present method.

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Periodical:

Advanced Materials Research (Volumes 284-286)

Pages:

297-300

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.284-286.297

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Online since:

July 2011

Authors:

Hong Liang Zhou

Keywords:

Functionally Graded Material (FGM), Interface Crack Element, Stress Intensity Factor (SIF), Virtual Crack Closure Technique (VCCT)

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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