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Received: 2007-08-01

Revision Accepted: 2007-10-16

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.1 P.32-37


Finite element model for linear-elastic mixed mode loading using adaptive mesh strategy

Author(s):  Miloud SOUIYAH, Abdulnaser ALSHOAIBI, A. MUCHTAR, A.K. ARIFFIN

Affiliation(s):  Department of Mechanical & Materials Engineering, Universiti Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia

Corresponding email(s):   miloud20@eng.ukm.my

Key Words:  Linear-elastic fracture mechanics, Adaptive refinement, Stress intensity factors (SIFs), Crack propagation

Miloud SOUIYAH, Abdulnaser ALSHOAIBI, A. MUCHTAR, A.K. ARIFFIN. Finite element model for linear-elastic mixed mode loading using adaptive mesh strategy[J]. Journal of Zhejiang University Science A, 2008, 9(1): 32-37.

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author="Miloud SOUIYAH, Abdulnaser ALSHOAIBI, A. MUCHTAR, A.K. ARIFFIN",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Finite element model for linear-elastic mixed mode loading using adaptive mesh strategy
%A Abdulnaser ALSHOAIBI
%J Journal of Zhejiang University SCIENCE A
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%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A072176

T1 - Finite element model for linear-elastic mixed mode loading using adaptive mesh strategy
A1 - Miloud SOUIYAH
A1 - Abdulnaser ALSHOAIBI
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 1
SP - 32
EP - 37
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A072176

An adaptive mesh finite element model has been developed to predict the crack propagation direction as well as to calculate the stress intensity factors (SIFs), under linear-elastic assumption for mixed mode loading application. The finite element mesh is generated using the advancing front method. In order to suit the requirements of the fracture analysis, the generation of the background mesh and the construction of singular elements have been added to the developed program. The adaptive remeshing process is carried out based on the posteriori stress error norm scheme to obtain an optimal mesh. Previous works of the authors have proposed techniques for adaptive mesh generation of 2D cracked models. Facilitated by the singular elements, the displacement extrapolation technique is employed to calculate the SIF. The fracture is modeled by the splitting node approach and the trajectory follows the successive linear extensions of each crack increment. The SIFs values for two different case studies were estimated and validated by direct comparisons with other researchers work.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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