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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2006, Vol. 7 Issue (8 ): 7-    DOI: 10.1631/jzus.2006.A1336
    
Finite element simulation of stress intensity factors in elastic-plastic crack growth
ALSHOAIBI Abdulnaser M., ARIFFIN Ahmad Kamal
Computational Mechanics Research Group, Department of Mechanical and Materials Engineering, Faculty of Engineering, Universiiy Kebangsaan Malaysia, Bangi 43600, Malaysia
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Abstract  A finite element program developed elastic-plastic crack propagation simulation using Fortran language. At each propagation step, the adaptive mesh is automatically refined based on a posteriori h-type refinement using norm stress error estimator. A rosette of quarter-point elements is then constructed around the crack tip to facilitate the prediction of crack growth based on the maximum normal stress criterion and to calculate stress intensity factors under plane stress and plane strain conditions. Crack was modelled to propagate through the inter-element in the mesh. Some examples are presented to show the results of the implementation.

Key words： Crack propagation      Nodal displacement      Stress intensity factor      Adaptive mesh      Finite element method (FEM)     
Received: 16 March 2006     
CLC:  O346.1  
  TB303  
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ALSHOAIBI Abdulnaser M.
ARIFFIN Ahmad Kamal
Cite this article:

ALSHOAIBI Abdulnaser M., ARIFFIN Ahmad Kamal. Finite element simulation of stress intensity factors in elastic-plastic crack growth. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7(8 ): 7-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2006.A1336     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2006/V7/I8 /7

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