The contour integral method for loaded cracks | Zendy

Pereira J. P. | Zendy; Duarte C. A. | Zendy

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The contour integral method for loaded cracks

Author(s) -

Pereira J. P.,

Duarte C. A.

Publication year - 2006

Publication title -

communications in numerical methods in engineering

Language(s) - English

Resource type - Journals

eISSN - 1099-0887

pISSN - 1069-8299

DOI - 10.1002/cnm.824

Subject(s) - finite element method , methods of contour integration , robustness (evolution) , mathematics , stress intensity factor , computation , elasticity (physics) , integral equation , mathematical analysis , numerical analysis , polynomial , rate of convergence , geometry , structural engineering , computer science , materials science , algorithm , engineering , composite material , computer network , biochemistry , chemistry , channel (broadcasting) , gene

An extension of the contour integral method (CIM) for the computation of stress intensity factors for loaded cracks is presented. Numerical solutions of the two‐dimensional linear elasticity equations are computed with the p ‐version of the generalized finite element method. Polynomial enrichment functions as well as enrichment with near crack tip asymptotic expansion are used. The robustness of the formulation with respect to the size of the extraction domain and the convergence of the computed stress intensity factors and energy release rate are analysed. Copyright © 2005 John Wiley & Sons, Ltd.

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