Stress intensity factor calculations for crack-inclusion interaction problems are presented. The problems considered include the benchmark problems first discussed by Helsing and Jonsson (2002, ASME J. Appl. Mech, 69, pp. 88–90), and subsequently by Wang, Mogilevskaya, and Crouch (2003, ASME J. Appl. Mech., 70, pp. 619–621). The numerical results are obtained using the symmetric-Galerkin boundary element method in conjunction with an improved quarter-point element for evaluating the stress intensity factors by means of the displacement correlation technique. The converged results confirm the accuracy of the previous simulations and demonstrate that accurate solutions for these interaction problems can be obtained with numerical methods that are applicable in three dimensions.
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November 2007
Technical Briefs
On Some Benchmark Results for the Interaction of a Crack With a Circular Inclusion
A.-V. Phan,
A.-V. Phan
Department of Mechanical Engineering,
University of South Alabama
, Mobile, AL 36688
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L. J. Gray,
L. J. Gray
Computer Science and Mathematics Division,
Oak Ridge National Laboratory
, Oak Ridge, TN 37831
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T. Kaplan
T. Kaplan
Computer Science and Mathematics Division,
Oak Ridge National Laboratory
, Oak Ridge, TN 37831
Search for other works by this author on:
A.-V. Phan
Department of Mechanical Engineering,
University of South Alabama
, Mobile, AL 36688
L. J. Gray
Computer Science and Mathematics Division,
Oak Ridge National Laboratory
, Oak Ridge, TN 37831
T. Kaplan
Computer Science and Mathematics Division,
Oak Ridge National Laboratory
, Oak Ridge, TN 37831J. Appl. Mech. Nov 2007, 74(6): 1282-1284 (3 pages)
Published Online: January 2, 2007
Article history
Received:
October 4, 2006
Revised:
January 2, 2007
Citation
Phan, A., Gray, L. J., and Kaplan, T. (January 2, 2007). "On Some Benchmark Results for the Interaction of a Crack With a Circular Inclusion." ASME. J. Appl. Mech. November 2007; 74(6): 1282–1284. https://doi.org/10.1115/1.2722773
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