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Determination of Stress Intensity Factors for Interfacial Cracks Using the Virtual Crack Extension Approach

W.M.G.. So1, K.J. Lau1, S.W. Ng1

1 Dept. of ME, HKPolyU, Hong Kong, China

Computer Modeling in Engineering & Sciences 2004, 5(3), 189-200. https://doi.org/10.3970/cmes.2004.005.189

Abstract

A new finite element analysis procedure is implemented for the determination of complex stress intensity factors in interfacial cracks. Only nodal displacements and strain energies of the near-crack-tip elements are involved in this procedure so that element stiffness matrices need not be made available. The method is first tested using a closed form solution for infinite media to obtain a suitable finite element mesh. It is then applied to finite plates and four-point bending specimens containing interfacial cracks. In cases where reference values are available for comparison, good agreement of results can be obtained with relatively coarse element meshes.

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APA Style
So, W., Lau, K., Ng, S. (2004). Determination of stress intensity factors for interfacial cracks using the virtual crack extension approach. Computer Modeling in Engineering & Sciences, 5(3), 189-200. https://doi.org/10.3970/cmes.2004.005.189
Vancouver Style
So W, Lau K, Ng S. Determination of stress intensity factors for interfacial cracks using the virtual crack extension approach. Comput Model Eng Sci. 2004;5(3):189-200 https://doi.org/10.3970/cmes.2004.005.189
IEEE Style
W. So, K. Lau, and S. Ng, “Determination of Stress Intensity Factors for Interfacial Cracks Using the Virtual Crack Extension Approach,” Comput. Model. Eng. Sci., vol. 5, no. 3, pp. 189-200, 2004. https://doi.org/10.3970/cmes.2004.005.189



cc Copyright © 2004 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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