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Crack Growth Modelling in Functionally Graded Materials by Mesh-Free Method
School of Engineering and Materials Science, Queen Mary, University of London, London, UK, E1 4NS
Department of Aeronautics, Imperial College, London, UK, SW7 2BY
Structural Durability & Health Monitoring 2012, 8(3), 223-248. https://doi.org/10.32604/sdhm.2012.008.223
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A mesh-free method for modelling crack growth in functionally graded materials is presented. Based on the variational principle of the potential energy, mesh-free method has been implemented with enriched radial bases interpolation functions to evaluate mixed-mode stress intensity factors, which are introduced to capture the singularity of stress at the crack tip. Paris law and the maximum principle stress criterion are adopted for defining the growth rate and direction of the fatigue crack growth respectively. The accuracy of the proposed method is assessed by comparison to other available solutions.Keywords
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APA Style
Wen, P., Aliabadi, M. (2012). Crack growth modelling in functionally graded materials by mesh-free method. Structural Durability & Health Monitoring, 8(3), 223-248. https://doi.org/10.32604/sdhm.2012.008.223
Vancouver Style
Wen P, Aliabadi M. Crack growth modelling in functionally graded materials by mesh-free method. Structural Durability Health Monit . 2012;8(3):223-248 https://doi.org/10.32604/sdhm.2012.008.223
IEEE Style
P. Wen and M. Aliabadi, “Crack Growth Modelling in Functionally Graded Materials by Mesh-Free Method,” Structural Durability Health Monit. , vol. 8, no. 3, pp. 223-248, 2012. https://doi.org/10.32604/sdhm.2012.008.223
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Copyright © 2012 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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