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Abstract

Orthotropic composite material is the particular type of anisotropic materials and their products have been extensively used in a wide range of engineering applications. Study on mechanical behaviors of such materials under working conditions is very essential. In this study, an extended meshfree moving Kriging interpolation method (namely as X- MK) is presented for crack analyzing in 2D orthotropic materials models. The Gaussian function is used for constructing the moving Kriging shape functions. Typical advantages of the MK shape function are the high-order continuity and the satisfaction of the Kronecker’s delta property. To calculate the stress intensity factors (SIFs), interaction integral method is used with orthotropic auxiliary fields. Several numerical tests including static SIFs calculating and crack propagation predicting are performed to verify the accuracy of the present approach. The obtained results are compared with available refered results and they have shown a very good performance of the present method.



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Article Details

Issue: Vol 20 No K8 (2017)
Page No.: 20-27
Published: Apr 13, 2019
Section: Engineering and Technology - Research article
DOI: https://doi.org/10.32508/stdj.v20iK8.1666

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Creative Commons License

Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 How to Cite
Thanh Nha, N., Ngoc Minh, N., Quoc Tinh, B., & Tich Thien, T. (2019). Extended meshless moving Kriging method for crack propagation analyzing in orthotropic media. Science and Technology Development Journal, 20(K8), 20-27. https://doi.org/https://doi.org/10.32508/stdj.v20iK8.1666

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