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A Numerical Meshfree Technique for the Solution of the MEW Equation

Sirajul Haq1, Siraj-ul-Islam2, Arshed Ali3

1 Faculty of Engineering Sciences, GIK Institute of Engineering Sciences & Technology Topi (NWFP), Pakistan. Email: siraj_jcs@yahoo.co.in
2 Corresponding author. NWFP University of Engineering and Technology Peshawar, Phone # (92-91)921796-98 Ext: , Fax # (92-91) 9216663. University of Engineering & Technology Peshawar (NWFP), Pakistan. Email: siraj-ul-islam@nwfpuet.edu.pk
3 Faculty of Engineering Sciences, GIK Institute of Engineering Sciences & Technology Topi (NWFP), Pakistan. Email: arshad_math@hotmail.com

Computer Modeling in Engineering & Sciences 2008, 38(1), 1-24. https://doi.org/10.3970/cmes.2008.038.001

Abstract

In this paper we propose a meshfree technique for the numerical solution of the modified equal width wave (MEW) equation. Combination of collocation method using the radial basis functions (RBFs) with first order accurate forward difference approximation is employed for obtaining meshfree solution of the problem. Different types of RBFs are used for this purpose. Performance of the proposed method is successfully tested in terms of various error norms. In the case of non-availability of exact solution, performance of the new method is compared with the results obtained from the existing methods. Propagation of a solitary wave, interaction of two solitary waves, a train of solitary waves, conservative properties in terms of mass, momentum and energy are investigated. The elementary stability analysis of the method is discussed both theoretically and numerically.

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Cite This Article

Haq, S., , S., Ali, A. (2008). A Numerical Meshfree Technique for the Solution of the MEW Equation. CMES-Computer Modeling in Engineering & Sciences, 38(1), 1–24.



cc 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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