Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.enganabound.2003.02.001
Title: Solution of partial differential equations by a global radial basis function-based differential quadrature method
Authors: Shu, C. 
Ding, H.
Yeo, K.S. 
Keywords: Differential quadrature method
Partial differential equation
Radial basis function
Issue Date: Oct-2004
Citation: Shu, C., Ding, H., Yeo, K.S. (2004-10). Solution of partial differential equations by a global radial basis function-based differential quadrature method. Engineering Analysis with Boundary Elements 28 (10 SPEC. ISS.) : 1217-1226. ScholarBank@NUS Repository. https://doi.org/10.1016/j.enganabound.2003.02.001
Abstract: The conventional differential quadrature (DQ) method is limited in its application to regular regions by using functional values along a mesh line to approximate derivatives. In this work, we extend the idea of DQ method to a general case. In other words, any spatial derivative is approximated by a linear weighted sum of all the functional values in the whole physical domain. The weighting coefficients in the new approach are determined by the radial basis functions (RBFs). The proposed method combines the advantages of the conventional DQ method and the RBFs. Since the method directly approximates the derivative, it can be consistently well applied to linear and nonlinear problems. It also remains mesh free feature of RBFs. Numerical examples of linear and nonlinear cases showed that RBF-based DQ method has a potential to become an efficient approach for solving partial differential equations. © 2004 Elsevier Ltd. All rights reserved.
Source Title: Engineering Analysis with Boundary Elements
URI: http://scholarbank.nus.edu.sg/handle/10635/61337
ISSN: 09557997
DOI: 10.1016/j.enganabound.2003.02.001
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