期刊
JOURNAL OF FUNCTION SPACES
卷 2020, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2020/8898309
关键词
-
资金
- National Natural Science Foundation of China [11501170]
In this article, radial basis function collocation scheme is adopted for the numerical solution of fractional partial differential equations. This method is highly demanding because of its meshless nature and ease of implementation in high dimensions and complex geometries. Time derivative is approximated by Caputo derivative for the values of alpha is an element of(0, 1) and alpha is an element of(0, 2). Forward difference scheme is applied to approximate the 1st order derivative appearing in the definition of Caputo derivative for alpha is an element of(0, 1), whereas central difference scheme is used for the 2nd order derivative in the definition of Caputo derivative for alpha is an element of(0, 2). Numerical problems are given to judge the behaviour of the proposed method for both the cases of alpha. Error norms are used to asses the accuracy of the method. Both uniform and nonuniform nodes are considered. Numerical simulation is carried out for irregular domain as well. Results are also compared with the existing methods in the literature.
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