Solving the forward-backward heat equation in two-dimension by Radial basis functions mesh free method

Volume 22 , Issue 2 , December 2020 , Pages 319-326

Authors

Siamak Banei 1 ; Kamal Shanazari 1 ; Yaqub Azari 2 ; Yones Esmaeelzade Aghdam 2

1 Department of Applied Mathematics, University of Kurdistan, Sanandaj, Iran

2 Faculty of Science, Shahid Rajaee Teacher Training University, Lavizan, Tehran, 16785-163

DOI logo 10.17656/jzs.10830

Keywords

Abstract

This study is specially designed to solve the forward-backward heat equation in two dimension to make use of thin plate splines and finite difference method. It should be noted that the problem had more than one part categorization. The results as a whole covered a large proportion solutions by a radial basis function method for spatial and finite difference scheme along with interface boundry usage . This method was presented based on updating interface boundry. In addition , the interpolation and the collcation methods have supported through using of thin plate splines and finite difference method to update interface boundary. Furthermore, it showed that the time dicretization scheme was unconditionally stable and convergent. . Finally, some numerical examples were assigned to graded methods to support their efficiency.

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  • Published at20 December 2020

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