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Nemati, Mehran, Shafiee, Mahmoud, Ebrahimi, Hamideh. (1401). A meshless technique based on the radial basis functions for solving systems of partial differential equations. سامانه مدیریت نشریات علمی, 10(2), 526-537. doi: 10.22034/cmde.2021.39707.1740
Mehran Nemati; Mahmoud Shafiee; Hamideh Ebrahimi. "A meshless technique based on the radial basis functions for solving systems of partial differential equations". سامانه مدیریت نشریات علمی, 10, 2, 1401, 526-537. doi: 10.22034/cmde.2021.39707.1740
Nemati, Mehran, Shafiee, Mahmoud, Ebrahimi, Hamideh. (1401). 'A meshless technique based on the radial basis functions for solving systems of partial differential equations', سامانه مدیریت نشریات علمی, 10(2), pp. 526-537. doi: 10.22034/cmde.2021.39707.1740
Nemati, Mehran, Shafiee, Mahmoud, Ebrahimi, Hamideh. A meshless technique based on the radial basis functions for solving systems of partial differential equations. سامانه مدیریت نشریات علمی, 1401; 10(2): 526-537. doi: 10.22034/cmde.2021.39707.1740

A meshless technique based on the radial basis functions for solving systems of partial differential equations

Computational Methods for Differential Equations
مقاله 18، دوره 10، شماره 2، تیر 2022، صفحه 526-537    اصل مقاله (299.63 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22034/cmde.2021.39707.1740
نویسندگان
Mehran Nemati؛ Mahmoud Shafiee* ؛ Hamideh Ebrahimi
Department of Mathematics, Rasht Branch, Islamic Azad University, Rasht, Iran.
چکیده
The radial basis functions (RBFs) methods were first developed by Kansa to approximate partial differential equations (PDEs). The RBFs method is being truly meshfree becomes quite appealing, owing to the presence of distance function, straight-forward implementation, and ease of programming in higher dimensions. Another considerable advantage is the presence of a tunable free shape parameter, contained in most of the RBFs that control the accuracy of the RBFs method. Here, the solution of the two-dimensional system of nonlinear partial differential equations is examined numerically by a Global Radial Basis Functions Collocation Method (GRBFCM). It can work on a set of random or uniform nodes with no need for element connectivity of input data. For the timedependent partial differential equations, a system of ordinary differential equations (ODEs) is derived from this scheme. Like some other numerical methods, a comparison between numerical results with analytical solutions is implemented confirming the efficiency, accuracy, and simple performance of the suggested method.
کلیدواژه‌ها
Global meshless method؛ Radial basis functions؛ Method of lines؛ Partial differential equations
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