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A Direct Meshless Method for Solving Two-Dimensional Second-Order Hyperbolic Telegraph Equations

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  • Fuzhang Wang
  • Enran Hou
  • Imtiaz Ahmad

Abstract

In this paper, a direct meshless method (DMM), which is based on the radial basis function, is developed to the numerical solution of the two-dimensional second-order hyperbolic telegraph equations. Since these hyperbolic telegraph equations are time dependent, we present two schemes for the basis functions from radial and nonradial aspects. The first scheme is fulfilled by considering time variable as normal space variable to construct an “isotropic†space-time radial basis function. The other scheme considered a realistic relationship between space variable and time variable which is not radial. The time-dependent variable is treated regularly during the whole solution process and the hyperbolic telegraph equations can be solved in a direct way. Numerical experiments performed with the proposed numerical scheme for several two-dimensional second-order hyperbolic telegraph equations are presented with some discussions, which show that the DMM solutions are converging very fast in comparison with the various existing numerical methods.

Suggested Citation

  • Fuzhang Wang & Enran Hou & Imtiaz Ahmad, 2020. "A Direct Meshless Method for Solving Two-Dimensional Second-Order Hyperbolic Telegraph Equations," Journal of Mathematics, Hindawi, vol. 2020, pages 1-9, November.
    • Handle: RePEc:hin:jjmath:8832197
    DOI: 10.1155/2020/8832197
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    Cited by:

    1. Lin, Ji & Zhang, Yuhui & Reutskiy, Sergiy & Feng, Wenjie, 2021. "A novel meshless space-time backward substitution method and its application to nonhomogeneous advection-diffusion problems," Applied Mathematics and Computation, Elsevier, vol. 398(C).

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