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Taylor meshless method for solving non-linear partial differential equations

Abstract : A true meshless integration-free method based on Taylor series named Taylor Meshless Method (TMM) has been proposed recently to solve Partial Differential Equations (PDEs), where the shape functions are high degree polynomials and the discretization concerns only the boundary. With high computational efficiency and exponential convergence, the TMM has been confirmed to be very robust in linear problems, including large-scale cases. In this paper, the TMM and the Automatic Differentiation (AD) are combined with the Newton method to solve non-linear elliptic PDEs, where the AD is used to compute shape functions in a fast manner. The numerical results illustrate that the proposed algorithm is very accurate and efficient in solving non-linear elliptic problems.
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https://hal.univ-lorraine.fr/hal-03251214
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Submitted on : Sunday, June 6, 2021 - 6:27:15 PM
Last modification on : Wednesday, November 3, 2021 - 8:57:00 AM

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Jie Yang, Heng Hu, Yao Koutsawa, Michel Potier-Ferry. Taylor meshless method for solving non-linear partial differential equations. Journal of Computational Physics, Elsevier, 2017, 348, pp.385-400. ⟨10.1016/j.jcp.2017.07.034⟩. ⟨hal-03251214⟩

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