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Adaptive High‐Order Finite Difference Analysis of 2D Quenching‐Type Convection‐Reaction‐Diffusion Equation

Author

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  • Xiaoliang Zhu
  • Yongbin Ge

Abstract

Quenching characteristics based on the two‐dimensional (2D) nonlinear unsteady convection‐reaction‐diffusion equation are creatively researched. The study develops a 2D compact finite difference scheme constructed by using the first and the second central difference operator to approximate the first‐order and the second‐order spatial derivative, Taylor series expansion rule, and the reminder‐correction method to approximate the three‐order and the four‐order spatial derivative, respectively, and the forward difference scheme to discretize temporal derivative, which brings the accuracy resulted meanwhile. Influences of degenerate parameter, convection parameter, and the length of the rectangle definition domain on quenching behaviors and performances of special quenching cases are discussed and evaluated by using the proposed scheme on the adaptive grid. It is feasible for the paper to offer potential support for further research on quenching problem.

Suggested Citation

  • Xiaoliang Zhu & Yongbin Ge, 2020. "Adaptive High‐Order Finite Difference Analysis of 2D Quenching‐Type Convection‐Reaction‐Diffusion Equation," Advances in Mathematical Physics, John Wiley & Sons, vol. 2020(1).
    • Handle: RePEc:wly:jnlamp:v:2020:y:2020:i:1:n:3650703
    DOI: 10.1155/2020/3650703
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    References listed on IDEAS

    as
    1. Padgett, Joshua L. & Sheng, Qin, 2018. "Numerical solution of degenerate stochastic Kawarada equations via a semi-discretized approach," Applied Mathematics and Computation, Elsevier, vol. 325(C), pages 210-226.
    2. Zhou, Jun, 2017. "Quenching for a parabolic equation with variable coefficient modeling MEMS technology," Applied Mathematics and Computation, Elsevier, vol. 314(C), pages 7-11.
    3. Beauregard, Matthew A., 2019. "Numerical approximations to a fractional Kawarada quenching problem," Applied Mathematics and Computation, Elsevier, vol. 349(C), pages 14-22.
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