使用修正的立方 B-样条配位法数值求解热方程

Mudassar Iqbal, Nooraini Zainuddin, Hanita Daud, Ramani Kanan, Rahimah Jusoh, Atta Ullah, Ilyas Kareem Khan
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引用次数: 0

摘要

本文提出了一种基于修正三次 B-样条法(MCBSM)的配准法,用于热方程的数值求解。在空间离散化中使用修正三次 B-样条法对 PDE 进行完全离散化,在时间离散化中使用有限差分法。利用一个 PDE 数值实例来评估所提出方法的准确性。数值结果与精确解进行了比较评估。结果一致表明,建议的技术提供了良好的误差估计。我们还发现,我们提出的方法是无条件稳定的。因此,基于该方法的结果和效率,该方法适用于求解热方程。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Numerical Solution of Heat Equation using Modified Cubic B-spline Collocation Method
In this paper, a collocation method is presented based on the Modified Cubic B-spline Method (MCBSM) for the numerical solution of the heat equation. The PDE is fully discretized by using the Modified Cubic B-spline basis collocation for spatial discretization and the finite difference method is used for the time discretization. A numerical example from PDE is used to evaluate the accuracy of the proposed method. The numerical results are evaluated in comparison to the exact solutions. The findings consistently indicate that the suggested technique provides good error estimates. We also discovered that our proposed method was unconditionally stable. Hence, based on the results and the efficiency of the method, the method is suitable for solving heat equation.
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