基于二次b样条函数配置的一维双曲电报方程近似解

IF 1.1 Q2 MATHEMATICS, APPLIED Computational Methods for Differential Equations Pub Date : 2021-01-05 DOI:10.22034/CMDE.2020.40112.1749
M. Zarebnia, R. Parvaz
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引用次数: 1

摘要

本文采用基于B样条函数的配点法求解一维双曲电报方程。所提出的方法由两个主要步骤组成。作为第一步,利用时间变量的有限差分格式,将偏微分方程转化为空间变量的常微分方程。在下一步中,为了求解这个方程,使用了配点法。在该方法的分析部分,研究了该方法的收敛性。文中还给出了一些数值结果,验证了该方法的有效性和适用性。解中的L∞、L2和均方根(RMS)在计算上表明了该方法的有效性。
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An approximation to the solution of one-dimensional hyperbolic telegraph equation based on the collocation of quadratic b-spline functions
In this work, collocation method based on B-spline functions is used to obtained a numerical solution for one-dimensional hyperbolic telegraph equation. The proposed method is consists of two main steps. As first step, by using finite difference scheme for time variable, partial differential equation is converted to an ordinary differential equation by space variable. In the next step, for solving this equation collocation method is used. In the analysis section of the proposed method, the convergence of the method is studied. Also, some numerical results are given to demonstrate the validity and applicability of the presented technique. The L∞, L2 and Root-Mean-Square(RMS) in the solutions show the efficiency of the method computationally.
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来源期刊
CiteScore
2.20
自引率
27.30%
发文量
0
审稿时长
4 weeks
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