Numerical Method for Approximate Solution of Fisher's Equation

Year 2022, Volume: 12 Issue: 1, 435 - 445, 01.03.2022

Melike Karta

https://doi.org/10.21597/jist.975119

Cited By: 1

Abstract

In this paper, Fisher's reaction diffusion equation has been solved numerically by Strang splitting technique depending on collocation method with cubic B-spline. For our purpose, the initial and boundary value problem consisting of Fisher's equation is split into two sub-problems to be one linear and the other nonlinear such that each one contains the derivative in terms of time. Then, the whole problem is reduced to the algebraic equation system using finite element collocation method combined with the cubic B-spline for spatial discretization and the convenient classical finite difference approaches for time discretization. The effective and efficiency of the newly given method have been shown on the four examples. In addition, the newly obtained numerical results are shown in formats graphical profiles and tables to compare with studies available in the literature.

Keywords

Fisher’ s equation, B-splines, Collocation method

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