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One-dimensional coupled Burgers’ equation and its numerical solution by an implicit logarithmic finite-difference method

机译:一维耦合伯格斯方程及其隐式对数有限差分法的数值解

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In this paper, an implicit logarithmic finite difference method (I-LFDM) is implemented for the numerical solution of one dimensional coupled nonlinear Burgers’ equation. The numerical scheme provides a system of nonlinear difference equations which we linearise using Newton's method. The obtained linear system via Newton's method is solved by Gauss elimination with partial pivoting algorithm. To illustrate the accuracy and reliability of the scheme, three numerical examples are described. The obtained numerical solutions are compared well with the exact solutions and those already available.
机译:本文针对一维耦合非线性Burgers方程的数值解实现了隐式对数有限差分法(I-LFDM)。数值方案提供了一个非线性差分方程组,我们使用牛顿法将其线性化。通过牛顿法得到的线性系统采用部分枢轴算法通过高斯消去法求解。为了说明该方案的准确性和可靠性,描述了三个数值示例。将获得的数值解与精确解和已有解进行比较。

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