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Septic B-Spline Collocation Method for the Numerical Solution of the Modified Equal Width Wave Equation

机译:化等宽波动方程数值解的化粪池B样条搭配方法

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摘要

Numerical solutions of the modified equal width wave equation are obtained by using collocation method with septic B-spline finite elements with three different linearization techniques. The motion of a single solitary wave, interaction of two solitary waves and birth of solitons are studied using the proposed method. Accuracy of the method is discussed by computing the numerical conserved laws error norms L2 and L∞. The numerical results show that the present method is a remarkably successful numerical technique for solving the MEW equation. A linear stability analysis shows that this numerical scheme, based on a Crank Nicolson approximation in time, is unconditionally stable.
机译:利用化粪池B样条有限元的搭配方法,采用三种不同的线性化技术,得到了修正的等宽波动方程的数值解。利用所提出的方法研究了单个孤立波的运动,两个孤立波的相互作用以及孤子的产生。通过计算数值守恒律误差范数L2和L∞讨论了该方法的准确性。数值结果表明,该方法是求解MEW方程的非常成功的数值技术。线性稳定性分析表明,这种基于时间Crank Nicolson近似的数值方案是无条件稳定的。

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