A new alternating group explicit-implicit algorithm with high accuracy for dispersive equation

被引：0
|
作者：
张青洁 [1 ]
王文洽 [1 ]
机构：
[1] School of Mathematics,Shandong University
来源：
Applied Mathematics and Mechanics(English Edition) | 2008年 / 09期
基金：
中国国家自然科学基金;
关键词：
Dispersive equation; finite difference; alternating group explicit-implicit method(nAGEI); high accuracy; unconditional stability; parallel computation;
D O I：
暂无
中图分类号：
O241.82 [偏微分方程的数值解法];
学科分类号：
摘要：
In this paper, a new alternating group explicit-implicit (nAGEI) scheme for dispersive equations with a periodic boundary condition is derived. This new uncondi- tionally stable scheme has a fourth-order truncation error in space and a convergence ratio faster than some known alternating methods such as ASEI and AGE. Comparison in accuracy with the AGEI and AGE methods is presented in the numerical experiment.
引用
收藏
页码：1221 / 1230
页数：10
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