Analysis of a moving collocation method for one-dimensional partial differential equations

Analysis of a moving collocation method for one-dimensional partial differential equations
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一维偏微分方程的移动配置法分析

DOI:
10.1007/s11425-011-4329-z
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发表时间:
2012-04
期刊:
Science China Mathematics
影响因子:
--
通讯作者:
Robert D. Russell
Robert D. Russell
中科院分区:
其他
文献类型:
--
作者:
Jingtang Ma;Weizhang Huang;Robert D. Russell

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一个移动配置方法已被证明是非常有效的二阶和四阶时间相关的偏微分方程的自适应解,并形成了两个强大的代码MOVCOL和MOVCOL4的基础。本文研究了该方法与传统配点法和有限体积法之间的关系。结果表明,移动配点法继承了传统配点法的易于实现和高阶收敛性以及有限体积法的质量守恒性。对于一般的线性两点边值问题,证明了该方法在最大范数下的收敛性。数值结果证明了该方法的收敛阶。
A moving collocation method has been shown to be very efficient for the adaptive solution of second- and fourth-order time-dependent partial differential equations and forms the basis for the two robust codes MOVCOL and MOVCOL4. In this paper, the relations between the method and the traditional collocation and finite volume methods are investigated. It is shown that the moving collocation method inherits desirable properties of both methods: the ease of implementation and high-order convergence of the traditional collocation method and the mass conservation of the finite volume method. Convergence of the method in the maximum norm is proven for general linear two-point boundary value problems. Numerical results are given to demonstrate the convergence order of the method.
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发表时间: 2004
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影响因子: --
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