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首页> 外文期刊>Journal of Computational Physics >A DYNAMICALLY ADAPTIVE MULTILEVEL WAVELET COLLOCATION METHOD FOR SOLVING PARTIAL DIFFERENTIAL EQUATIONS IN A FINITE DOMAIN
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A DYNAMICALLY ADAPTIVE MULTILEVEL WAVELET COLLOCATION METHOD FOR SOLVING PARTIAL DIFFERENTIAL EQUATIONS IN A FINITE DOMAIN

机译:求解有限域偏微分方程的动态自适应多级小波拼接方法

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摘要

A dynamically adaptive multilevel wavelet collocation method is developed for the solution of partial differential equations. The multilevel structure of the algorithm provides a simple way to adapt computational refinements to local demands of the solution. High resolution computations are performed only in regions where sharp transitions occur. The scheme handles general boundary conditions. The method is applied to the solution of the one-dimensional Burgers equation with small viscosity, a moving shock problem, and a nonlinear thermoacoustic wave problem. The results indicate that the method is very accurate and efficient. (C) 1996 Academic Press, Inc. [References: 16]
机译:针对偏微分方程,提出了一种动态自适应的多级小波配点方法。该算法的多层结构提供了一种简单的方法,可以使计算改进适应解决方案的本地需求。仅在发生急剧过渡的区域中执行高分辨率计算。该方案处理一般边界条件。该方法适用于粘性较小,运动冲击问题和非线性热声波问题的一维Burgers方程的求解。结果表明该方法非常准确有效。 (C)1996 Academic Press,Inc. [参考:16]

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