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Central-Upwind Scheme for Conservation Laws and Convection-Diffusion Equations
Author(s): 
Pages: 23-26
Year: Issue:  3
Journal: AERONAUTICAL COMPUTER TECHNIQUE

Keyword:  双曲守恒律中心迎风CWENO;
Abstract: 提出了一种新的求解双曲守恒律方程(组)的四阶半离散中心迎风差分方法.空间导数项的离散采用四阶CWENO的构造方法,使所得到的新方法在提高精度的同时,具有更高的分辨率.使用该方法产生的数值粘性同阶要比交错的中心格式小,而且由于数值粘性与时间步长无关,从而时间步长可根据稳定性需要尽可能的小.
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