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假扩散
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假扩散
Encyclopedia
工学
离散方程的数学和物理特性
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fasle diffusiton
假扩散
由于对流-扩散方程中一阶导数项的离散格式的截断误差小于二阶而引起较大数值计算误差的现象。又称人工黏性或数值黏性。
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