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有点疑惑,请问 Initial residual , Final residual 的定义是什么?是残差的绝对值还是相对值? 另外,residual是怎样用来度量动量方程的满足情况的?谢谢!
https://www.cfd-online.com/Forums/openfoam-solving/117484-initial-residual-final-residual.html
@cccrrryyy 多谢! 请问,在这个公式中,x和x0分别表示什么呢?
@cccrrryyy
公式链接:OpenFOAM的残差定义: https://chengdi123000.github.io/2018/01/05/OpenFOAM的残差定义/
不太清楚,可能需要去看一下代码了。
在网上查了资料Openfoam残差定义是这个(代码我没找到),和楼主发的一摸一样,这种残差定义的相关文献有吗。 为什么有些openfoam论文里面残差定义是两次迭代值之差初以迭代值呢