采用fvOptions添加动量源项
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用四面cyclic条件模拟二维圆柱流场,想用添加固定压差的方式让流场流动,simpleFoam求解。采用的fvOptions格式和前辈完全一样,但是运行不了,报错如下:keyword selectionMode is undefined in dictionary....From function const Foam::entry& Foam::dictionary::lookupEntry(const Foam::word&, bool, bool) const
in file db/dictionary/dictionary.C at line 566.,是不是还有没考虑的地方?
参考:http://www.cfd-china.com/topic/280/动量方程如何加入加压力梯度源项 -
OpenFOAM新版本直接在fvOptions里面加入下面的代码就可以,如
momentumSource { type meanVelocityForce; active yes; meanVelocityForceCoeffs { selectionMode all; fields (U); Ubar (0.1 0 0);//平均速度 relaxation 1.0; } }
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@东岳 谢谢李老师!这个是指定流场域的平均速度吗?能否指定压差呢?
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@danao 请问你添加上了么?