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最近在阅读buoyantBoussinesqSimpleFoam代码遇到困惑,为什么公式(11)右端前两项对应的代码不使用
-fvc::grad(p_rgh))-gh*fvc::grad(rhok))
而使用的是面法向梯度snGrad的数据
fvc::reconstruct ( ( - ghf*fvc::snGrad(rhok) - fvc::snGrad(p_rgh) )*mesh.magSf() )
请各位大佬赐教~
http://dyfluid.com/docs/RhieChow.html 最后一段解释 主要是抹掉震荡
@东岳 谢谢李老师~