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Search: Posts Made By: FMDenaro
Forum: Main CFD Forum July 13, 2016, 09:01
Replies: 5
Views: 615
Posted By FMDenaro
Since the Grad phi enters into the momentum...

Since the Grad phi enters into the momentum equation, you apply the Div operator to all terms and enforces the condition Div vn+1=0.
That means you get the Poisson equation

Div Grad phi = Div v*...
Forum: Main CFD Forum July 13, 2016, 08:05
Replies: 5
Views: 615
Posted By FMDenaro
no, you do not have to use ghost points...and you...

no, you do not have to use ghost points...and you do not have to write the Laplacian operator but the Div Grad one. This way, on the boundary you directly substitute the condition n.Grad phi =0 into...
Forum: Main CFD Forum July 13, 2016, 07:07
Replies: 5
Views: 615
Posted By FMDenaro
The main comment is that the surface integral of...

The main comment is that the surface integral of the source term MUST

Int[S] n.v* dS =0

this is a mandatory condition that stems out from the decomposition

v* = vn+1 + Grad phi

In...
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