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Forum: Main CFD Forum

February 27, 2013, 16:20

Replies: 5

'SIMPLE' question

Views: 1,239

Posted By FMDenaro

The flux-integrated form of the pressure term...

The flux-integrated form of the pressure term should write as

Int [S] n.(pI) dS

but I think that by using the volume average of the pressure gradient, the second order discretization is done...

Forum: Main CFD Forum

February 26, 2013, 14:25

Replies: 5

'SIMPLE' question

Views: 1,239

Posted By FMDenaro

The key is that the integrals are approximated by...

The key is that the integrals are approximated by centred second order formulas (mean value approximation). This often leads to have discrete equations that appears similar both for FV and FD.
The...

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