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Forum: OpenFOAM Post-Processing

April 24, 2013, 13:52

Replies: 4

obtaining total pressure at a patch

Views: 2,793

Posted By immortality

for anyone needs now or in future see here by...

for anyone needs now or in future see here by search,it works well by this function:
total_pressure_right
{
type swakExpression;
valueType patch;
patchName right;...

Forum: OpenFOAM Post-Processing

April 20, 2013, 14:52

Replies: 4

obtaining total pressure at a patch

Views: 2,793

Posted By immortality

I can calculate total pressure without any need...

I can calculate total pressure without any need to Cp from the formula p0=p+1/2*rho*sqr(U) instead of isentropic relation.because the difference is so little.but how to do this?
add this in solver...

Forum: OpenFOAM Post-Processing

April 20, 2013, 07:56

Replies: 4

obtaining total pressure at a patch

Views: 2,793

Posted By immortality

is this a correct work? what about average...

is this a correct work?
what about average temperature and velocity at a patch? can use "patchAveragePressure"? or its only for pressure?

Forum: OpenFOAM Post-Processing

April 19, 2013, 13:45

Replies: 4

obtaining total pressure at a patch

Views: 2,793

Posted By immortality

can I use this swak4FOAM function to calculate...

can I use this swak4FOAM function to calculate total p at each time step?how?
is this true that ahead of expression I write:(p+.5*rho*sqr(U))*area/sum(area())patchAveragePressure
{
...

Forum: OpenFOAM Post-Processing

April 19, 2013, 12:57

Replies: 4

obtaining total pressure at a patch

Views: 2,793

Posted By immortality

obtaining total pressure at a patch

which functionObjects can use to obtain p0 (average,min,max) at inlet or outlet in time folders?

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