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Forum: Main CFD Forum

March 20, 2009, 03:25

Replies: 11

Please help! (incompressible navier-stokes)

Views: 1,848

Posted By sbaffini

Checking the dimensions is the first thing to do...

Checking the dimensions is the first thing to do when there is such difference between the result and the expected one.

Forum: Main CFD Forum

March 19, 2009, 04:38

Replies: 11

Please help! (incompressible navier-stokes)

Views: 1,848

Posted By sbaffini

I'm not sure of what i'd pick at the inflow...

I'm not sure of what i'd pick at the inflow boundary because fixing the mass inflow will obviously fix the mass outflow which i think is something you want to compute and not fix. Probably, having...

Forum: Main CFD Forum

March 18, 2009, 13:26

Replies: 11

Please help! (incompressible navier-stokes)

Views: 1,848

Posted By sbaffini

Actually, if you are using the RANS approach, the...

Actually, if you are using the RANS approach, the correct model is the axialsymmetric one (Fluent has this kind of model) and there is no reason to switch to a 3D model.

I don't actually...

Forum: Main CFD Forum

March 18, 2009, 08:55

Replies: 11

Please help! (incompressible navier-stokes)

Views: 1,848

Posted By sbaffini

If i understand well what a solar tower is(*),...

If i understand well what a solar tower is(*), there could be a problem with the incompressible flow assumption. In fact you are not simulating a simple adiabathic flow but a very complex one in...

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