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Forum: OpenFOAM Running, Solving & CFD

August 7, 2013, 16:41

Replies: 6

Dimension of pressure: M/LT2 or L2/T2?

Views: 2,844

Posted By gcengineer

Yes. However, for the cases in...

Yes. However, for the cases in /tutorials/multiphase/interFoam, there is no 0/p, but 0/p_rgh has dimension M/LT2.

Thanks again.

Forum: OpenFOAM Running, Solving & CFD

August 7, 2013, 16:24

Replies: 6

Dimension of pressure: M/LT2 or L2/T2?

Views: 2,844

Posted By gcengineer

It appears that the dimension of pressure is...

It appears that the dimension of pressure is M/LT2 for compressible solvers and L2/T2 for incompressible solvers. Here, Boussinesq solvers are incompressible (e.g., buoyantBoussinesqSimpleFoam,...

Forum: OpenFOAM Running, Solving & CFD

August 7, 2013, 15:44

Replies: 6

Dimension of pressure: M/LT2 or L2/T2?

Views: 2,844

Posted By gcengineer

Thank you, nimasam, for responding. As I...

Thank you, nimasam, for responding.

As I wrote, "I see that (M/LT2)/(M/L3) = L2/T2."

What I want to know is why does one case require M/LT2, but another requires L2/T2?

Is it 2D v 3D?...

Forum: OpenFOAM Running, Solving & CFD

August 7, 2013, 13:57

Replies: 6

Dimension of pressure: M/LT2 or L2/T2?

Views: 2,844

Posted By gcengineer

Dimension of pressure: M/LT2 or L2/T2?

Sometimes the dimension of pressure is specified differently in 0/p file for different problems:

tutorials/basic/potentialFoam/cylinder
dimensions [0 2 -2 0 0 0 0];
...

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