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Forum: OpenFOAM

October 15, 2013, 08:30

Replies: 12

OpenFoam vs Fluent

Views: 5,445

Posted By mechy

HI oliver in both software the initial velocity...

HI oliver
in both software the initial velocity and pressure is zero and initial k and omega is inlet conditions.
in both software I use constant deltaT=5e-5
for airfoil I use a very good mesh and...

Forum: OpenFOAM

October 15, 2013, 06:42

Replies: 12

OpenFoam vs Fluent

Views: 5,445

Posted By mechy

Olivier in post reply number 3 and 5 you can...

Olivier
in post reply number 3 and 5 you can find setting for OF and FLUENT
for OF my fvScheme and fvSolution are added to post reply5 ;
the BC are as follow

| OF |...

Forum: OpenFOAM

October 15, 2013, 02:45

Replies: 12

OpenFoam vs Fluent

Views: 5,445

Posted By mechy

Hi I agree with you that OF is a good Open...

Hi

I agree with you that OF is a good Open Source code
I hope in the future OF remove its dependency to meshes and it become a very powerful
software.
the current deficiency is a big problem....

Forum: OpenFOAM

October 14, 2013, 17:49

Replies: 12

OpenFoam vs Fluent

Views: 5,445

Posted By mechy

I have found that the main deficiency of openfoam...

I have found that the main deficiency of openfoam is that it is very sensitive to mesh quality.
if I divide the mesh quality to very good, good , medium,bad ,very bad then
the OF and Fluent have...

Forum: OpenFOAM

October 14, 2013, 16:22

Replies: 12

OpenFoam vs Fluent

Views: 5,445

Posted By mechy

ddtSchemes { default Euler; } ...

ddtSchemes
{
default Euler;
}

gradSchemes
{
default leastSquares ;
}

Forum: OpenFOAM

October 12, 2013, 00:47

Replies: 12

OpenFoam vs Fluent

Views: 5,445

Posted By mechy

Hi the equivalent of pimpleFoam, in fluent is...

Hi
the equivalent of pimpleFoam, in fluent is PISO. therefore ,
I have compared pimpleFoam in OF vs PISO in fluent

my test cases are, flow around airfoil with flap , cylinder + square, ....
...

Forum: OpenFOAM

October 11, 2013, 18:15

Replies: 12

OpenFoam vs Fluent

Views: 5,445

Posted By mechy

OpenFoam vs Fluent

Hi All

I have run several test case with OF and Fluent with similar settings.
I have found that fluent is more stable , accrue and faster than OF
also OF is very sensitive to mesh quality but...

Showing results 1 to 7 of 7

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