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Forum: OpenFOAM

November 11, 2011, 12:37

Replies: 14

StressedFoam

Views: 2,776

Posted By bigphil

OK great, hopefully it works. Philip

OK great,
hopefully it works.

Philip

Forum: OpenFOAM

November 11, 2011, 12:07

Replies: 14

StressedFoam

Views: 2,776

Posted By bigphil

Marzbali, "checkMesh" fails on your solid...

Marzbali,

"checkMesh" fails on your solid mesh.
How did you create the axisymmetric mesh? There should not be an axis patch (patches are only for faces, you can only apply boundary conditions to...

Forum: OpenFOAM

November 11, 2011, 11:35

Replies: 14

StressedFoam

Views: 2,776

Posted By bigphil

Marzbali, OK looking at your stress...

Marzbali,

OK looking at your stress residuals:

They have not converged at all, they are still about 0.4, they should be 1e-6.

What kind of mesh are you using for your solid? Maybe it would...

Forum: OpenFOAM

November 11, 2011, 09:14

Replies: 14

StressedFoam

Views: 2,776

Posted By bigphil

Marzbali, motionU... does that mean you are...

Marzbali,

motionU... does that mean you are using icoFsiFoam the extend version of OpenFOAM?

As far as I can see motionU is the motion of the fluid mesh, so maybe the motion of the fluid mesh...

Forum: OpenFOAM

November 10, 2011, 18:01

Replies: 14

StressedFoam

Views: 2,776

Posted By bigphil

Hi Marzbali, You can fix a solid boundary...

Hi Marzbali,

You can fix a solid boundary using fixedValue in your displacement boundary conditions (0/U or 0/D):

patchOfInterest
{
type fixedValue;
value uniform (0 0 0);
}

Forum: OpenFOAM

June 18, 2011, 12:55

Replies: 14

StressedFoam

Views: 2,776

Posted By bigphil

Hi, Are you sure you want to use the...

Hi,

Are you sure you want to use the zeroGradient BC, it doesn't really have a physical interpretation for a displacement solver (well maybe it's equivalent to a zero strain condition), if you...

Forum: OpenFOAM

June 16, 2011, 16:14

Replies: 14

StressedFoam

Views: 2,776

Posted By bigphil

Hi, Where are you loading your geometry?...

Hi,

Where are you loading your geometry? what are all the boundary conditions?

Also what analytical solution are you using?

Philip

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