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Forum: OpenFOAM Running, Solving & CFD June 30, 2009, 05:00
Replies: 7
Views: 11,078
Posted By herenger
simpleInviscidFoam Floating Point Exception

Looking at the stack trace lets me suggest that there is some division by zero somewhere in the DILUPreconditioner. So I tried to run simpleInviscidFoam without preconditioner, which in turn lead to...
Forum: OpenFOAM Running, Solving & CFD June 26, 2009, 05:49
Replies: 7
Views: 11,078
Posted By herenger
Laminar simpleFoam and inviscid simpleFoam IV

Just in case that the stack trace might help ...

Starting time loop

Time = 1

#0 Foam::error::printStack(Foam::Ostream&) in...
Forum: OpenFOAM Running, Solving & CFD June 26, 2009, 05:34
Replies: 7
Views: 11,078
Posted By herenger
Laminar simpleFoam and inviscid simpleFoam III

Dear Nacer.

Thanks for your reply.

Actually there shouldn't be any problem with an initial (0 0 0) velocity field or an internal velocity flux field 0 as for example shows the fact that...
Forum: OpenFOAM Running, Solving & CFD June 23, 2009, 08:14
Replies: 7
Views: 11,078
Posted By herenger
Post Serial and parallel runtime for turbulent and laminar simpleFoam

Dear all.

After some further investigations on runtime of some simpleFoam variants I found out that there seems to be a problem when executing simpleFoam with laminar turbulence model and my...
Forum: OpenFOAM Running, Solving & CFD June 12, 2009, 07:35
Replies: 7
Views: 11,078
Posted By herenger
Convergence and runtime for turbulent and laminar simpleFoam simulations

Hello again.

Meanwhile I did some more turbulent, laminar and inviscid simulations with the same test case. I therefore used simpleFoam with k-Epsilon turbulence model for the turbulent...
Forum: OpenFOAM Running, Solving & CFD June 10, 2009, 09:12
Replies: 7
Views: 11,078
Posted By herenger
Laminar simpleFoam and inviscid simpleFoam

Dear all.

I currently am trying to compare results of turbulent, laminar and inviscid simulations. My test case is a wicked gate of a bulb turbine with a mesh of ~540k nodes. In order to perform...
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