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Forum: OpenFOAM

January 28, 2010, 23:34

Replies: 10

Meshing an axissymetric 2D case - Problems

Views: 2,465

Posted By Andyjoe

I decreased the time-step and the maximal Courant...

I decreased the time-step and the maximal Courant number was about 0.3, but the same error occured.

Forum: OpenFOAM

January 28, 2010, 21:06

Replies: 10

Meshing an axissymetric 2D case - Problems

Views: 2,465

Posted By Andyjoe

Thank you, Ahmed, that could solve the Problem....

Thank you, Ahmed, that could solve the Problem. So my time step is too big, or my meshside too small.
JinBiao: Are you satisfied with the result of the simulation? I think, if the error in...

Forum: OpenFOAM

January 28, 2010, 15:50

Replies: 10

Meshing an axissymetric 2D case - Problems

Views: 2,465

Posted By Andyjoe

Now the big problem. SonicFoam doesn't work, even...

Now the big problem. SonicFoam doesn't work, even in the case which is meshed like I wanted it to. It gives the following errormessage

Starting time loop

Time = 1e-05

Courant Number mean:...

Forum: OpenFOAM

January 28, 2010, 15:44

Replies: 10

Meshing an axissymetric 2D case - Problems

Views: 2,465

Posted By Andyjoe

I kept on trying. Now paraview shows a mesh which...

I kept on trying. Now paraview shows a mesh which seems to be ok. Theoretically this can be applied to any 2D Body which can be described as a function. Scince the body is symmetric, I only simulate...

Forum: OpenFOAM

January 28, 2010, 08:29

Replies: 10

Meshing an axissymetric 2D case - Problems

Views: 2,465

Posted By Andyjoe

Hi Jinbiao, have you tried to look at your...

Hi Jinbiao,

have you tried to look at your mesh with paraView? This often helps to spot the point, where the mesh is bad, whereas checkMesh just tells you numbers.

Forum: OpenFOAM

January 27, 2010, 15:11

Replies: 10

Meshing an axissymetric 2D case - Problems

Views: 2,465

Posted By Andyjoe

The last hours I kept on trying. Now I've got a...

The last hours I kept on trying. Now I've got a concrete error message. First of all, here my blockMeshDict:

FoamFile
{
version 2.0;
...

Forum: OpenFOAM

January 27, 2010, 13:31

Replies: 10

Meshing an axissymetric 2D case - Problems

Views: 2,465

Posted By Andyjoe

Meshing an axissymetric 2D case - Problems

Hello,
This day and the half of last night I spend trying to mesh an axissymetrc 2D case.
First I made a box, which was the "windtunnel". Two sites were wedges, I did it like in the OpenFOAM...

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