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Showing results 1 to 9 of 9 Search took 0.00 seconds. Search: Posts Made By: ata

Forum: OpenFOAM October 12, 2011, 05:43

Replies: 28 Non-physcial solution in the case of triangular mesh from interFoam Views: 5,301 Posted By ata Hi In your cases how much is the density ratio?... Hi In your cases how much is the density ratio? Good luck Ata

Forum: OpenFOAM October 12, 2011, 02:54

Replies: 28 Non-physcial solution in the case of triangular mesh from interFoam Views: 5,301 Posted By ata Hi Yes I examine some different grids and in... Hi Yes I examine some different grids and in all triangular grids I had the same problem. Good luck Ata

Forum: OpenFOAM October 11, 2011, 06:43

Replies: 28 Non-physcial solution in the case of triangular mesh from interFoam Views: 5,301 Posted By ata Hi Niels Gjoel Jacobsen I know it was in OF1.6... Hi Niels Gjoel Jacobsen I know it was in OF1.6 and in the OF1.7 p_rgh has been used but as I know they used p_rgh to make BC more comfortable grad(p_rgh)=0 but as I said I think we can solve this...

Forum: OpenFOAM October 11, 2011, 02:55

Replies: 28 Non-physcial solution in the case of triangular mesh from interFoam Views: 5,301 Posted By ata How we can solve the problem? Hi Dear Friends Very nice discussions. I think that this problem can be solved in OpenFOAM by to ways: 1. Smoothed rho. I think we can use a normalized kernel function to smooth rho. I think this...

Forum: OpenFOAM October 10, 2011, 02:10

Replies: 28 Non-physcial solution in the case of triangular mesh from interFoam Views: 5,301 Posted By ata Non-physcial solution in the case of triangular mesh from interFoam Hi Dear Alberto and thank you very much for your help. I used your proposed schemes and it seems that alpha is good but the velocity is non-physical. Please see the attachments. Do you have any...

Forum: OpenFOAM October 9, 2011, 01:33

Replies: 28 Non-physcial solution in the case of triangular mesh from interFoam Views: 5,301 Posted By ata Non-physcial solution in the case of triangular mesh from interFoam Hi Dear Alberto Please see the attachments Thank you very much Best regards Ata

Forum: OpenFOAM October 8, 2011, 03:31

Replies: 28 Non-physcial solution in the case of triangular mesh from interFoam Views: 5,301 Posted By ata Non-physcial solution in the case of triangular mesh from interFoam Hi Dear Alberto Thank you very much for your quick reply. I used your suggested scheme but the problem did not solve? Do you have any other suggestion? Best regards Ata

Forum: OpenFOAM October 8, 2011, 02:47

Replies: 28 Non-physcial solution in the case of triangular mesh from interFoam Views: 5,301 Posted By ata What scheme? Hi Dear Alberto These are schemes that I used: ddtSchemes { default Euler; } gradSchemes { default Gauss linear;

Forum: OpenFOAM October 7, 2011, 00:30

Replies: 28 Non-physcial solution in the case of triangular mesh from interFoam Views: 5,301 Posted By ata Non-physcial solution in the case of triangular mesh from interFoam Hi I have a problem with interFoam. When I run my problem on a quadrangular mesh every thing is OK but when I run my problem on a triangular mesh I have some non-physical big velocities. I know...

Showing results 1 to 9 of 9

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