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Showing results 1 to 10 of 10 Search took 0.00 seconds. Search: Posts Made By: ata

Forum: OpenFOAM October 10, 2012, 08:15

Replies: 20 Is div(grad(U))=laplacian(U) ??? Views: 5,268 Posted By ata Hi Decrease your delta T. Hi Decrease your delta T.

Forum: OpenFOAM October 10, 2012, 05:45

Replies: 20 Is div(grad(U))=laplacian(U) ??? Views: 5,268 Posted By ata Hi How much is your max. Courant number? Hi How much is your max. Courant number?

Forum: OpenFOAM October 10, 2012, 05:23

Replies: 20 Is div(grad(U))=laplacian(U) ??? Views: 5,268 Posted By ata Ho For start they are good. What did you got... Ho For start they are good. What did you got using these?

Forum: OpenFOAM October 9, 2012, 07:14

Replies: 20 Is div(grad(U))=laplacian(U) ??? Views: 5,268 Posted By ata Hi Could you first calculate the viscosity and... Hi Could you first calculate the viscosity and then use fvm::laplacian(nu, U) in your code?

Forum: OpenFOAM October 9, 2012, 06:45

Replies: 20 Is div(grad(U))=laplacian(U) ??? Views: 5,268 Posted By ata Hi Is it possible to write your solver in a... Hi Is it possible to write your solver in a conservative form? Did you try both of relaxation factors 0.01?

Forum: OpenFOAM October 8, 2012, 05:08

Replies: 20 Is div(grad(U))=laplacian(U) ??? Views: 5,268 Posted By ata Hi What is your solver? Could you try both of... Hi What is your solver? Could you try both of relaxation factors 0.01?

Forum: OpenFOAM October 7, 2012, 08:29

Replies: 20 Is div(grad(U))=laplacian(U) ??? Views: 5,268 Posted By ata Hi Is the problem unsteady state? If yes how... Hi Is the problem unsteady state? If yes how much is your time step and max courant number? You used 0.2 for all equations?

Forum: OpenFOAM October 7, 2012, 07:14

Replies: 20 Is div(grad(U))=laplacian(U) ??? Views: 5,268 Posted By ata Hi Would you please tell me what relaxation... Hi Would you please tell me what relaxation factors you used?

Forum: OpenFOAM October 7, 2012, 05:02

Replies: 20 Is div(grad(U))=laplacian(U) ??? Views: 5,268 Posted By ata Hi May using lower relaxations be helpful. Hi May using lower relaxations be helpful.

Forum: OpenFOAM October 6, 2012, 06:51

Replies: 20 Is div(grad(U))=laplacian(U) ??? Views: 5,268 Posted By ata Hi I think you see instability because you use... Hi I think you see instability because you use a non-conservative form.

Showing results 1 to 10 of 10

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