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Showing results 1 to 8 of 8 Search took 0.00 seconds. Search: Posts Made By: maysmech

Forum: OpenFOAM Pre-Processing June 22, 2011, 09:48

Replies: 44 How to set up BCs for k epsilon model Views: 60,532 Posted By maysmech I don't see any contradiction. what is set in 0... I don't see any contradiction. what is set in 0 folder is not initial condition only. you should set also boundary condition in this folder. if you see e.g case/0/U what is written after "Internal...

Forum: OpenFOAM Pre-Processing June 22, 2011, 09:05

Replies: 44 How to set up BCs for k epsilon model Views: 60,532 Posted By maysmech Initial values are not important and your... Initial values are not important and your solution is independent on them but, you should set them exactly in boundaries.

Forum: OpenFOAM Pre-Processing May 30, 2011, 14:35

Replies: 44 How to set up BCs for k epsilon model Views: 60,532 Posted By maysmech Other possible for convergence problem of... Other possible for convergence problem of simpleFoam is running an unsteady case with this steady solver. i had this experience. Switching to pisoFoam solved my problem.

Forum: OpenFOAM Pre-Processing May 30, 2011, 14:32

Replies: 44 How to set up BCs for k epsilon model Views: 60,532 Posted By maysmech Hi Juan, I didn't face your problem before. Hi... Hi Juan, I didn't face your problem before. Hi Eren, I have doubt about using free stream for both U and P. I haven't used this boundary too. Try using fixed value for U and zeroGradient for P and...

Forum: OpenFOAM Pre-Processing May 26, 2011, 15:43

Replies: 44 How to set up BCs for k epsilon model Views: 60,532 Posted By maysmech It depends on your y+. If your mesh be... It depends on your y+. If your mesh be refined near wall and yPlus value be less than ~5 you don't need to use wallFunction and zeroGradient is the correct choice. Best,

Forum: OpenFOAM Pre-Processing September 9, 2010, 07:51

Replies: 44 How to set up BCs for k epsilon model Views: 60,532 Posted By maysmech Thanks, as you mentioned turbulentInlet is for... Thanks, as you mentioned turbulentInlet is for LES/DNS. i searched in tut files and not found this inlet type for RAS. i will add intensity to k and compare results with benchmark. Best.

Forum: OpenFOAM Pre-Processing September 9, 2010, 03:53

Replies: 44 How to set up BCs for k epsilon model Views: 60,532 Posted By maysmech Thanks Nilesh, You mean it is not necessary to... Thanks Nilesh, You mean it is not necessary to define anything in 0/u file. if no, what is the meaning of this phrase? : boundaryField { inlet { type ...

Forum: OpenFOAM Pre-Processing September 8, 2010, 18:15

Replies: 44 How to set up BCs for k epsilon model Views: 60,532 Posted By maysmech i have same problem. please tell me how and... i have same problem. please tell me how and where can i define turbulent intensity ( i want 5%) for inlet velocity. Regards.

Showing results 1 to 8 of 8

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