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Search: Posts Made By: Mo-ITB
Forum: OpenFOAM Running, Solving & CFD July 2, 2010, 11:57
Replies: 109
Views: 29,285
Posted By Mo-ITB
here is what i did till now: when chosing...

here is what i did till now:

when chosing lam-bremhorst i use no wall functions, because in low-reynolds-models there are correction-functions (f1 and f2) implemented in the equations for k,...
Forum: OpenFOAM Running, Solving & CFD July 2, 2010, 04:05
Replies: 109
Views: 29,285
Posted By Mo-ITB
how is the low-re-wallfunction working? is it...

how is the low-re-wallfunction working? is it like in lam-bremhorst a function which is added to the eps, k and nut equations or like standard-k-e a function which replaces the eps, k and nut...
Forum: OpenFOAM Running, Solving & CFD July 2, 2010, 01:50
Replies: 109
Views: 29,285
Posted By Mo-ITB
Hi Louis, are the new wallfunctions part of...

Hi Louis,

are the new wallfunctions part of OF 1.7?

best,
Moritz
Forum: OpenFOAM Running, Solving & CFD July 1, 2010, 14:47
Replies: 109
Views: 29,285
Posted By Mo-ITB
hi stephane and louis, thanks for the link,...

hi stephane and louis,

thanks for the link, but for me its not working :(.

Attached are some pics of my case where you can see the problem zones of epsilon behind a foot of the ahmed body. it...
Forum: OpenFOAM Running, Solving & CFD July 1, 2010, 13:30
Replies: 109
Views: 29,285
Posted By Mo-ITB
Hi Louis, i use OF 1.6. At the beginning i...

Hi Louis,

i use OF 1.6. At the beginning i had bc for k and eps at the inlet, but this always led to divergence in the boundary layer i used for the bottom.

with zeroGradient and the initial...
Forum: OpenFOAM Running, Solving & CFD July 1, 2010, 05:09
Replies: 109
Views: 29,285
Posted By Mo-ITB
hi Louis, have you made any progress with...

hi Louis,

have you made any progress with low-re modelling of the ahmed body? i'm on it for quite a while now with lam-bremhorst, but still have not reached convergence.

i tried to make a...
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