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Forum: OpenFOAM August 1, 2011, 15:11
Replies: 16
Views: 1,899
Posted By of_user_
i updated post 1 to make my case clearer and i...

i updated post 1 to make my case clearer and i provide a downloadable casefile for anyone how is interested in testing ;)
Forum: OpenFOAM August 1, 2011, 10:43
Replies: 16
Views: 1,899
Posted By of_user_
i am sorry, it seems my case description was...

i am sorry, it seems my case description was quite bad since all of you are unsure about my setup :(

here again, hopefully i can express myself more clearly this time:

- i do use a cube as my...
Forum: OpenFOAM August 1, 2011, 09:55
Replies: 16
Views: 1,899
Posted By of_user_
okay.. now i used zeroGradient for all BCs,...

okay..

now i used zeroGradient for all BCs, except U at the bottom wall (this is fixed to 0) and apha1 at the ambient patches (this is inletOutlet).

but my drop is still rising against...
Forum: OpenFOAM August 1, 2011, 05:10
Replies: 16
Views: 1,899
Posted By of_user_
so instead i should formulate the BC like this? ...

so instead i should formulate the BC like this?

{
type fixedValue;
value uniform 0;
}

or zero gradient?
Forum: OpenFOAM August 1, 2011, 04:53
Replies: 16
Views: 1,899
Posted By of_user_
yes, i do. :) i will check what happens when...

yes, i do. :)

i will check what happens when i use 5 different patches for it and report my results.

but thank you so far.
Forum: OpenFOAM August 1, 2011, 04:42
Replies: 16
Views: 1,899
Posted By of_user_
the domain is a cubic box. all patches except the...

the domain is a cubic box. all patches except the bottom patch are plain, using patchtype wall and their BCs are defined by OUTSIDE. the bottom is not plain. there are the pyramid structures. the...
Forum: OpenFOAM July 31, 2011, 15:07
Replies: 16
Views: 1,899
Posted By of_user_
thank you for your help. i tested the case using...

thank you for your help. i tested the case using this BCs for alpha:



this BCs for p:



and this BCs for U:
Forum: OpenFOAM July 31, 2011, 05:28
Replies: 16
Views: 1,899
Posted By of_user_
anyone any idea why this might happen?

anyone any idea why this might happen?
Forum: OpenFOAM July 29, 2011, 12:59
Replies: 16
Views: 1,899
Posted By of_user_
happens also with more correctors: ...

happens also with more correctors:



courant number limitation i use:



fvSchemes i use for this case:
Forum: OpenFOAM July 29, 2011, 12:17
Replies: 16
Views: 1,899
Posted By of_user_
drops are moving against gravity with my mesh

/edit: since my first description was to confusing, i now updated the first post. now with pictures and even with downloadable case file. thank you all for your support!

3 drops are initialised at...
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