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Forum: OpenFOAM Running, Solving & CFD October 2, 2012, 03:58
Replies: 19
Views: 16,075
Posted By Djub
Hi Alberto, I really do not understand: -...

Hi Alberto,
I really do not understand:
- linearUpwind seems to work, when linear does not (is my picture a kind of "staggering"? I am quite new in CFD and my vocabulary is still poor). Why ??? Let...
Forum: OpenFOAM Running, Solving & CFD October 1, 2012, 09:02
Replies: 19
Views: 16,075
Posted By Djub
(picture added on post #4 :...

(picture added on post #4 : http://www.cfd-online.com/Forums/openfoam-solving/106700-dicretization-schemes-les-pitzdaily.html#post383679 )
Forum: OpenFOAM Running, Solving & CFD September 28, 2012, 03:48
Replies: 19
Views: 16,075
Posted By Djub
Thumbs up Thanks !

Thanks a lot Alberto. Your explainations are so simple, accurate and efficient! Respect...
Nevertheless, I am quite surprised because I have been using linearUpwind since some months, and it seems...
Forum: OpenFOAM Running, Solving & CFD September 27, 2012, 04:48
Replies: 19
Views: 16,075
Posted By Djub
Whoua... Let's go: ...

Whoua... Let's go:

constant\polyMesh\blockMeshDict

vertices (
(-1 -.7 0) (-.2 -.7 0) (.2 -.7 0) (1 -.7 0) (3 -.7 0)
(-1 -.05 0) (-.2 -.05 0) (.2 -.05 0) (1 -.05 0) (3...
Forum: OpenFOAM Running, Solving & CFD September 26, 2012, 09:27
Replies: 19
Views: 16,075
Posted By Djub
What do you mean by sharing my case? Do you want...

What do you mean by sharing my case? Do you want all my dictionnaries ?
Forum: OpenFOAM Running, Solving & CFD September 26, 2012, 05:36
Replies: 19
Views: 16,075
Posted By Djub
Hi Owayz, I agree with you: I have red that...

Hi Owayz,
I agree with you: I have red that upWind schemes were "forbidden" in LES cases because thay add viscosity. So I tried to change my scheme, replacing
div(phi,U) Gauss linearUpwindV...
Forum: OpenFOAM Running, Solving & CFD September 6, 2012, 05:25
Replies: 19
Views: 16,075
Posted By Djub
Hi, My divSchemes are Gauss linear in...

Hi,
My divSchemes are Gauss linear in general, but for div(phi,U) which is Gauss linearUpwindV grad(U); . By the way, I don't know why I am using this!!!
What I know is that the spatial schemes...
Showing results 1 to 7 of 7

 
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