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Search took 0.00 seconds. Search: Posts Made By: Kutti
Forum: OpenFOAM October 11, 2009, 08:37
Replies: 16
Views: 6,378
Posted By Kutti
hi there sorry for not writing for a long...

hi there

sorry for not writing for a long time....

@mugsy: changing delta t? it's steadystate....as far as i think this doesn't have any affect at all? am i wrong?


so after a lot of...
Forum: OpenFOAM September 24, 2009, 11:26
Replies: 16
Views: 6,378
Posted By Kutti
no no patch types are set correctly ;) ok I...

no no patch types are set correctly ;)

ok I try something with my fvschemes...maybe there was an error....if doesn't help i try with a uniform inlet velocity....I'll post my expercience here...
Forum: OpenFOAM September 24, 2009, 10:53
Replies: 16
Views: 6,378
Posted By Kutti
hey....sure....here they are...and .csv file used...

hey....sure....here they are...and .csv file used for U, k, epsilon

regards
Forum: OpenFOAM September 24, 2009, 10:18
Replies: 16
Views: 6,378
Posted By Kutti
mh ...thanks for your help! but solution...

mh ...thanks for your help!

but solution doesn't make any sense at all.....
Pressure should be Positive, less than 1 bar....

when viewing in Paraview the Velocitiy at the Outlet ist always 0!...
Forum: OpenFOAM September 24, 2009, 06:49
Replies: 16
Views: 6,378
Posted By Kutti
Hey santos, Residuals which I got before...

Hey santos,


Residuals which I got before I used InletOutlet are attached ....
now the Residuals and Masslflow and velocity in 4 test points are looking good...looks like it converged....(until...
Forum: OpenFOAM September 23, 2009, 06:48
Replies: 16
Views: 6,378
Posted By Kutti
Hey Santos, thank you very much for the...

Hey Santos,

thank you very much for the advice. I will give it a try ...

Can you explain me why It's better to switch between this Neumann BC (zeroGradient) and Diriclet BC (fixedValue) with...
Forum: OpenFOAM September 23, 2009, 06:01
Replies: 16
Views: 6,378
Posted By Kutti
ok no problem, thanks for your advice. more...

ok no problem, thanks for your advice.

more information:

Also tried playing with nonOrthogonalCorrectors: tried 1, 5, 15....takes a lot of time, and Pressure Residual is jumping...

hight of...
Forum: OpenFOAM September 23, 2009, 05:09
Replies: 16
Views: 6,378
Posted By Kutti
Convergence Problems SimpleFOAM

hi

I'm more or less new to OpenFoam but I am doing a simulation of a Kaplan hydraulic machine at my University

Right now I'm just working with the guide vanes and my first step is that I wand...
Showing results 1 to 8 of 8

 
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