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Forum: OpenFOAM

February 17, 2011, 01:29

Replies: 20

nut values

Views: 10,083

Posted By asharma

Yes the value turns into uniform after about 1200...

Yes the value turns into uniform after about 1200 sec into the simulation. I realized there was no point is actually specifying the nut values at the inlet , and as I anyway specify my u,k and...

Forum: OpenFOAM

February 13, 2011, 23:31

Replies: 20

nut values

Views: 10,083

Posted By asharma

Hmm my nut values dont seem to be changing with...

Hmm my nut values dont seem to be changing with time.. here's my nuTwrite file 100 sec into my simulation....

/*--------------------------------*- C++ -*----------------------------------*\
|...

Forum: OpenFOAM

February 11, 2011, 00:40

Replies: 20

nut values

Views: 10,083

Posted By asharma

Yes i've been using the same boundary conditions,...

Yes i've been using the same boundary conditions, except for my inlet which i calculate using groovyBC to account for parabolic profile. Well it worked!! i changed nuTWrite = turbulence->nut(); to...

Forum: OpenFOAM

February 10, 2011, 00:14

Replies: 20

nut values

Views: 10,083

Posted By asharma

Here's my createfields.H file on my modified...

Here's my createfields.H file on my modified pisofoam model:-
Info<< "Reading field p\n" << endl;
volScalarField p
(
IOobject
(
"p",
...

Forum: OpenFOAM

February 9, 2011, 06:06

Replies: 20

nut values

Views: 10,083

Posted By asharma

nuTwrite = turbulence->nut(); asks the values of...

nuTwrite = turbulence->nut(); asks the values of nut to be written to the file called nuTwrite right? interestingly the code doesn't crash if i dont have the values written to the file? I've tried...

Forum: OpenFOAM

February 8, 2011, 05:02

Replies: 20

nut values

Views: 10,083

Posted By asharma

i re-complied my files but this time i omitted...

i re-complied my files but this time i omitted the updation statement to nuTwrite ie:
turbulence->correct();
//nuTwrite = turbulence->nut();

my simulation works fine now, but i still don't see...

Forum: OpenFOAM

February 8, 2011, 01:26

Replies: 20

nut values

Views: 10,083

Posted By asharma

I've based my modified solver on pisofoam, to...

I've based my modified solver on pisofoam, to incorporate scaler transport equation. I had a look through my createfields.H file again and like you said, turbulence is declared as:
...

Forum: OpenFOAM

February 7, 2011, 01:56

Replies: 20

nut values

Views: 10,083

Posted By asharma

Hello Marco, Thanks for the prompt reply. As...

Hello Marco,
Thanks for the prompt reply. As suggested i included another field in the createfields.h file, but when i try to compile it, it gives me the following error...

What am i doing...

Forum: OpenFOAM

February 4, 2011, 01:47

Replies: 20

nut values

Views: 10,083

Posted By asharma

nut values

Hi Foamers,

I've noticed something unusal in my pisoFoam turbulent simluation, i've been though a couple of other threads regarding relevance of nut and nutilda values, however still not clear in ...

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