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Forum: OpenFOAM Community Contributions

June 5, 2013, 05:50

Replies: 11

[swak4Foam] whats wrong with this groovyBC expression in parenthesis?

Views: 1,777

Posted By immortality

thanks so much. a lateral question from your...

thanks so much.
a lateral question from your example!:D
I use max(pos().y) for example.whats the difference between function max and function maxPosition?

Forum: OpenFOAM Community Contributions

June 1, 2013, 05:00

Replies: 11

[swak4Foam] whats wrong with this groovyBC expression in parenthesis?

Views: 1,777

Posted By immortality

i think this error was on Sf() .it should have...

i think this error was on Sf() .it should have been mag(Sf()) and when i noticed and corrected it,no error displayed.
Anyway i understand what you said about the error but I still think the error...

Forum: OpenFOAM Community Contributions

May 31, 2013, 18:06

Replies: 11

[swak4Foam] whats wrong with this groovyBC expression in parenthesis?

Views: 1,777

Posted By immortality

Bernhard do you mean it should display an error...

Bernhard do you mean it should display an error on 'I'?I have defined it as a constant why do you say so?
yes that was for a somewhat bad BC.
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and if should report,I have to speak about...

Forum: OpenFOAM Community Contributions

May 31, 2013, 14:22

Replies: 11

[swak4Foam] whats wrong with this groovyBC expression in parenthesis?

Views: 1,777

Posted By immortality

thanks dear Bernard. I wrote it...

thanks dear Bernard.
I wrote it as:valueExpression "1.5*sqr(I*sum(mag(U.x)*mag(Sf()))/sum(mag(Sf())))";
and doen't show an error on the expression although the run crashes after some(around 12)...

Forum: OpenFOAM Community Contributions

May 31, 2013, 13:41

Replies: 11

[swak4Foam] whats wrong with this groovyBC expression in parenthesis?

Views: 1,777

Posted By immortality

Hi 'I' is a constant defined in variables equal...

Hi
'I' is a constant defined in variables equal to .05 according to turbulent kinetic energy formula k=1.5 \, {(l \, I \,U)}^{2} .why OF assumes it as a tensor?for its capital form?

Forum: OpenFOAM Community Contributions

May 30, 2013, 15:17

Replies: 11

[swak4Foam] whats wrong with this groovyBC expression in parenthesis?

Views: 1,777

Posted By immortality

whats wrong with this groovyBC expression in parenthesis?

valueExpression "1.5*sqr(I*sum(mag(U.x)*Sf())/sum(Sf()))";
Selecting turbulence model type RASModel
Selecting RAS turbulence model kOmegaSST
kOmegaSSTCoeffs
{
alphaK1 0.85034;
alphaK2 ...

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