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Forum: OpenFOAM Community Contributions

December 11, 2013, 15:08

Replies: 7

[swak4Foam] time-dependent inletOutlet with groovyBC?

Views: 2,368

Posted By gschaider

U we've already got covered I think. p...

U we've already got covered I think.

p shouldn't be a big problem either. The catch is that you've got to specify the total pressure as an expression. You can't use the readymade BC

Forum: OpenFOAM Community Contributions

November 4, 2013, 19:08

Replies: 7

[swak4Foam] time-dependent inletOutlet with groovyBC?

Views: 2,368

Posted By gschaider

I'd say the second one. I'm not quite sure what...

I'd say the second one. I'm not quite sure what your problem is: the meaning of the ?:-operator or fractionExpression. Because if you understand these two it should be quite clear

Forum: OpenFOAM Community Contributions

October 30, 2013, 05:18

Replies: 7

[swak4Foam] time-dependent inletOutlet with groovyBC?

Views: 2,368

Posted By gschaider

That depends on your physics. But any switching...

That depends on your physics. But any switching here can be done in a similar fashion (of course you can use Un inside a pressure condition as well)

Forum: OpenFOAM Community Contributions

October 29, 2013, 11:08

Replies: 7

[swak4Foam] time-dependent inletOutlet with groovyBC?

Views: 2,368

Posted By gschaider

Yep. Assuming you have a timeline Un defined ...

Yep. Assuming you have a timeline Un defined

valueExpression "-normal()*Un";
fractionExpression "Un<0 ? 0 : 1";

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