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Forum: OpenFOAM Programming & Development

September 28, 2012, 15:14

Replies: 6

simple doubt grad function

Views: 1,174

Posted By kmooney

I'm not very experienced with period BC's in...

I'm not very experienced with period BC's in foam. Sorry I can't help.

Forum: OpenFOAM Programming & Development

September 28, 2012, 14:49

Replies: 6

simple doubt grad function

Views: 1,174

Posted By kmooney

I believe, physically, slip means there is no...

I believe, physically, slip means there is no shear stress at the wall. It creates a no penentration, zero-tangential gradient condition. Just google around, you'll be able to figure it out in...

Forum: OpenFOAM Programming & Development

September 28, 2012, 14:28

Replies: 6

simple doubt grad function

Views: 1,174

Posted By kmooney

Wouldn't the 'slip' boundary condition give you...

Wouldn't the 'slip' boundary condition give you the zero normal flux condition you're looking for?

If you you don't need to write any new code.

Forum: OpenFOAM Programming & Development

September 28, 2012, 14:25

Replies: 6

simple doubt grad function

Views: 1,174

Posted By kmooney

I believe the fvc::grad operator only works on...

I believe the fvc::grad operator only works on geometricFields. If you're operating on a boundary you might have to manually calculate your zeroGradient condition which would be a function of the...

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