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Forum: OpenFOAM Running, Solving & CFD

September 21, 2012, 02:48

Replies: 39

Fixed heat flux BC in buoyantPimpleFoam

Views: 15,255

Posted By matthi

Hello Socrates, I don`t understand your...

Hello Socrates,

I don`t understand your physical problem and why you need a fixed gradient. May be you could also use a fixed heat flux?
Nevertheless, I have some experience in defining boundary...

Forum: OpenFOAM Running, Solving & CFD

June 15, 2011, 09:48

Replies: 39

Fixed heat flux BC in buoyantPimpleFoam

Views: 15,255

Posted By matthi

Hi Kevin, it should work in both ways (for...

Hi Kevin,

it should work in both ways (for positive and negative gradient). This would be physically and numerically right. Maybe, the code uses somewhere only the absolute value of and nobody...

Forum: OpenFOAM Running, Solving & CFD

June 10, 2011, 09:38

Replies: 39

Fixed heat flux BC in buoyantPimpleFoam

Views: 15,255

Posted By matthi

Hi Chandramurthy, many thanks for your...

Hi Chandramurthy,

many thanks for your reply. I got also an other advice from Aran (see above). He wrote me, that I should govern the laminar heat flux with the temperature gradient (Fourier's...

Forum: OpenFOAM Running, Solving & CFD

June 10, 2011, 05:24

Replies: 39

Fixed heat flux BC in buoyantPimpleFoam

Views: 15,255

Posted By matthi

Setting a variable heat flux for laminar flow

Hello,

I´m relatively new in applying OpenFoam.

My question is if anyone can give me an advice where I have to search if I want to apply a heat flux to walls in case of laminar flows (solver...

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