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Forum: OpenFOAM Running, Solving & CFD

August 26, 2021, 03:21

Replies: 3

Temperature fall under physical value

Views: 654

Posted By HorstvanGrass

Hi, could manage to restrain the influence...

Hi,
could manage to restrain the influence factor.

It's the thermal diffusion which cause the temperature drop:
fvm::laplacian(turbulence.alphaEff(), he)

Using other laplacian scheme seems...

Forum: OpenFOAM Running, Solving & CFD

August 25, 2021, 04:29

Replies: 3

Temperature fall under physical value

Views: 654

Posted By HorstvanGrass

Hi thanks for the response, I'm using only...

Hi thanks for the response,
I'm using only second order numerical schemes as Gauss linear and Crank Nickolson with 0.9 and also cellMDLimited leastSquares 1.0.

Also already using fvOption for...

Forum: OpenFOAM Running, Solving & CFD

August 25, 2021, 03:39

Replies: 3

Temperature fall under physical value

Views: 654

Posted By HorstvanGrass

Temperature fall under physical value

Hi,
I have a multiregion simulation which a Fluid starting around 293K. It is a classical buoyancy problem nothing to serious. However during the calculation process in some cells the temperature...

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