Discontinuous Galerkin for convective heat transfer problems

Numerical methods and mathematical models of Elmer
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vencels
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Discontinuous Galerkin for convective heat transfer problems

Post by vencels » 13 Aug 2019, 11:14

Hi,

I am trying DG for simple convective heat transfer problem - curved pipe, 2D
Image

Result (temperature dstribution):
Image

Expected result:
Image

Any ideas why this could happen?
Attachments
hexInflation2D.zip
Mesh
(21.25 KiB) Downloaded 3 times
heatSolver-Elmer.sif
Case file
(3.04 KiB) Downloaded 7 times

kevinarden
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Re: Discontinuous Galerkin for convective heat transfer problems

Post by kevinarden » 13 Aug 2019, 15:23

temperature.png
temperature.png (84.98 KiB) Viewed 41 times
case.sif
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vencels
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Re: Discontinuous Galerkin for convective heat transfer problems

Post by vencels » 13 Aug 2019, 17:43

Although it is not Discontinuous Galerkin solution, your solution helped me to find a bug in my viscosity value. I was using kinematic instead of dynamic. Thanks!

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