1.7.x -> buoyantPimpleFoam -> hRhoThermo -> incompressible and icoPoly3ThermoPhysics? -- CFD Online Discussion Forums

December 16, 2010, 08:08

1.7.x -> buoyantPimpleFoam -> hRhoThermo -> incompressible and icoPoly3ThermoPhysics?

will.logie

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Will Logie

Join Date: Sep 2010

Location: ANU, Canberra, Australia

Posts: 21

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Recently (see git) Henry made some changes to the chtMultiRegionFoam solver (and presumably a little earlier to basic thermophysicalModels) such that liquids could be modelled. I thought I'd road test the changes to basicRhoThermo and hRhoThermo (icoPoly3ThermoPhyiscs) in a buoyantPimpleFoam example but have ended up rather confused (see attached case).

Firstly, I was wondering if anyone could tell me where the buoyancy comes from when hRhoThermo<...<...<incompressible>>> is used (if density remains constant)?

And secondly, given use of the icoPoly3ThermoPhysics, how on earth might I get this example to provide me with believable results? I'd be well chuffed...

Cheers,
Will.

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