I want to solve the flow in the region showed in the attached Fig. using Ansys, Comsol, or OpenFoam. The problem consists of solid body conducting heat between rarefied region and normal flow region. The boundaries subjected to heat flux, temperature, and insulated wall. The problem is time dependent. Thanks for any reply.
Hello,
This is an OPENFOAM Tutorial that could be useful for your problem.
https://www.openfoam.com/documentation/guides/latest/doc/verification-validation-heat-transfer-buoyant-cavity.html
I think you can solve this problem using COMSOL coupling the laminar flow and the heat transfer in fluids flow feature using the Nonisothermal Flow multiphysics, as shown in my example here (download .gif).
That's a standard conjugate heat transfer problem, you can use in COMSOL SPF+HT.
Regards
Thanks for all answers, but the problem that I need to solve contains an evacuated region beside the solid one.
You can go for modelling of multi region flow in any of the three software
- In OpenFOAM there is a multi region solver which you can directly use for your problem
- In COMSOL you can follow the suggestion of Luigi Candido and define the material properties of each region one by one.
- As for Ansys, it also has the option of conjugate modelling which you can employ for your problem.
As for your issue with regions, you can define it based on the material properties and boundary interaction involved for them such as for air - low thermal conductivity and density etc.
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