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externalWallHeatFluxTemperature in internal void.

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Old   April 21, 2014, 16:28
Default externalWallHeatFluxTemperature in internal void.
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Derek Mitchell
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Looking to have a heat source in my model but this is a little difficult in CHTmultiregionfoam. Some have modified the solver to add Joule heating. But there is now externalWallHeatFluxTemperature in openfoam 2.3.
My idea is to have a void in the the mesh(an unmeshed volume not a region) that is effectively "outside" in the terms of the model but is inside a solid.. This should alllow externalWallHeatFluxTemperature to be used and thus provide a heating source in terms of heat flux.
This is just an intermediate step in trying to learn how to fly this thing and study how the cavities and substances interact before developing "Honeybee" thermofluid general equations and of course a solver.
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Old   April 24, 2014, 06:03
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Derek Mitchell
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it didnt work ... now to try naming the void and then making the face have externalwallheatfluxtemperature
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Old   April 25, 2014, 14:43
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Derek Mitchell
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Cracked it ... a solid region inside a solid region with both both boundaries using externalWallHeatFluxTemperature with the heatflux having opposite signs in each region. The inner region chills as the outer region heats. Thus a fixed heat flow without modifying the solver!!!
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