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Usage of InternalHeatSource in PDE toolbox

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Ruben
Ruben on 3 Jul 2019
Closed: MATLAB Answer Bot on 20 Aug 2021
Dear community,
I'm trying to simulate the heat transfer behaviour of a layer stack of materials where one of the inner layers is a metal which is heated by the flow of current. The heater material is thinner than the others so it's inside (wrapped by) the whole geometry which is made of rectangles.
I'm trying to use internalHeatSource to generate the heat inside the geometry but the obtained result has no sense. In the following commands you can see how I have used it. The bottom edge of the layers is at 25ºC. No matter the value specified for the source, the result is always around 25ºC.
thermalBC(obj.tm_SS,'Edge',e_bot,'Temperature',25);
if (obj.TransientState == 0)
%thermalBC(obj.tm_SS,'Edge',e_h_top,'HeatFlux',100);
internalHeatSource(obj.tm_SS,500,'Face',2)
elseif (obj.TransientState == 1)
thermalBC(obj.tm_SS,'Edge',e_h_top,'HeatFlux',@fn_HeatFluxTransient);
end
Has anyone used InternalHeatSource for a similar purpose? Could you give any advise?
Thank you in advance for your help.

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