I have a heat transfer problem that the wall temperature varies by time. The wall temperature is also a variable in boundary condition {hA(Tw-Tf)}. How can I define the wall temperature as a variable which varies by time in comsol?
Thank you
I have a solid in a liquid and l want to caculate T of the solid over time. But at the boundary the condition is {hA(Tw-Tf)} which T wall is calculated by solver over time.
l have to define T wall as a variable and the T is calculated by Comsol over time for entire geometry
It is a bit unclear to me what are you trying to do. Why for T_wall the T has to be calculated over the entire geometry? To my understanding, you have a varying heat flux condition and variation is a function of time. What is the function? If your wall heat flux depends on the temperature in the domain then it is not a time dependent varying wall heat flux boundary condition. Could you post a schematic of the problem with all the boundary condition?
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