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Calculate the effective thermal conductivity

Hi, im very new in Comsol and its my first post here, so if you need more information for saving my problem just let me know. I want to calculate the effective thermal conductivity of a tank containing...

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Re: Calculate the effective thermal conductivity

Hi Kevin, You have not attached your file. What do you mean by 'the simulation does not work'? Do you get some error message? Don't you get the expected results?

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Re: Calculate the effective thermal conductivity

Oh i'm sorry, I was sure i attached it, but know you will get it :) I hope its ok that it is on German. The problem is that the simulation is not converged.

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Re: Calculate the effective thermal conductivity

Instead of 'offener rand' I would use a fixed 'temperature' node (probably 'Temperatur' in German?), and instead of 'Einströmender Wärmefluss' I would use a normal 'Heat Flux' node (probably just...

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