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Finding the average on a cut plane

Posted 11 juil. 2011, 05:41 UTC−4 Version 4.1 4 Replies

Asghar Joolia
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Hello,

I have a geometry on 2D which I have extruded by 0.02m. Now i want to know the average of the temperature at 0.01m. I know I can use the cut plane feature to get the plane but can anybody help me on how to get the average temperature on that cross section?

Thanks,
Asghar
4 Replies Last Post 11 juil. 2011, 07:00 UTC−4
Edgar Kaiser
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Posted: 1 decade ago 11 juil. 2011, 06:01 UTC−4
Hi,

I would suggest to integrate across the plane and divide by the area.

Cheers Edgar
Hi, I would suggest to integrate across the plane and divide by the area. Cheers Edgar
Asghar Joolia
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Posted: 1 decade ago 11 juil. 2011, 06:21 UTC−4
Hi,

Thanks for your reply. I'm a beginner on comsol. Sorry if this sounds amateur. After getting the cut plane, how do I integrate along it to get the average temperature?

Regards,
Asghar
Hi, Thanks for your reply. I'm a beginner on comsol. Sorry if this sounds amateur. After getting the cut plane, how do I integrate along it to get the average temperature? Regards, Asghar
Edgar Kaiser
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Posted: 1 decade ago 11 juil. 2011, 06:38 UTC−4
In the Results section under Derived Values add a surface integration node, select the surface you want to integrate across and the expression you want to integrate.
In the Results section under Derived Values add a surface integration node, select the surface you want to integrate across and the expression you want to integrate.
Asghar Joolia
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Posted: 1 decade ago 11 juil. 2011, 07:00 UTC−4
Hello,

Thanks for your help. I have got the average temperature in m^2*K. Now I need the area which is quite complicated to calculate. Does comsol have any function which calculates the area?

Can I use the average function to do the same thing? But what I have seen is that to use the average function, I have to compute the solution again. Is that true?

Thanking You,
Asghar
Hello, Thanks for your help. I have got the average temperature in m^2*K. Now I need the area which is quite complicated to calculate. Does comsol have any function which calculates the area? Can I use the average function to do the same thing? But what I have seen is that to use the average function, I have to compute the solution again. Is that true? Thanking You, Asghar

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