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Maximum Temperature plot

I'm trying to plot the value of the maximum Temperature in a subdomain during a transient event. Any suggestions on how to do this?.

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Re: Maximum Temperature plot

Hi I would try to make an Options Expressions Sub-domain Expression" with a name like "Tmax" with the expression "max(T)" over the specific subdomain, and then plot this value for all times, once...

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Re: Maximum Temperature plot

I tried that with no success. As far as I can tell from comsol documentation the max() function only returns the maximum value of a list of arguments i.e. max(0,2) returns 2. It does not evaluate the...

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Re: Maximum Temperature plot

Hi It's correcct, tried it too, sorry for giving wrong ideas. I tried a min/max plot, and looked into the "history file, but COMSOL is using a special feature of postplot:...

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Re: Maximum Temperature plot

Hi I did sleep over the challenge, but havnt found any better idea. Now there is one trick I use to highlight extrema on a surface plots, I use the expression T*((Tx^2+Ty^2)<Tlim) where Tx and Ty...

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Re: Maximum Temperature plot

Response from COMSOL support: This is unfortunatley not possible in the current release. It will be included in the coming release, COMSOL Multiphysics 4.0, where a coupling variable, similar to the...

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Re: Maximum Temperature plot

Can you provide a little more detail on how to get the temporal maximum in 4.0a? I have been playing with this but can only get spatial maximum with the coupling variable so far.

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Re: Maximum Temperature plot

Hi you have specific min max operators in V4 check with a right click two levels below under "Definitions ..." -- Good luck Ivar

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Re: Maximum Temperature plot

Hi you have specific min max operators in V4 check with a right click two levels below under "Definitions ..." -- Good luck Ivar Hi Ivar, But how can we get the spatial positions (x,y) of these max or...

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Re: Maximum Temperature plot

Hi my first reply would be: use matlab, but check the doc, not sure how it is in V4 -- Good luck Ivar

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Re: Maximum Temperature plot

Worked on this some more today. It appears that the maximum coupling operator and the maximum evaluation are both used for resolving the maximum over a spatial or geometric domain. This is clear in the...

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Re: Maximum Temperature plot

I have no idea why the functions max() and min() would have to disappear. I am working on Comsol 3.5a, and remember that I used it in most previous versions with satisfaction. This time around lost a...

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Re: Maximum Temperature plot

Hello! I don't know if you have several subdomains. My model have 6 subdomains and I want to get the Tmax value and its coordinate of each subdomain. But when I use [Tmax...

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