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Subdomain integration in Comsol Script
Posted 2009年6月26日 GMT+2 22:275 Replies
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How do you do subdomain integration in comsol script. I just want to find integral of u over one subdomain.
5 Replies
Last Post 2009年7月1日 GMT+2 14:23
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Posted:
2 decades ago
Why don't you use GUI > Postprocessing > Subdomain Integration and input u as a parameter.
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Posted:
2 decades ago
Why don't you use GUI > Postprocessing > Subdomain Integration and input u as a parameter.
Thanks, but can't use GUI because I need to repeat the calculation several times with different model parameters and integrate the solution u for each iteration and store it for further processing/analysis. That's why I need to use Comsol Script.
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Posted:
2 decades ago
Sorry may be I'm wrong,
but you can for example use parametric analysis, then plot your u (in subdomain integration) and then save data from plot.
but you can for example use parametric analysis, then plot your u (in subdomain integration) and then save data from plot.
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Posted:
2 decades ago
How do you do subdomain integration in comsol script. I just want to find integral of u over one subdomain.
The standard trick:
Use the GUI, calculate the integral from the postprocessing menu.
Save the model as an .m-file.
Open the m-file and see what happened in the end of the file.
You should find a line containing the 'postint' command. The syntax is pretty straightforward look in the manual fort more details.
As I said, whatever command corresponding to the "GUI buttons" could be found this way.
regards Nisse
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Posted:
2 decades ago
Thanks Nisse,
yes, I tried what you recommended and works. My final implementation was even simpler and more flexible using the postint command.
Cheers
yes, I tried what you recommended and works. My final implementation was even simpler and more flexible using the postint command.
Cheers
How do you do subdomain integration in comsol script. I just want to find integral of u over one subdomain.
The standard trick:
Use the GUI, calculate the integral from the postprocessing menu.
Save the model as an .m-file.
Open the m-file and see what happened in the end of the file.
You should find a line containing the 'postint' command. The syntax is pretty straightforward look in the manual fort more details.
As I said, whatever command corresponding to the "GUI buttons" could be found this way.
regards Nisse