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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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Smoothing the graph

Posted 17.09.2015, 01:29 GMT-4 Version 4.4 3 Replies

Aamir Qamar
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Hello, could anyone help how to smooth the graph. I have attached the graph that is the derivative of magnetic flux density with respect to phi. I tried my best to make the graph smoother by increasing the number of mesh elements and making the recovery everywhere in the quality section of the point graph it worked alot but still its not completely smooth. The graph is attached...

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3 Replies Last Post 20.09.2015, 07:44 GMT-4
Edgar J. Kaiser Certified Consultant
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Posted: 9 years ago 17.09.2015, 05:24 GMT-4
Hi,

derivatives have a tendency to be noisy. You can try to increase the discretization from quadratic to cubic. This helps sometimes, but of course at the price of higher memory demand and longer computation.

Cheers
Edgar

--
Edgar J. Kaiser
emPhys Physical Technology
www.emphys.com
Hi, derivatives have a tendency to be noisy. You can try to increase the discretization from quadratic to cubic. This helps sometimes, but of course at the price of higher memory demand and longer computation. Cheers Edgar -- Edgar J. Kaiser emPhys Physical Technology http://www.emphys.com
Aamir Qamar
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Posted: 9 years ago 19.09.2015, 23:20 GMT-4
Thanks kaiser, it worked but is there any other way of solving this because its taking too long and sometimes the system stuck....
Thanks kaiser, it worked but is there any other way of solving this because its taking too long and sometimes the system stuck....
Edgar J. Kaiser Certified Consultant
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Posted: 9 years ago 20.09.2015, 07:44 GMT-4

You can try to reduce the mesh resolution.

--
Edgar J. Kaiser
emPhys Physical Technology
www.emphys.com
You can try to reduce the mesh resolution. -- Edgar J. Kaiser emPhys Physical Technology http://www.emphys.com

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