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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 The information provided may be out of date.

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Stress Plot Formation

Posted 26.11.2011, 18:57 GMT-5 Results & Visualization Version 3.5a, Version 4.0, Version 4.0a, Version 4.1, Version 4.2, Version 4.2a 4 Replies

Theodore Baltis
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When I go to plot stresses, does Comsol use nodal averaging or are these stresses element-based? Can I choose which to use?

Thank you in advance,
Theodore
4 Replies Last Post 28.11.2011, 11:13 GMT-5
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 27.11.2011, 14:54 GMT-5
Hi

check the doc, you have many sress elements for different cases

--
Good luck
Ivar
Hi check the doc, you have many sress elements for different cases -- Good luck Ivar
Theodore Baltis
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Posted: 1 decade ago 27.11.2011, 15:58 GMT-5
Hi Ivar,

I've been reading through the documentation for a while and cannot find anything. Can you explain what you mean by "many stress elements for different cases"?

Thank you,
Theodore
Hi Ivar, I've been reading through the documentation for a while and cannot find anything. Can you explain what you mean by "many stress elements for different cases"? Thank you, Theodore
Nagi Elabbasi Facebook Reality Labs
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Posted: 1 decade ago 27.11.2011, 23:07 GMT-5
The default stress plot is nodal averaged or “Smoothed”. You can change that to element based by setting Smoothing=None in the Quality tab of the result plot. COMSOL also has a more accurate stress recovery algorithm, based on the superconvergent patch recovery technique, which you can activate by selecting Recover=”Within domains”, also in the Quality tab.

Nagi Elabbasi
Veryst Engineering
The default stress plot is nodal averaged or “Smoothed”. You can change that to element based by setting Smoothing=None in the Quality tab of the result plot. COMSOL also has a more accurate stress recovery algorithm, based on the superconvergent patch recovery technique, which you can activate by selecting Recover=”Within domains”, also in the Quality tab. Nagi Elabbasi Veryst Engineering
Theodore Baltis
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Posted: 1 decade ago 28.11.2011, 11:13 GMT-5
Thank you Nagi. That helped tremendously. I knew it was in there somewhere.

-Theodore
Thank you Nagi. That helped tremendously. I knew it was in there somewhere. -Theodore

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