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Find Forces on Spindt Tip Gate

Posted 11 nov. 2014, 13:26 UTC−5 Version 4.4 2 Replies

Aaron Quan
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Hi all,

I have modeled a Spindt-type cathode for my lab and would like to evaluate the electrostatic forces acting on the gate of the model. I am having trouble setting up Force Calculation for the Electrostatics module, however, and was wondering if anyone could help me figure it out.

Thanks,

Aaron

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2 Replies Last Post 13 nov. 2014, 00:52 UTC−5
Edgar J. Kaiser Certified Consultant
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Posted: 10 years ago 11 nov. 2014, 15:21 UTC−5
Aaron,

what is the problem?

Cheers
Edgar

--
Edgar J. Kaiser
emPhys Physical Technology
www.emphys.com
Aaron, what is the problem? Cheers Edgar -- Edgar J. Kaiser emPhys Physical Technology http://www.emphys.com
Aaron Quan
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Posted: 10 years ago 13 nov. 2014, 00:52 UTC−5
Hi Edgar,

I am having trouble setting up the Force Calculation for the Electrostatics module on my model. I have tried performing a volume integration of the mechanical force as calculated by the module physics, but any graph I try to render returns '0' values everywhere. Really I am open to any approach as I am not entirely familiar with COMSOL yet.

Thanks for your help!
Hi Edgar, I am having trouble setting up the Force Calculation for the Electrostatics module on my model. I have tried performing a volume integration of the mechanical force as calculated by the module physics, but any graph I try to render returns '0' values everywhere. Really I am open to any approach as I am not entirely familiar with COMSOL yet. Thanks for your help!

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