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capacitor DC stationary solution

Posted 2022年3月17日 GMT-4 04:50 3 Replies

Faezeh Pousaneh
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Hi

I have a capacitor, with dielectric electrical conductivity 10e-14. When I solve electric current study with stationary solution, it seems the solution is not current. Any one has any idea? (but when i run time-dependent it gives correct answer).

3 Replies Last Post 2022年3月17日 GMT-4 09:02
Niklas Rom COMSOL Employee

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Posted: 3 years ago 2022年3月17日 GMT-4 04:57

Hi Faezeh, please send the model to support@comsol.com and we will have a look.

Hi Faezeh, please send the model to support@comsol.com and we will have a look.
Faezeh Pousaneh
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Posted: 3 years ago 2022年3月17日 GMT-4 08:04

I sent Niklas. Thanks

I sent Niklas. Thanks
Jeff Hiller COMSOL Employee

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Posted: 3 years ago 2022年3月17日 GMT-4 09:02
Updated: 3 years ago 2022年3月17日 GMT-4 09:37

Hello Faezeh,

See my comment in this recent thread on how capacitors are typically modeled without including the electrodes in the geometry. My comment on this even older thread may be helpful to understand the underlying reasons.

Best,

Jeff

-------------------
Jeff Hiller
Hello Faezeh, See my comment in [this recent thread](https://www.comsol.com/forum/thread/305051/electric-field-of-capacitor?last=2022-03-14T12:44:57Z) on how capacitors are typically modeled without including the electrodes in the geometry. My comment on this [even older thread](https://www.comsol.com/forum/thread/141001/current-between-to-dissimilar-contacts?last=2017-04-06T06:12:31Z) may be helpful to understand the underlying reasons. Best, Jeff

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