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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 The information provided may be out of date.

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Calculate capacitance measurement between electrodes

Posted 12.03.2012, 07:17 GMT-4 Low-Frequency Electromagnetics, Results & Visualization Version 4.4 4 Replies

Nor Muzakkir Nor Ayob
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Hi,

I have been able to simulate the electrical fields between 2 electrodes when one is given positive potential and the other is grounded.

However, after so much trying i am unable to get the capacitance and voltage values on any points between both electrodes.

Please help me, thank you!
4 Replies Last Post 29.09.2015, 08:47 GMT-4
Alexander Kuznetsov
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Posted: 1 decade ago 12.03.2012, 13:26 GMT-4
This model might help: www.comsol.com/showroom/documentation/model/134/
This model might help: http://www.comsol.com/showroom/documentation/model/134/
Matthias Dzung
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Posted: 9 years ago 28.08.2015, 07:54 GMT-4
Hi I saw your discussion and I want to do exactly the same.

The link you posted doesn't work anymore...

How can I get the capacitance between ground and a certain electrode of interest.

I have 3 electrodes (see figure attached). I want to know the capacity of each electrode with the grounded line on the top of my box.

Would be great if you can help me.
Hi I saw your discussion and I want to do exactly the same. The link you posted doesn't work anymore... How can I get the capacitance between ground and a certain electrode of interest. I have 3 electrodes (see figure attached). I want to know the capacity of each electrode with the grounded line on the top of my box. Would be great if you can help me.
星星 邹
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Posted: 9 years ago 28.09.2015, 22:55 GMT-4
hi, I am doing the same work as yours. Do you already solve your problem?
hi, I am doing the same work as yours. Do you already solve your problem?
Walter Frei COMSOL Employee

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Posted: 9 years ago 29.09.2015, 08:47 GMT-4
Hello,

You may find this example helpful:
www.comsol.com/model/computing-capacitance-12689
Hello, You may find this example helpful: http://www.comsol.com/model/computing-capacitance-12689

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