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Problems with resistivity in the AC/DC Module in COMSOL 5.0

Posted 27.08.2015, 17:13 GMT-4 Low-Frequency Electromagnetics Version 5.0 0 Replies

Saymon Grauppe
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Hi,

I'm trying to simulate a current passing through a cylindrical grounding rod of 15cm of lengthburied in the ground. When I apply a potential equivalent to the current already applied previously, the impedance value changes. Attached got the distinct problem in two files "Test1 - Current" and "Test1 - Potential".
Interestingly, when I change the cylindrical ground rod to a spherical model, the simulations are performed seamlessly without changing the impedance.

Thanks,

Saymon
0 Replies Last Post 27.08.2015, 17:13 GMT-4
COMSOL Moderator

Hello Saymon Grauppe

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