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Modeling electrodes in coductive tissue

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Hi everyone,

I´m trying to model a "communication channel" inside human tissue. A silicon cylinder with a copper electrode on the top and bottom is set up as a transmitter. At a different position, the same setup is used as a receiver. Both transmitter and receiver are inside a big cylinder, with heart tissue properties. The electrodes have fixed potential, since a stationary solution is enough for me.

Now, I want to simulate the potential distribution within the tissue-cylinder. The model should take in account the material properties of the transmitter and receiver.

I tried to move along the default example, like the pacemaker or capacitance example, but I cant really use their approach, because my surrounding domain consists not only of tissue, but a receiver with different material properties as well.

Once I click on study, I can take some probes and get values, but I doubt the physical reliability of these values, since I can´t use the floating potential node on the receiver electrode boundaries, because my license doesnt include that feature.

Another problem are the graphs. I´m not able to get a "solid xy-cut plane", where I can plot the potential distribution of the surrounding tissue. It only gives me the potential distribution for within the transmitter electrode.

Feel free to take a look at my model.

Thank you very much

Best regards

Jonas


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