AC Currents in the live tissue with one needle electrode - QuickField simulation example
This is an example simulation, used by Professor Bertill Persson in preparation of his publication QuickField modelling of electro-pulse-therapy.
How to find electric field and current density in biological tissue electrodes?
Engineering answer Typical applications Geometry
Given
Task
Results
Engineering question
Set up a plane-parallel QuickField AC Conduction problem for a biological tissue electrode arrangement and evaluate electric field and current density from computed field results.
AC electric circuits, coupled circuit networks, educational circuit examples
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Simulation problem
Problem Type
Plane-parallel problem of AC Conduction.
Electrical conductivity of the tissue is g = 0.35 S/m
Relative electrical permittivity of the tissue is ε = 9500
Frequency f = 60 kHz.
Voltage source U~ = 1 kV (peak), shield is grounded.
Obtain the electric field distribution around the electrode.
Electric field strength RMS magnitude color map
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