Essential is the numerical solution of the relevant partial differential equations (Maxwell’s equations, etc.) with the finite element method to determine the desired quantities, particularly the electric [...] distribution. For the electrical parameters of the biological tissues, primarily parameterized relaxation models are employed. As already started on a pilot basis in the first funding period of the Collaborative [...] used in the project. Electrical and electrochemical effects at the electrode-tissue interface, which depend on the selected type of stimulation, are employed through equivalent circuit models. In the first
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