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  • Title: Two-dimensional SPICE-linked multiresolution impedance method for low-frequency electromagnetic interactions.
    Author: Eberdt M, Brown PK, Lazzi G.
    Journal: IEEE Trans Biomed Eng; 2003 Jul; 50(7):881-9. PubMed ID: 12848356.
    Abstract:
    A multiresolution impedance method for the solution of low-frequency electromagnetic interaction problems typically encountered in bioelectromagnetics is presented. While the impedance method in its original form is based on the discretization of the scattering objects into equal-sized cells, our formulation decreases the number of unknowns by using an automatic mesh generation method that does not yield equal-sized cells in the modeling space. Results indicate that our multiresolution mesh generation scheme can provide a 50%-80% reduction in cell count, providing new opportunities for the solution of low-frequency bioelectromagnetic problems that require a high level of detail only in specific regions of the modeling space. Furthermore, linking the mesh generator to a circuit simulator such as SPICE permits the addition of arbitrarily complex passive and active circuit elements to the generated impedance network, opening the door to significant advances in the modeling of bioelectromagnetic phenomena.
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