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Computational Electromagnetics Gallery CSEM Disk Model |
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| Electric field vectors on the seabed (horizontal surface) over a resistive (100 Ohm-m), 4km diameter, 100m thick disk buried 1km below in 1 Ohm-m seds. Seabed and two orthogonal planes intersecting the disk are color-coded with electric field magnitude (log10-V/m) arising from a 1Hz horizontal electric dipole of unit magnitude situated 9km off disk-center to the left (axes given in km). Note the high phase velocity of the electric fields over the disk. |