Analytical solution for the electric potential in arbitrary anisotropic layered media applying the set of Hankel transforms of integer order

Pervago, E.; Mousatov, A.; Shevnin, V.

Авторы: Pervago E., Mousatov A., Shevnin V.
Журнал: Geophysical Prospecting
Том: 54
Год издания: 2006
Издательство: Blackwell Publishing Inc.
Местоположение издательства: United Kingdom
Первая страница: 651
Последняя страница: 661
DOI: 10.1111/j.1365-2478.2006.00555.x
Аннотация: The analytical solution and algorithm for simulating the electric potential in an arbitrarily anisotropic multilayered medium produced by a point DC source is here proposed. The solution is presented as a combination of Hankel transforms of integer order and Fourier transforms based on the analytical recurrent equations obtained for the potential spectrum. For the conversion of the potential spectrum into the space domain, we have applied the algorithm of the Fast Fourier Transform for logarithmically spaced points. A comparison of the modelling results with the power-series solution for two-layered anisotropic structures demonstrated the high accuracy and computing-time efficiency of the method proposed. The results of the apparent-resistivity calculation for both traditional pole-pole and tensor arrays above three-layered sequence with an azimuthally anisotropic second layer are presented. The numerical simulations show that both arrays have the same sensitivity to the anisotropy parameters. This sensitivity depends significantly on the resistivity ratio between anisotropic and adjacent layers and increases for the models with a conductive second layer.
Добавил в систему: Шевнин Владимир Алексеевич

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Analytical solution for the electric potential in arbitrary anisotropic layered media applying the set of Hankel transforms of integer orderстатья

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