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- W2020185229 abstract "In many propagation and scattering problems it is necessary to compute a half-space (for example, water over a seabed) Green’s function for a variety of source/receiver positions. For example, in the boundary integral equation method (BIEM), the kernel of the integral equation involves the Green’s function, and numerically the Green’s function must be evaluated at a large number of source/receiver positions. The distances involved may range from near-field, where the Green’s function will have a singular behavior, to the far-field. In this paper a method from the electromagnetics literature [e.g., Vitebskiy et al., IEEE Trans. Antennas Propag. 44, 143–151 (1996)] is described which reduces the usual wave number integral representation to a small number of image sources with complex positions. This representation is valid over a large range of source/receiver distances and hence is appropriate for efficiently evaluating the Green’s function for many source/receiver positions. Numerical examples are presented illustrating the accuracy of the method for both fluid and elastic seabeds." @default.
- W2020185229 created "2016-06-24" @default.
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- W2020185229 date "2000-11-01" @default.
- W2020185229 modified "2023-09-25" @default.
- W2020185229 title "The use of complex images in acousto‐elastic propagation problems" @default.
- W2020185229 doi "https://doi.org/10.1121/1.4743521" @default.
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