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Finite difference modelling of scattering by objects in the seabed

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Abstract
In this report we describe the theory and some implementation issues of a finite difference code used at SACLANT Centre. In particular, we consider the modelling of attenuation and the excitation of a remote incident field by using Huygen's sources. A series of comparisons of finite difference results with analytical results is performed. The report concludes with a series of computations of scattering of a generalized plane wave from a buried cylinder where the transmitted portion of the generalized plane wave is evanescent. An example of time-reversed propagation of a scattered field is also given.

URI
http://hdl.handle.net/20.500.12489/365

Report Number
SR-256

Collections
  • Technical Reports

Date
1996/07

Author(s)
Fawcett, John A.
; 
Grimbergen, Joris L. T.

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SR-256-UU.pdf (6.239Mb)

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