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- W2000704859 abstract "A steady-state 3D finite-element software called FESTA (Finite-Element STructural Acoustics), is being developed at the NATO Undersea Research Centre. The code is geared towards a variety of applications in underwater acoustics, such as multistatic scattering from localized inhomogeneities, scattering across interfaces between fluids and/or solids, and multistatic scattering from single and multiple fluid-loaded elastic targets. One issue of importance to researchers in underwater acoustics is the trade-off between full 3D models and thin-shell theory. To address this issue, FESTA results are compared to results from thin-shell scattering codes for cylindrical bodies with spherical endcaps. Another part of the work focuses on the integration of the finite-element tool with underwater propagation tools for the computation of multistatic scattering from targets buried, partially buried or proud inside shallow-water waveguides. To achieve this, FESTA is coupled to the MIT underwater propagation tool OASES. One method of interfacing FESTA to OASES is based on an environment-independent characterization of the target via in vacuo response matrices. Recent results from response matrix computations are presented and trade-offs of this method are discussed." @default.
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- W2000704859 date "2004-05-01" @default.
- W2000704859 modified "2023-10-17" @default.
- W2000704859 title "Progress in hybrid finite‐element/propagation tool modeling of scattering from objects in underwater waveguides" @default.
- W2000704859 doi "https://doi.org/10.1121/1.4784286" @default.
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