Abstract
The chapter considers the problem of wave scattering on finite wedge-shaped objects (a sharp and a rounded wedge) in the presence of surfaces of large wave sizes. A rigorous solution to the problem is constructed. For the sharp wedge model, two variants of field conjugation are calculated: the root mean square approximation and the conjugation by points of fields. A high degree of coincidence between the results of calculations in the two variants is shown. The full, backscattering, and two-position scattering cross sections are calculated. It is shown that the reverse scattering cross section significantly depends on the radius of the edge rounding and the normal conductivity of the rounding surface. At the same time, coating the rounded part of the wedge with an absorbing material significantly reduces the reflectivity of the object at the corresponding angles of incidence of the wave.
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Grinchenko, V., Vovk, I., Husak, V., Matsypura, V. (2023). Wave Scattering on Finite Wedge-Shaped Objects. In: Guz, A.N., Altenbach, H., Bogdanov, V., Nazarenko, V.M. (eds) Advances in Mechanics. Advanced Structured Materials, vol 191. Springer, Cham. https://doi.org/10.1007/978-3-031-37313-8_9
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DOI: https://doi.org/10.1007/978-3-031-37313-8_9
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