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- W2622474888 abstract "In the context of room-acoustic simulations, diffractions on obstacles with edges still post challenges. In order to create an efficient and accurate room acoustic simulation, this work focuses on solutions of diffraction on finite wedges. The solutions are based on the physical theory of diffraction [P. Ya. Ufimtsev, J. Acoust. Soc. Am. 120, 631-635 (2006)]. A detailed discussion on integral and asymptotic expressions for the diffracted field radiated by secondary wedge sources will help elaborate problem-solving strategies with the grazing incidence for exact and asymptotic solutions of wedge fields. Due to the fact that the computational load of an asymptotic solution is of orders of magnitude more efficient than that of the exact solution using the physical diffraction theory, any possible ways of reducing asymptotic errors without significantly increasing computational load will be critically important in practical room-simulations. This paper will discuss implementation based on the physical theory of diffraction. For some canonical wedge configurations, this paper will also elaborate on asymptotic errors as a function of incident source distance and direction." @default.
- W2622474888 created "2017-06-15" @default.
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- W2622474888 date "2017-05-01" @default.
- W2622474888 modified "2023-10-18" @default.
- W2622474888 title "Secondary surface sources at rigid wedges based on the physical theory of diffraction" @default.
- W2622474888 doi "https://doi.org/10.1121/1.4988334" @default.
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