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- W2586083371 abstract "Green's functions represent the scattering behaviour of a particulargeometry and are required to propagate acoustic disturbances throughcomplex geometries using integral methods. The versatility of existingintegral methods of acoustic propagation may be greatly increasedby using numerical Green's functions computed for more general geometries.We investigate the use of the Sinc-Galerkin method to compute Green'sfunctions for the Helmholtz equation subject to homogeneous Dirichletboundary conditions. We compare the results to a typical boundaryelement method implementation. The Sinc-Galerkin procedure demonstratesimproved performance on a number of configurations tested in comparisonto the BEM. In particular, accuracy comparable to BEM can be achievedin far less time while being less sensitive to both frequency andsource position, although the BEM captures the tip of the singularitymore completely. The characteristic exponential convergence, as expected,is slower than many Sinc-Galerkin applications due to the presenceof the domain singularity typical of Green's functions." @default.
- W2586083371 created "2017-02-17" @default.
- W2586083371 creator A5017690416 @default.
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- W2586083371 date "2014-06-01" @default.
- W2586083371 modified "2023-09-25" @default.
- W2586083371 title "Acoustic Green's functions using the Sinc-Galerkin method" @default.
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