A LOCAL ORTHOGONAL TRANSFORM FOR ACOUSTIC WAVEGUIDES WITH AN INTERNAL INTERFACE

DOI10.1142/S0218396X04002183zbMath1256.76064OpenAlexW2143103933MaRDI QIDQ4659854

Ya Yan Lu, Jian-Xin Zhu

Publication date: 21 March 2005

Published in: Journal of Computational Acoustics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1142/s0218396x04002183

zbMATH Keywords

Helmholtz equationlocal orthogonal transformacoustic waveguideinternal interfaceone-way reformulation

Mathematics Subject Classification ID

Hydro- and aero-acoustics (76Q05) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Numerical methods for partial differential equations, boundary value problems (65N99)

Related Items (9)

An operator marching method for inverse problems in range-dependent waveguides ⋮ Error analysis for the operator marching method applied to range dependent waveguides ⋮ Marching schemes for inverse scattering problems in waveguides with curved boundaries ⋮ Fast computation of wave propagation in the open acoustical waveguide with a curved interface ⋮ The inverse fundamental operator marching method for Cauchy problems in range-dependent stratified waveguides ⋮ Marching schemes for Cauchy wave propagation problems in laterally varying waveguides ⋮ VALIDITY OF ONE-WAY MODELS IN THE WEAK RANGE DEPENDENCE LIMIT ⋮ Mathematical treatment of wave propagation in acoustic waveguides with \(n\) curved interfaces ⋮ A coupled marching method for Cauchy problems of the Helmholtz equation in complex waveguides

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