Impedance boundary conditions for acoustic time‐harmonic wave propagation in viscous gases in two dimensions

DOI10.1002/mma.8249zbMath1529.35140OpenAlexW4220738356MaRDI QIDQ6087602

Kersten Schmidt, Anastasia Thöns-Zueva

Publication date: 12 December 2023

Published in: Mathematical Methods in the Applied Sciences (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/mma.8249

zbMATH Keywords

asymptotic expansionsimpedance boundary conditionssingularly perturbed PDEacoustics wave propagation

Mathematics Subject Classification ID

Asymptotic behavior of solutions to PDEs (35B40) Boundary value problems for second-order elliptic equations (35J25) PDEs in connection with fluid mechanics (35Q35) Asymptotic approximations, asymptotic expansions (steepest descent, etc.) (41A60) Asymptotic expansions of solutions to PDEs (35C20) Hydro- and aero-acoustics (76Q05)

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