Scattering by a hybrid asymptotic/finite element method

DOI10.1016/S0045-7825(98)00051-6zbMath0962.76044MaRDI QIDQ1971155

Ofer Michael, Joshua M. Montgomery, Isaac Harari, Paul E. Barbone

Publication date: 13 June 2001

Published in: Computer Methods in Applied Mechanics and Engineering (Search for Journal in Brave)

zbMATH Keywords

interpolationvariational principleHelmholtz equationacoustic fieldartificial boundarylarge wavenumbersdiffraction by truncated wedgehybrid asymptotic/finite element methodinner fieldouter fieldradiation by source on wave bearing surfaceshort wavelength asymptotic expansion

Mathematics Subject Classification ID

Asymptotic methods, singular perturbations applied to problems in fluid mechanics (76M45) Hydro- and aero-acoustics (76Q05) Finite element methods applied to problems in fluid mechanics (76M10)

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