Complex resonances in acoustic waveguides
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Publication:4507899
DOI10.1093/qjmam/53.3.429zbMath0972.76091OpenAlexW2135900558MaRDI QIDQ4507899
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Publication date: 13 November 2001
Published in: The Quarterly Journal of Mechanics and Applied Mathematics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1093/qjmam/53.3.429
Laplace operatorNeumann boundary conditionscomplex resonancesexistence of trapped modesperturbations of real eigenvaluesshifted obstacletwo-dimensional infinitely long acoustic waveguide
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