Partition of Unity Finite Element Method for the modelling of Acoustic Black Hole wedges

The Acoustic Black Hole (ABH) phenomenon can be exploited to manipulate and mitigate flexural wave propagation in thin-walled structures. ABH structures feature unique space-dependent wavenumber variation and wave celerity reduction in the tapered ABH area, thus posing challenges to the existing mod...

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Bibliographic Details
Published in:	Journal of sound and vibration Vol. 475; p. 115266
Main Authors:	Zhou, T., Chazot, J.-D., Perrey-Debain, E., Cheng, L.
Format:	Journal Article
Language:	English
Published:	Amsterdam Elsevier Ltd 09.06.2020 Elsevier Science Ltd Elsevier
Subjects:	Acoustic Black Hole Acoustics Approximation Black holes Broadband Chemical partition Computer simulation Convergence Enrichment Finite element analysis Finite element method Mathematical models Mechanics Partition of Unity Finite Element Method Physics Propagation Reduction Thin wall structures Timoshenko beams Wave propagation Wavelengths Wavelet Wedges WKB method Wavelet Partition of Unity Finite Element Method Acoustic Black Hole WKB method
ISSN:	0022-460X, 1095-8568
Online Access:	Get full text
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