期刊
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
卷 145, 期 6, 页码 EL593-EL597出版社
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/1.5113960
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Structures whose thickness follow a power law profile exhibit the acoustic black hole (ABH) effect and can be used for effective vibration reduction. However, it is difficult to know a priori what constitutes the best design. A new block matrix formulation of the transfer matrix method is developed for use in the optimization of an ABH vibration absorber at the end of a cantilever beam. Results indicate that introduction of the ABH significantly alters the dynamics of the beam, which must be considered in determining the optimal design for a given vibration reduction problem.
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