Acoustic cloak designed by topology optimization for acoustic–elastic coupled systems

By including acoustic-elastic interactions in a topology optimization based on the covariance matrix adaptation evolution strategy, we developed acoustic cloaks of optimal design that render an object unobservable through airborne and water-borne sounds. This strategy helps in exploring optimal topo...

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Veröffentlicht in:	Applied physics letters 2021-03, Vol.118 (10)
Hauptverfasser:	Fujii, Garuda, Takahashi, Masayuki, Akimoto, Youhei
Format:	Artikel
Sprache:	eng
Schlagworte:	ABS resins Acoustic coupling Acoustics Acrylonitrile butadiene styrene Applied physics Boundaries Copolymers Covariance matrix Design Elastic media Elastic scattering Sound waves Three dimensional printing Topology optimization
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