About: Optimal shaping of acoustic resonators for the generation of high-amplitude standing waves

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Within this paper, optimal shaping of acoustic resonators for the generation of high-amplitude standing waves through the use of evolutionary algorithms is discussed. The resonator shapes are described using sets of control points interconnected with cubic-splines. Positions of the control points are calculated by means of an evolutionary algorithm in order to maximize acoustic pressure amplitude at a given point of the resonator cavity. As an objective function for the optimization procedure, numerical solution of one-dimensional linear wave equation taking into account boundary-layer dissipation is used. Resonator shapes maximizing acoustic pressure amplitude are found in case of a piston, shaker or loudspeaker driving. It is shown that the optimum resonator shapes depend on the method of driving. In all the cases, acoustic field attains higher amplitude in the optimized resonators than in simple-shaped non-optimized resonators of similar dimensions. Theoretical results are compared with experimental data in the case of a loudspeaker driving, good agreement of which is achieved. Within this paper, optimal shaping of acoustic resonators for the generation of high-amplitude standing waves through the use of evolutionary algorithms is discussed. The resonator shapes are described using sets of control points interconnected with cubic-splines. Positions of the control points are calculated by means of an evolutionary algorithm in order to maximize acoustic pressure amplitude at a given point of the resonator cavity. As an objective function for the optimization procedure, numerical solution of one-dimensional linear wave equation taking into account boundary-layer dissipation is used. Resonator shapes maximizing acoustic pressure amplitude are found in case of a piston, shaker or loudspeaker driving. It is shown that the optimum resonator shapes depend on the method of driving. In all the cases, acoustic field attains higher amplitude in the optimized resonators than in simple-shaped non-optimized resonators of similar dimensions. Theoretical results are compared with experimental data in the case of a loudspeaker driving, good agreement of which is achieved. (en)
Title	Optimal shaping of acoustic resonators for the generation of high-amplitude standing waves Optimal shaping of acoustic resonators for the generation of high-amplitude standing waves (en)
skos:prefLabel	Optimal shaping of acoustic resonators for the generation of high-amplitude standing waves Optimal shaping of acoustic resonators for the generation of high-amplitude standing waves (en)
skos:notation	RIV/68407700:21230/14:00218837!RIV15-GA0-21230___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP101/12/1925)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Bednařík, Michal Červenka, Milan Šoltés, Martin
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	34817
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/14:00218837
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	acoustic resonator; optimization; high-amplitude fields (en)
http://linked.open.../riv/klicoveSlovo	optimization acoustic resonator high-amplitude fields
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[62B77ED4C519]
http://linked.open...i/riv/nazevZdroje	The Journal of the Acoustical Society of America
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	New methods of generation and utilization of finite-amplitude standing acoustic waves
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	136
http://linked.open...iv/tvurceVysledku	Bednařík, Michal Červenka, Milan Šoltés, Martin
http://linked.open...ain/vavai/riv/wos	000342205700014
issn	0001-4966
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1121/1.4892751
http://localhost/t...ganizacniJednotka	21230

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