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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F14%3A00218837%21RIV15-GA0-21230___
rdf:type
skos:Concept n14:Vysledek
dcterms: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.
dcterms: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
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
skos:notation
RIV/68407700:21230/14:00218837!RIV15-GA0-21230___
n3:aktivita
n18:P
n3:aktivity
P(GAP101/12/1925)
n3:cisloPeriodika
3
n3:dodaniDat
n6:2015
n3:domaciTvurceVysledku
Šoltés, Martin n13:5866200 n13:5220009
n3:druhVysledku
n4:J
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
34817
n3:idVysledku
RIV/68407700:21230/14:00218837
n3:jazykVysledku
n16:eng
n3:klicovaSlova
acoustic resonator; optimization; high-amplitude fields
n3:klicoveSlovo
n10:high-amplitude%20fields n10:optimization n10:acoustic%20resonator
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[62B77ED4C519]
n3:nazevZdroje
The Journal of the Acoustical Society of America
n3:obor
n19:BI
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n15:GAP101%2F12%2F1925
n3:rokUplatneniVysledku
n6:2014
n3:svazekPeriodika
136
n3:tvurceVysledku
Šoltés, Martin Červenka, Milan Bednařík, Michal
n3:wos
000342205700014
s:issn
0001-4966
s:numberOfPages
10
n12:doi
10.1121/1.4892751
n11:organizacniJednotka
21230