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Numerical modeling of sound propagation in anechoic chamber with quadratic residue diffuser

Citace:
KOUDELA, L., POLCAR, P., TUREČEK, O. Numerical modeling of sound propagation in anechoic chamber with quadratic residue diffuser. Elektryka, 2014, roč. 60, č. 1, s. 5-12. ISSN: 1897-8827
Druh: ČLÁNEK
Jazyk publikace: eng
Anglický název: Numerical modeling of sound propagation in anechoic chamber with quadratic residue diffuser
Rok vydání: 2014
Autoři: Ing. Lukáš Koudela , Ing. Petr Polcar Ph.D. , Ing. Oldřich Tureček Ph.D.
Abstrakt EN: This paper discusses numerical solution of acoustic transient field in the anechoic chamber with quadratic residue diffuser. The goal is to obtain the time evolution of acoustic pressure when the source of signal is Gaussian monocycle pulse with defined parameters. The mathematical model is described by the partial differential equation supplemented with boundary conditions and the numerical solution is realized by a fully adaptive higher-order finite method implemented into codes Hermes and Agros2D developed at the University of West Bohemia.
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