Numerical Modelling of Boundary Layers and Far Field Acoustic Propagation in Thermoviscous Fluid
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F19%3A00336504" target="_blank" >RIV/68407700:21230/19:00336504 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.3813/AAA.919392" target="_blank" >https://doi.org/10.3813/AAA.919392</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3813/AAA.919392" target="_blank" >10.3813/AAA.919392</a>
Alternative languages
Result language
angličtina
Original language name
Numerical Modelling of Boundary Layers and Far Field Acoustic Propagation in Thermoviscous Fluid
Original language description
To model linear acoustics in a thermoviscous fluid in open domain and time-harmonic regime, a Finite Element formulation in a bounded meshed domain is combined with the integral representation of the field for the propagative solution. The integrals are non-singular and involve the only Finite Element node values for temperature variation and particle velocity variables. To overcome the non-uniqueness of solutions at fictitious resonant frequencies, a Burton-Miller combination of integral representation is used. This formulation is suitable to compute acoustic radiation, scattering and diffraction by objects or mutual interaction between transducers. Two-dimensional computational experiments are presented in an infinite, open domain (exterior), showing that the model can be achieved in meshing only a thin domain surrounding the physical boundaries of a device.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10307 - Acoustics
Result continuities
Project
—
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
ACTA ACUSTICA UNITED WITH ACUSTICA
ISSN
1610-1928
e-ISSN
1861-9959
Volume of the periodical
105
Issue of the periodical within the volume
6
Country of publishing house
DE - GERMANY
Number of pages
12
Pages from-to
1137-1148
UT code for WoS article
000506577800024
EID of the result in the Scopus database
2-s2.0-85077948199