Szczegóły publikacji

Opis bibliograficzny

A computationally efficient analytical formulation on the sound radiation of a circular plate with a finite baffle / Krzysztof Szemela, Wojciech P. Rdzanek, Li Cheng, Jerzy WICIAK // International Journal for Numerical Methods in Engineering ; ISSN  0029-5981 . — 2026 — vol. 127 iss. 6 art. no. e70297, s. 1-28. — Bibliogr. s. 26-27, Abstr. — Publikacja dostępna online od: 2026-03-17

Autorzy (4)

Słowa kluczowe

Helmholtz equationsound pressuresound powerannular bafflecircular sound sourcecontinuity condition

Dane bibliometryczne

ID BaDAP167152
Data dodania do BaDAP2026-05-07
Tekst źródłowyURL
DOI10.1002/nme.70297
Rok publikacji2026
Typ publikacjiartykuł w czasopiśmie
Otwarty dostęptak
Czasopismo/seriaInternational Journal for Numerical Methods in Engineering

Abstract

The computationally efficient formulas to calculate the sound pressure and the sound power radiated by a circular source embedded in an annular planar rigid baffle were obtained by dividing a half-space into three spherical subregions and proposing appropriate solutions for each of them. The proposed solutions were connected through the continuity conditions. The results given by the obtained formulation were compared with the finite element method (FEM) results and with the results given by the solution called here the Dini series and the spherical harmonics solution (DSHS). In most cases, a good agreement between results was achieved. The use of the obtained formulas is less troublesome than using the FEM; therefore, they can be used to calculate the sound pressure at a large distance from a sound source and to analyze the sound radiation for large baffle sizes. The performed numerical simulations proved that the use of the obtained formulation is much more computationally efficient than the use of the DSHS and the FEM. Based on the obtained formulas, the influence of the baffle's size on the sound radiation can be extensively investigated.

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