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Detail publikace
SINGH, B. HOTA, R. DWIDEDI, S. JHA, R. RANJAN, V. ŘEHÁK, K.
Originální název
Analytical Investigation of Sound Radiation from Functionally Graded Thin Plates Based on Elemental Radiator Approach and Physical Neutral Surface
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
angličtina
Originální abstrakt
This paper analyzes the sound radiation behavior of a clamped thin, functionally graded material plate using the classical plate theory and Rayleigh Integral with the elemental radiator approach. The material properties of the plate are assumed to vary according to the power-law distribution of the constituent materials in the transverse direction. The functionally graded material is modeled using a physical neutral surface instead of a geometric middle surface. The effects of the power-law index, elastic modulus ratio, different constituent materials, and damping loss factor on the sound radiation of functionally graded plate are analyzed. It was found that, for the considered plate, the power-law index significantly influences sound power level and radiation efficiency. There exists a critical value of the power-law index for which the corresponding peak of sound power level is minimum. In a wide operating frequency range, approximately 500–1500 Hz, this research suggests that the radiation efficiency is lower for the power-law index equal to 0 and 1. However, for very low frequencies (less than 250 Hz), the power-law index does not affect radiation efficiency significantly. Further, as the modulus ratio increases, the sound power peak decreases for a given power-law index. For the given material constituents of the functionally graded plate, the different values of damping loss factors do not significantly influence radiation efficiency. However, the selection of material constituents affects the radiation efficiency peak.
Klíčová slova
functionally graded material; sound radiation; physical neutral surface; elemental radiator; power-law index
Autoři
SINGH, B.; HOTA, R.; DWIDEDI, S.; JHA, R.; RANJAN, V.; ŘEHÁK, K.
Vydáno
31. 7. 2022
Nakladatel
MDP, ST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND
ISSN
2076-3417
Periodikum
Applied Sciences - Basel
Ročník
12
Číslo
15
Stát
Švýcarská konfederace
Strany od
1
Strany do
19
Strany počet
URL
https://www.mdpi.com/2076-3417/12/15/7707
BibTex
@article{BUT178900, author="Baij Nath {Singh} and R.N. {Hota} and Sarwagya {Dwidedi} and Ratneshwar {Jha} and Vinayak {Ranjan} and Kamil {Řehák}", title="Analytical Investigation of Sound Radiation from Functionally Graded Thin Plates Based on Elemental Radiator Approach and Physical Neutral Surface", journal="Applied Sciences - Basel", year="2022", volume="12", number="15", pages="1--19", doi="10.3390/app12157707", issn="2076-3417", url="https://www.mdpi.com/2076-3417/12/15/7707" }