Numerical modelling of vibro-acoustic problem in presence of uncertainty: Application to a vehicle cabin
Sign Up to like & getrecommendations! Published in 2019 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2017.06.001
Abstract: Abstract In this paper, the formulation of the finite element method for vibro-acoustic problem is applied to a vehicle to investigate the sound pressure level inside the cabin. This study is combined with a stochastic… read more here.
Keywords: vehicle; vibro acoustic; uncertainty; numerical modelling ... See more keywords
Vibro-acoustic analysis of an elastically restrained plate duct silencer backed by irregular acoustical cavity
Sign Up to like & getrecommendations! Published in 2018 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2018.03.004
Abstract: Abstract Drum silencer is seemed as a novel passive mean for the low frequency noise control in duct, a lot of research work has been done for such panel silencer backed by regular cavity, while… read more here.
Keywords: silencer; vibro acoustic; analysis; cavity ... See more keywords
Analytical study of vibro-acoustic response of a human aorta subjected to an ultrasound wave
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DOI: 10.1016/j.apacoust.2020.107849
Abstract: Abstract In this study, the acoustical and vibrational effects of radiating ultrasound waves to the human aorta is investigated. The aortic segment, which is composed of three distinct layers of tunica intima, tunica media and… read more here.
Keywords: range frequencies; acoustic response; human aorta; vibro acoustic ... See more keywords
Vibro-acoustic response of spacecraft instrument subjected to diffuse sound field: Numerical simulations and experimental verification
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DOI: 10.1016/j.apacoust.2021.108338
Abstract: Abstract The vibro-acoustic environment generated during a rocket launch induces dynamic loads which may damage critical components of spacecraft and scientific instruments. The research is focused on the vibro-acoustic response of the Wide Field Imager… read more here.
Keywords: field; vibro acoustic; diffuse sound; sound field ... See more keywords
Concurrent multi-scale and multi-material topological optimization of vibro-acoustic structures
Sign Up to like & getrecommendations! Published in 2019 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2019.02.010
Abstract: Abstract Most of the presented works in the field of vibro-acoustic topology optimization are focused on single-scale design of the structure or material so far, which cannot exert the potential of the material to the… read more here.
Keywords: optimization; vibro acoustic; multi scale; topology ... See more keywords
Vibro-acoustic analysis of the thin laminated rectangular plate-cavity coupling system
Sign Up to like & getrecommendations! Published in 2018 at "Composite Structures"
DOI: 10.1016/j.compstruct.2018.01.099
Abstract: Abstract This paper establishes a plate-cavity system to study the vibro-acoustic coupling characteristics based on an improved Fourier series method (IFSM). The established coupling system consists of an acoustic cavity with rigid walls or impendence… read more here.
Keywords: plate cavity; system; vibro acoustic; coupling system ... See more keywords
Numerical investigation of the vibro-acoustic response of functionally graded lightweight square panel at low and mid-frequency regions
Sign Up to like & getrecommendations! Published in 2020 at "Composite Structures"
DOI: 10.1016/j.compstruct.2020.113460
Abstract: Abstract The focus of this paper is to investigate numerically the vibro-acoustic responses of functionally graded lightweight square panel (FGLSP) made from A l / A l 2 O 3 with various boundary conditions (BCs).… read more here.
Keywords: vibro acoustic; functionally graded; frequency regions; mid frequency ... See more keywords
Vibro-acoustic analysis of functionally graded graphene-reinforced nanocomposite laminated plates under thermal-mechanical loads
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2019.01.137
Abstract: Abstract This paper investigates the vibro-acoustic characteristics of functionally graded graphene-reinforced nanocomposite (FG-GRC) laminated plates under thermal-mechanical loads. It is assumed that the graphene nanoplatelets (GPLs) are distributed with random directions but homogeneous dispersion in… read more here.
Keywords: functionally graded; vibro acoustic; graphene reinforced; reinforced nanocomposite ... See more keywords
Vibro-acoustic analysis of combined elliptical–cylindrical–elliptical shells immersed in acoustic medium
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Fluids and Structures"
DOI: 10.1016/j.jfluidstructs.2021.103391
Abstract: Abstract The vibro-acoustic behaviors of combined elliptical–cylindrical–elliptical shells (CECES) is studied by the spectral-energy boundary element approach. The Jacobian orthogonal polynomials and the variational principles are employed to establish the dynamic model of the CECES.… read more here.
Keywords: elliptical cylindrical; vibro acoustic; combined elliptical; cylindrical elliptical ... See more keywords
Combined semi-analytical and numerical vibro-acoustic design approach for anisotropic fibre-reinforced composite structures
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2017.05.027
Abstract: Abstract In many applications, lightweight structures need to combine outstanding component properties and low weight. Here, fibre-reinforced polymers offer particular advantages, as their material-inherent anisotropic material damping behaviour facilitates the design of lightweight structures with… read more here.
Keywords: semi analytical; vibro acoustic; fibre reinforced; composite structures ... See more keywords
Characterization of surface impedance of vibro-acoustic subdomains with experimental measurements
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.114876
Abstract: Abstract In substructuring approaches in the field of acoustics, subdomains are mostly characterized by impedance or mobility at their interfaces with other subdomains. This allows handling large systems broken down into smaller, easier to solve… read more here.
Keywords: surface impedance; vibro acoustic; impedance; impedance vibro ... See more keywords