Mechanism of a periodic chiral lattice coating on sound radiation suppression at the strong radiation mode of a stiffened hull plate

X Huang, Z Su, Z Zhang, H Hua - International Journal of Mechanical …, 2020 - Elsevier
The development of acoustic coatings is of interest for underwater acoustic stealth to control
structure-borne sound radiation of ships. The ship hull is composed of finite stiffened plate …

A combined approach for active vibration control of fluid-loaded structures using the receptance method

M Xia, S Li - Archive of Applied Mechanics, 2018 - Springer
A combined experimental–numerical approach for the pole assignment of fluid-loaded
structures using the receptance method is proposed in this paper. The in-air measurements …

Hybrid assessment of acoustic radiation damping combining in-situ mobility measurements and the boundary element method

SK Baydoun, NB Roozen, S Marburg - 2022 - acta-acustica.edpsciences.org
A hybrid experimental-numerical approach is proposed for assessing acoustic radiation
damping–a major energy dissipating mechanism in lightweight structures. The vibrational …

A low-frequency sound power measurement technique based on the separation of near-field acoustic energy flux in a non-anechoic tank

Q Li, H Xu, R Tang, D Shang - Journal of Sound and Vibration, 2020 - Elsevier
To determine the radiated sound power of an underwater sound source below the first
resonance frequency in a non-anechoic tank, a sound intensity measurement technique …

Tonal noise reduction for a maneuverable marine hydrokinetic cycloturbine vehicle using turbine clocking

MZ Goldschmidt, ML Jonson… - … of Vibration and …, 2021 - asmedigitalcollection.asme.org
Abstract A Marine Hydrokinetic (MHK) cycloturbine vehicle can exploit tidal currents to
generate sustainable power and also has the ability to station keep and maneuver. The …

Energy dissipation by acoustic radiation: A multiphysics approach for damping quantification

SK Baydoun-Hidding - 2022 - mediatum.ub.tum.de
This thesis presents novel methods for quantifying acoustic radiation damping. The
structural vibrations are characterized by both, numerical and experimental techniques. The …

Vibration amplitude and fastener torque dependence of damping in a jointed structure

TW Jerome, SA Hambric… - … and Information in …, 2017 - asmedigitalcollection.asme.org
The resonance frequency, stiffness, and damping of a structure with screws, bolts, or rivets is
strongly influenced by the nonlinear interaction of connected faying surfaces. During the …

Tutorial on the vibroacoustics of composite sandwich panels

S Hambric - INTER-NOISE and NOISE-CON Congress and …, 2016 - ingentaconnect.com
Composite sandwich panels are used throughout the aerospace industry as lightweight, stiff
structural components. While the vibroacoustic behavior of simple isotropic homogeneous …

Design, Control, and Acoustics of a Marine Hydrokinetic Cycloturbine Vehicle

MZ Goldschmidt - 2021 - etda.libraries.psu.edu
A marine hydrokinetic (MHK) cycloturbine is a renewable electric power generation system
used in rivers or tidal environments to address the need for electricity in remote regions …

[引用][C] Energy dissipation by acoustic radiation

SK Baydoun-Hidding - 2022 - Universität München