Interaction of ocean waves with floating and submerged horizontal flexible structures in three-dimensions

SC Mohapatra, CG Soares - Applied Ocean Research, 2019 - Elsevier
A three-dimensional general mathematical hydroelastic model dealing with the problem of
wave interaction with a floating and a submerged flexible structure is developed based on …

On the extension of the mode-matching procedure for modeling a wave-bearing cavity

H Bilal, M Afzal - Mathematics and Mechanics of Solids, 2022 - journals.sagepub.com
The present work highlights the scattering of fluid–structure coupled waves through a wave-
bearing cavity in rigid waveguide. The cavity is filled with compressible fluid and comprises …

Mode coalescence and the Green's function in a two-dimensional waveguide with arbitrary admittance boundary conditions

E Perrey-Debain, B Nennig, JB Lawrie - Journal of Sound and Vibration, 2022 - Elsevier
This study focuses on sound attenuation in a two-dimensional waveguide with arbitrary
admittance boundary conditions on both sides of the guide. The emphasis is on …

Attenuation analysis of flexural modes with absorbent lined flanges and different edge conditions

M Afzal, S Shafique - The Journal of the Acoustical Society of America, 2020 - pubs.aip.org
The analysis of fluid-structure coupled waveforms and the attenuation of these waveforms in
a flexible waveguide is carried out. The physical configuration contains an expansion …

Analytic mode-matching for accurate handling of exceptional points in a lined acoustic waveguide

JB Lawrie, B Nennig… - Proceedings of the …, 2022 - royalsocietypublishing.org
Exceptional points (which occur when two or more modes coalesce) have long been
associated with optimal attenuation in lined acoustic waveguides. In recent years, with a …

Acoustic scattering in a waveguide with a height discontinuity bridged by a membrane: a tailored Galerkin approach

JB Lawrie, M Afzal - Journal of Engineering Mathematics, 2017 - Springer
This article is concerned with the reflection and the transmission of fluid–structure-coupled
waves at the junction between two flexible waveguides of different heights. Unlike previous …

Scattering analysis of a partitioned membrane-bounded cavity with material contrast

M Afzal, JU Satti, A Wahab, R Nawaz - The Journal of the Acoustical …, 2022 - pubs.aip.org
The acoustic performance of a silencer containing elastic membranes backed by cavities
and porous material is investigated. The modeled waveguide configuration contains porous …

A three dimensional investigation into the acoustic performance of dissipative splitter silencers

R Kirby, PT Williams, J Hill - The Journal of the Acoustical Society of …, 2014 - pubs.aip.org
Splitter silencers are found in ventilation and gas turbine systems and consist of parallel
baffles of porous material placed within a duct so that they split the mean gas flow …

Sound power radiated from acoustically thick, fluid loaded, axisymmetric pipes excited by a central monopole

P Williams, R Kirby, M Karimi - Journal of Sound and Vibration, 2022 - Elsevier
The aim of this study is to determine how the breakout noise of infinite length cylindrical
shells excited by a central internal point source differ between acoustically thin and thick …

Wave interaction with a floating and submerged elastic plate system

SC Mohapatra, T Sahoo - Journal of Engineering Mathematics, 2014 - Springer
Surface gravity wave interaction with a floating and submerged elastic plate system is
analyzed under the assumption of small-amplitude surface water wave theory and structural …