Metamaterials for acoustic noise filtering and energy harvesting

F Mir, D Mandal, S Banerjee - Sensors, 2023 - mdpi.com
Artificial methods for noise filtering are required for the twenty-first century's Factory vision
4.0. From various perspectives of physics, noise filtering capabilities could be addressed in …

Parametric investigation of a rail damper design based on a lab-scaled model

AJT Kuchak, D Marinkovic, M Zehn - Journal of Vibration Engineering & …, 2021 - Springer
Background Track noise is one of the main issues in the development of railway networks. It
is well known that rail dampers, as a cost-effective, passive means of vibration reduction, do …

Finite element model updating–Case study of a rail damper

AJT Kuchak, D Marinkovic, M Zehn - … Engineering and Mechanics, An Int'l …, 2020 - dbpia.co.kr
In rail industry, noise reduction is a concern to decrease environmental pollution. The
current study focuses on rail damper modeling and improvement of the model through …

Analytical frequency response solution for composite plates embedding viscoelastic layers

A Alaimo, C Orlando, S Valvano - Aerospace Science and Technology, 2019 - Elsevier
In this work analytical damped free-vibration and frequency response solutions are obtained
for the analysis of composite plates structures embedding viscoelastic layers. On the basis of …

Radiated sound control from a smart cylinder subjected to piezoelectric uncertainties based on sliding mode technique using self-adjusting boundary layer

HD Gohari, MR Zarastvand, R Talebitooti… - Aerospace Science and …, 2020 - Elsevier
This approach employs a robust controller on the basis of sliding mode control to propose a
novel strategy nominated as self-adjusting boundary layer in order to prevent occurrence of …

A robust optimum controller for suppressing radiated sound from an intelligent cylinder based on sliding mode method considering piezoelectric uncertainties

R Talebitooti, H Darvish Gohari… - Journal of Intelligent …, 2019 - journals.sagepub.com
In this study, a robust controller against the uncertainties in piezoelectric patches including
sensor and actuator is designed based on sliding mode method to control the radiated …

Derivation of circumferential guided waves equations for a multilayered laminate composite hollow cylinder by state-vector and Legendre polynomial hybrid formalism

M Zheng, H Ma, Y Lyu, C Lu, C He - Composite Structures, 2021 - Elsevier
A new spectral method based on the hybrid formula system of the state-vector and Legendre
polynomials are used to derive the explicit expressions of circumferential guided waves in …

Analytical analysis of sound transmission in passive damped multilayered shells

S Valvano, A Alaimo, C Orlando - Composite Structures, 2020 - Elsevier
An analytical shell model is here proposed for the sound transmission analysis of composite
multilayered structures embedding viscoelastic sheets. The present analytical solution …

An alternative approach for modal analysis of stiffened thin-walled structures with advanced plate elements

A Alaimo, C Orlando, S Valvano - European Journal of Mechanics-A/Solids, 2019 - Elsevier
Nowadays, many vehicles and buildings are built using the structural concept of stiffened
structure, in order to achieve greater strength with relatively less material. In the present …

On the dispersion of cylinder guided waves propagating in a multilayer composite hollow cylinder made of anisotropic materials

M Zheng, H Ma, Y Lyu, C He, C Lu - Aerospace Science and Technology, 2019 - Elsevier
The formula system of the state-vector and Legendre polynomials hybrid method (SV-LPHM)
was applied to produce the dispersion curves and mode shape for the general anisotropic …