Characterization of the full complex-valued stiffness tensor of orthotropic viscoelastic plates using 3D guided wavefield data

AH Orta, M Kersemans, NB Roozen… - … Systems and Signal …, 2023 - Elsevier
A two-stage inversion scheme is proposed to determine the full set of 9 complex-valued
stiffness properties of orthotropic viscoelastic plates using their 3D surface velocity response …

On the identification of orthotropic elastic stiffness using 3D guided wavefield Data

AH Orta, M Kersemans, K Van Den Abeele - Sensors, 2022 - mdpi.com
Scanning laser Doppler vibrometry is a widely adopted method to measure the full-field out-
of-plane vibrational response of materials in view of detecting defects or estimating stiffness …

Dam** loss factor characterization of complex structures using a Green's function-based model

MNB Fazail, JD Chazot, G Lefebvre, N Atalla - Journal of Sound and …, 2023 - Elsevier
Abstract The Inhomogeneous Wave Correlation technique has been used to estimate
experimentally the wavenumber of simple and complex structures. However this method is …

Spatial and frequency identification of the dynamic properties of thin plates with the Frequency-Adapted Virtual Fields Method

N Madinier, Q Leclère, K Ege, A Berry - Journal of Sound and Vibration, 2025 - Elsevier
Vibroacoustic inverse methods use the measured response of a vibrating structure to identify
a structural parameter or a dynamic load. Two inverse methods are considered, the Force …

Impact of the vibration measurement points geometric coordinates uncertainties on two-dimensional k-space identification: Application to a sandwich plate with …

R Lajili, K Chikhaoui, Z Zergoune, ML Bouazizi… - … Systems and Signal …, 2022 - Elsevier
The purpose of the present paper is to investigate the wave propagation features in a
sandwich plate with honeycomb core over a large frequency domain. Robust experiment …

Imperfect interfaces characterization in a multilayered structure by means of an equivalent dynamic model

N Auquier, K Ege, E Gourdon - Acta Acustica, 2024 - acta-acustica.edpsciences.org
The research presented in this paper aims to demonstrate how imperfect interfaces
influence the behavior of a multilayered structure. To achieve this, a dynamic equivalent …

Three-dimensional bending analysis of multi-layered orthotropic plates by two-dimensional numerical model

P Pluciński, J Jaśkowiec, M Wójtowicz - Materials, 2021 - mdpi.com
The paper presents effective numerical modelling of multi-layered plates with orthotropic
properties. The method called the FEM23 is employed to construct the numerical model. The …

Vibroacoustics of periodic structures: model order reduction, characterization, optimization

R Boukadia - 2021 - theses.hal.science
Noise pollution has been identified as a physiological stressor that impacts both the
physiological and psychological health of those exposed to it. This recognition has …

On the estimation of the shear modulus of a honeycomb sandwich panel from X-ray map** of its core

Q Leclere, K Ege, F Marchetti, NB Roozen… - Journal of Structural …, 2023 - hal.science
Honeycomb sandwich panels are widely used in the industry because of their outstanding
stiffness to mass ratios. The dynamic response of such structures is known to be relatively …

Extraction of dispersion surfaces: a review of applications, methods and open questions

P Margerit - ISMA-USD Noise and Vibration Engineering …, 2022 - hal.science
The use of dispersion surfaces to describe the wave propagation characteristics of a
structure is motivated using experimental data. A review of the different approaches allowing …