Skip to main content

Research Repository

Advanced Search

All Outputs (22)

Comparison of equivalent plate models using wavenumber approach (2020)
Conference Proceeding
Arasan, U., Marchetti, F., Chevillotte, F., Becot, F., Ege, K., Chronopoulos, D., & Gourdon, E. (2020). Comparison of equivalent plate models using wavenumber approach.

Mutli-layered structures (such as sandwich panels) are commonly used in engineering applications for the improved sound comfort and noise reduction. Finite Element modelling of these layered structures would often results in increased total number of... Read More about Comparison of equivalent plate models using wavenumber approach.

Designing Rainbow Metamaterials (2020)
Conference Proceeding
Meng, H., & Chronopoulos, D. (2020). Designing Rainbow Metamaterials

Nonperiodic metamaterials can have better vibration attenuation than periodic metamaterials with properly designed resonator distributions. In this study, we propose optimal design routes for rainbow metamaterials. The rainbow metamaterials are nonpe... Read More about Designing Rainbow Metamaterials.

Comparison of transmission loss prediction using condensed equivalent plate models (2019)
Conference Proceeding
Uthayasuriyan, A., Chevillotte, F., Luc, J., Chronopoulos, D., & Gourdon, E. (2019). Comparison of transmission loss prediction using condensed equivalent plate models. In Proceedings of the ICA 2019 and EAA Euroregio 23rd International Congress on Acoustics, integrating 4th EAA Euroregio 2019, 9 - 13 September 2019, Aachen, Germany, 273-280

Equivalent plate models are commonly used in order to simulate multilayer system as one single layer. This kind of approach enables for instance to reduce the mesh size and thus the number of degrees of freedom in finite element models. Usual condens... Read More about Comparison of transmission loss prediction using condensed equivalent plate models.

The use of free-space microwave non-destructive techniques: simulation of damage detection in carbon fibre reinforced composites (2019)
Conference Proceeding
Munalli, D., Dimitrakis, G., Chronopoulos, D., Greedy, S., & Long, A. (2019). The use of free-space microwave non-destructive techniques: simulation of damage detection in carbon fibre reinforced composites

Microwave non-destructive testing (MNDT) methods represent an effective solution in detecting defects within composite structures with relatively low electrical conductivity. They offer the advantage to overcome the problems of traditional NDT techni... Read More about The use of free-space microwave non-destructive techniques: simulation of damage detection in carbon fibre reinforced composites.

Bayesian damage characterization based on probabilistic model of scattering coefficients and hybrid wave finite element model scheme (2019)
Conference Proceeding
Yan, W., Chronopoulos, D., Papadimitriou, C., Cantero-Chinchilla, S., & Zhu, G. (2019). Bayesian damage characterization based on probabilistic model of scattering coefficients and hybrid wave finite element model scheme. In COMPDYN 2019 : Proceedings of the 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering. Volume 2 (2952-2958)

Ultrasonic Guided Wave(GW) has been proven to be sensitive to small damage. Motivated by the fact that the quantitative relationship between wave scattering and damage intensity can be described by scattering properties, this study aims at proposing... Read More about Bayesian damage characterization based on probabilistic model of scattering coefficients and hybrid wave finite element model scheme.

A Rainbow Metamaterial For Broadband Multi-frequency Vibration Suppression (2019)
Conference Proceeding
Meng, H., Chronopoulos, D., & Fabro, A. T. (2019). A Rainbow Metamaterial For Broadband Multi-frequency Vibration Suppression

In this study, we propose a rainbow metamaterial to achieve multi-frequency broadband vibration suppression. A U-shaped beam is partitioned into subspace by parallel baffle plates. Cantilever-mass microstructures are then attached to the each subspac... Read More about A Rainbow Metamaterial For Broadband Multi-frequency Vibration Suppression.

Wave scattering in coupled composite plates (2019)
Conference Proceeding
Aimakov, N., Tanner, G., & Chronopoulos, D. (2019). Wave scattering in coupled composite plates. In Proceedings of Internoise 2019 , The 48th International Congress and Exhibition on Noise Control Engineering

Establishing the wave propagation characteristics at plate junctions is of great importance in the prediction of vibrational energy transmission across complex structures. A hybrid approach combining the finite element (FE) and the wave finite elemen... Read More about Wave scattering in coupled composite plates.

Optimal Ultrasonic Sensor Configuration for Plate-Like Structures Using the Value of Information (2019)
Conference Proceeding
Cantero-Chinchilla, S., Chiachío, J., Chiachío, M., Chronopoulos, D., Jones, A., Essa, Y., & de la Escalera, F. M. (2019). Optimal Ultrasonic Sensor Configuration for Plate-Like Structures Using the Value of Information. In Structural Health Monitoring 2019 Enabling Intelligent Life-cycle Health Management for Industry Internet of Things (IIOT): Proceedings of 12th International Workshop on Structural Health Monitoring (1455-1462). https://doi.org/10.12783/shm2019/32267

Condition-based maintenance is based on reliable and effective structural health monitoring systems able to provide accurate information about the health condition of a structure. Among the factors that influence the accuracy and reliability of such... Read More about Optimal Ultrasonic Sensor Configuration for Plate-Like Structures Using the Value of Information.

Ultrasonic Guided-Wave Based System Identification for Beams (2019)
Conference Proceeding
MALIK, M. K., CHINCHILLA, S. C., CHRONOPOULOS, D., CHIACHIAO, J., & ESSA, Y. (2019). Ultrasonic Guided-Wave Based System Identification for Beams. In Structural Health Monitoring 2019 : Enabling Intelligent Life-cycle Health Management for Industry Internet of Things (IIOT) : Proceedings of the Twelfth International Workshop on Structural Health Monitoring, September 10–12, 2019 (2313-2320). https://doi.org/10.12783/shm2019/32371

© 2019 by DEStech Publications, Inc. All rights reserved. Structural health monitoring (SHM) usually requires several stages of information, starting from damage detection, localisation, and identification. Ultrasonic guided waves can travel long dis... Read More about Ultrasonic Guided-Wave Based System Identification for Beams.

Optimal design of a rainbow metamaterial (2019)
Conference Proceeding
Meng, H., Chronopoulos, D., & Fabro, A. T. (2019). Optimal design of a rainbow metamaterial. In Proceedings of the 26th International Congress on Sound and Vibration (ICSV 2019)

Locally resonant metamaterials can exhibit bandgaps at low frequencies with the wavelengths much longer than their lattice size. In this study, a rainbow metamaterial is proposed for the purpose of vibration suppression within broad frequency ranges.... Read More about Optimal design of a rainbow metamaterial.

Response variability of broadband multi- frequency metastructure from additive manufacturing (2019)
Conference Proceeding
Fabro, A. T., Meng, H., & Chronopoulos, D. (2019). Response variability of broadband multi- frequency metastructure from additive manufacturing. In Proceedings of the 26th International Congress on Sound and Vibration (ICSV 2019)

Additive manufacturing has been used to propose several designs of phononic crystals and metamate-rials due to the low cost to produce complex geometrical features. However, like any other manufacturing process, it can introduce material and geometri... Read More about Response variability of broadband multi- frequency metastructure from additive manufacturing.

Towards a streamlined stacking sequence optimisation methodology for blended composite aircraft structures (2019)
Conference Proceeding
Ntourmas, G., Özcan, E., Chronopoulos, D., Glock, F., & Daoud, F. (2019). Towards a streamlined stacking sequence optimisation methodology for blended composite aircraft structures. In Proceedings of 8th European Conference for Aeronautics and Aerospace Sciences (EUCASS)

In order to fully exploit the benefits provided by using composite materials in large scale aerospace structures, more efficient detailed design optimisation techniques need to be developed. In the present work, the optimisation procedure is split up... Read More about Towards a streamlined stacking sequence optimisation methodology for blended composite aircraft structures.

Uncertainty quantification in ultrasonic guided-waves based damage localization (2019)
Conference Proceeding
Cantero-Chinchilla, S., Chiachío, J., Chiachío, M., Chronopoulos, D., Jones, A., Essa, Y., & Martín De La Escalera, F. (2019). Uncertainty quantification in ultrasonic guided-waves based damage localization.

Bayesian methods for inverse problems offer higher robustness to noise and uncertainty than deterministic, yet accurate, inference methods. Both types of techniques typically focus on finding optimal model parameters that minimize an objective functi... Read More about Uncertainty quantification in ultrasonic guided-waves based damage localization.

Wave scattering in coupled composite plates (2018)
Conference Proceeding
Aimakov, N., Tanner, G., & Chronopoulos, D. (2018). Wave scattering in coupled composite plates. In INTER-NOISE and NOISE-CON Congress and Conference Proceedings ,NOVEM 2018 (421-431)

Establishing the wave propagation characteristics at plate junctions is of great importance in the prediction of vibrational energy transmission across complex structures. A hybrid approach combining the finite element (FE) and the wave finite elemen... Read More about Wave scattering in coupled composite plates.

Electromagnetic shielding effectiveness of fiber-reinforced composites: a preliminary study (2018)
Conference Proceeding
Munalli, D., Chronopoulos, D., & Greedy, S. (2018). Electromagnetic shielding effectiveness of fiber-reinforced composites: a preliminary study.

The use of Low power Radio Frequency (RF) based techniques as Non Destructive Testing (NDT) methods offers a potential solution for detecting defects and anomalies occurring in the structural integrity of composite based structures in real time, enab... Read More about Electromagnetic shielding effectiveness of fiber-reinforced composites: a preliminary study.

Examination of acoustic insulation of composite metamaterials with negative stiffness elements inclusions (2017)
Conference Proceeding
Ampatzidis, T., & Chronopoulos, D. (2017). Examination of acoustic insulation of composite metamaterials with negative stiffness elements inclusions.

Damping is one of the most important properties of materials, being responsible for increased durability and conmfort of the structures. In this paper the damping enhancement of materials with internal oscillators is examined. Wave Finite Element (WF... Read More about Examination of acoustic insulation of composite metamaterials with negative stiffness elements inclusions.

Parametric study of control of frequency banded behaviour of periodic pressurised composite structures (2017)
Conference Proceeding
Ampatzidis, T., & Chronopoulos, D. (2017). Parametric study of control of frequency banded behaviour of periodic pressurised composite structures.

Periodic structures are very common in engineering, such as airplane fuselages and train rails. This periodicity has been observed to be the cause of banded frequency response after mechanical excitation. This response can be engineered so that noise... Read More about Parametric study of control of frequency banded behaviour of periodic pressurised composite structures.

Prediction of temperature dependent wave dispersion and interaction properties in composite structures (2017)
Conference Proceeding
Apalowo, R., Ampatzidis, T., Chronopoulos, D., Ichchou, M., Essa, Y., & De La Escalera, F. (2017). Prediction of temperature dependent wave dispersion and interaction properties in composite structures.

Composite structures are widely used for aerospace and automotive applications. These operate within a broad temperature range varying between -100_C to 200_C for launch vehicles and -60_C to +50_C for aircraft and automotive vehicles. Hereby, the se... Read More about Prediction of temperature dependent wave dispersion and interaction properties in composite structures.

Thermal effect on wave interaction in composite structures (2017)
Conference Proceeding
Apalowo, R., Chronopoulos, D., & Thierry, V. (2017). Thermal effect on wave interaction in composite structures.

There exist a wide range of failure modes in composite structures due to the increased usage of the structures especially in aerospace industry. Moreover, temperature dependent wave response of composite and layered structures have been continuously... Read More about Thermal effect on wave interaction in composite structures.