[HTML][HTML] Physics informed and data-based augmented learning in structural health diagnosis

D Di Lorenzo, V Champaney, JY Marzin… - Computer Methods in …, 2023 - Elsevier
Data-based diagnosis has been extensively addressed in the domain of structural health
monitoring. Data exhibit patterns able to infer the existence of damaged areas, and in some …

Novel approach-based sparsity for damage localization in functionally graded material

E Ghandourah, K Bendine, S Khatir, B Benaissa… - Buildings, 2023 - mdpi.com
Model-based approaches have been widely employed in damage detection and localization
studies. However, alternative techniques, such as built-in online detection methods, hold …

Adjoint-based determination of weaknesses in structures

FN Airaudo, R Löhner, R Wüchner, H Antil - Computer Methods in Applied …, 2023 - Elsevier
An adjoint-based procedure to determine weaknesses, or, more generally the material
properties of structures is developed and tested. Given a series of force and …

Parametric damage mechanics empowering structural health monitoring of 3D woven composites

M Jacot, V Champaney, F Chinesta, J Cortial - Sensors, 2023 - mdpi.com
This paper presents a data-driven structural health monitoring (SHM) method by the use of
so-called reduced-order models relying on an offline training/online use for unidirectional …

Physics-informed and graph neural networks for enhanced inverse analysis

D Di Lorenzo, V Champaney, C Ghnatios… - Engineering …, 2024 - emerald.com
Purpose This paper presents an original approach for learning models, partially known, of
particular interest when performing source identification or structural health monitoring. The …

[HTML][HTML] Enhanced Sensor Placement Optimization and Defect Detection in Structural Health Monitoring Using Hybrid PI-DEIM Approach

M Yun, M Tannous, C Ghnatios, E Fonn, T Kvamsdal… - Sensors, 2024 - mdpi.com
This work introduces a novel methodology for identifying critical sensor locations and
detecting defects in structural components. Initially, a hybrid method is proposed to …

[HTML][HTML] Damage identification technique by model enrichment for structural elastodynamic problems

D Di Lorenzo, S Rodriguez, V Champaney… - Results in …, 2024 - Elsevier
Abstract Structural Health Monitoring (SHM) techniques are key to monitor the health state of
engineering structures, where damage type, location and severity are to be estimated by …

High-Fidelity Digital Twins: Detecting and Localizing Weaknesses in Structures

R Lohner, F Airaudo, H Antil, R Wüchner… - AIAA SCITECH 2024 …, 2024 - arc.aiaa.org
An adjoint-based procedure to determine weaknesses, or, more generally, the material
properties of structures is developed and tested. Given a series of load cases and …

High-Fidelity Digital Twins: Zooming in on Weaknesses in Structures

R Lohner, F Airaudo, H Antil, R Wuechner… - AIAA SCITECH 2025 …, 2025 - arc.aiaa.org
An adjoint-based procedure to determine weaknesses, or, more generally, the material
properties of structures is improved by implementing two techniques to progressively reduce …

Advanced model order reduction and data-driven technologies enabling physics-augmented digital twins

V Champaney - 2023 - pastel.hal.science
In the 20th century, engineering made remarkable strides in various fields, while other
disciplines turned to data for diagnostic and prognostic purposes. Recognizing the potential …