Comparison of three full-field optical measurement techniques applied to vibration analysis

P O'donoughue, F Gautier, E Meteyer… - Scientific Reports, 2023 - nature.com
Digital image correlation, deflectometry and digital holography are some of the full-field
optical measurement techniques that have matured in recent years. Their use in …

[HTML][HTML] Reconstruction of surface pressures on flat plates impacted by blast waves using the virtual fields method

R Kaufmann, SN Olufsen, E Fagerholt… - International Journal of …, 2023 - Elsevier
An accurate description of surface pressure loads imposed by blast waves is crucial for the
design of the next generation of blast-resistant structures. However, experimental …

Lock-in vibration retrieval based on high-speed full-field coherent imaging

E Meteyer, S Montresor, F Foucart, J Le Meur… - Scientific Reports, 2021 - nature.com
The use of high-speed cameras permits to visualize, analyze or study physical phenomena
at both their time and spatial scales. Mixing high-speed imaging with coherent imaging …

Reconstruction of surface-pressure fluctuations using deflectometry and the virtual fields method

R Kaufmann, B Ganapathisubramani, F Pierron - Experiments in Fluids, 2020 - Springer
This study presents an approach for obtaining full-field dynamic surface-pressure
reconstructions with low differential amplitudes. The method is demonstrated in a setup …

[HTML][HTML] A detected-data-enhanced FEM for residual stress reconstruction and machining deformation prediction

Z Peng, H Zhou, G Li, L Zhang, T Zhou, Y Fu - Alexandria Engineering …, 2024 - Elsevier
Deformation is one of the bottleneck problems for complex mechanical components during
their multi-process machining. The traditional FEM method generally predict the deformation …

Estimation of anisotropic properties of CMR patient-specific left ventricle using the virtual field method

M Ghafarinatanzi, D Perie - Biomechanics and Modeling in …, 2023 - Springer
Left ventricle (LV) myocardial dysfunction has been recently investigated using the
estimation of isotropic myocardial stiffness from magnetic resonance imaging (MRI) …

Applying the Virtual Fields Method to measure during milling the through-thickness residual stress distribution in aluminum-alloy sheet material

T Jovani, B Blaysat, H Chanal, M Grédiac - Experimental Mechanics, 2023 - Springer
Background Residual stresses often cause distortion to occur when machining slender
workpieces like those used in aeronautics. This distortion is undesirable and may even …

Space-time reconstruction of a moving acoustic loading on a membrane by coupling the force analysis technique and full-field non-contact vibration measurements

A Mougey, O Robin, M Melon - Frontiers in Acoustics, 2024 - frontiersin.org
Identifying acoustical and mechanical loadings on structures is a common problem in
acoustics and vibration analysis and stationary loadings are mostly considered on plate-like …

[PDF][PDF] RECOLO: A Python package for the reconstruction of surface pressure loads from kinematic fields using the virtual fields method

SN Olufsen, R Kaufmann, E Fagerholt… - Journal of Open Source …, 2022 - joss.theoj.org
In experimental mechanics, conducting non-intrusive measurements of surface pressure
distributions acting on blast-loaded structures remains a challenge even in controlled …

Surface pressure reconstruction from phase averaged deflectometry measurements using the virtual fields method

R Kaufmann, B Ganapathisubramani, F Pierron - Experimental Mechanics, 2020 - Springer
In this study, pressure distributions were reconstructed from phase-locked surface
deformation measurements on a thin plate. Slope changes on the plate surface were …