[HTML][HTML] Mode-shape magnification in high-speed camera measurements

K Čufar, J Slavič, M Boltežar - Mechanical Systems and Signal Processing, 2024 - Elsevier
If motion, identified using image-based methods, is too small to be seen with the naked eye,
motion magnification can be used to help with the visualization. Established motion …

[HTML][HTML] Strain experimental modal analysis of an Euler–Bernoulli beam based on the thermoelastic principle

K Zaletelj, J Slavič, J Šonc, M Boltežar - Mechanical Systems and Signal …, 2023 - Elsevier
The strain mode shapes can be utilized as an indicator of vibration fatigue-hotspots and are
utilized for predicting the distribution of damage intensity. However, the conventional …

Reconstruction of radial pseudo-forces on cylinders via mono-laser scanning: Concept and application to characterization of damage

W Xu, M Ji, Y Xi, H Xu, M Cao, Z Su… - Mechanical Systems and …, 2023 - Elsevier
Damage in a plate can cause perturbation to the equation of out-of-plane motion, which can
be equivalently regarded as the transverse pseudo-force applied on the damage region …

Variational mode decomposition framework for modal shape visualization of honeycomb sandwich structures for full-field vibration measurements in non-uniform …

F Peng, R Zhao, G Jiang, B Ma, T Li, K Yu - Measurement, 2024 - Elsevier
Thermal effects in hypersonic vehicles, such as severe aerodynamic heating, can greatly
influence their thermodynamic behavior. These effects can cause uneven temperature …

Damage detection based on accelerometers and computer vision measurements of moving load-induced structural responses

T Wu, L Tang, F Zhou, Y Zhang, Z Zhou - Mechanical Systems and Signal …, 2024 - Elsevier
Damage identification is an important and challenging issue in structural health monitoring
to prevent sudden structural failures. This study introduces a novel damage detection …

Advanced model of spatiotemporal mining-induced kinematic excitation for multiple-support bridges based on the regional seismicity characteristics

P Boroń, JM Dulińska, D Jasińska - Applied Sciences, 2022 - mdpi.com
In the paper, an advanced model of spatiotemporal mining-induced kinematic excitation
(SMIKE) for multiple-support bridges exposed to mining-induced seismicity is proposed. The …

[HTML][HTML] Single-pixel optical-flow-based experimental modal analysis

I Tomac, J Slavič, D Gorjup - Mechanical systems and signal processing, 2023 - Elsevier
Modal analysis using structural responses identified from high-speed cameras is a
challenging task. The problem is that the measured displacements are relatively small …

Impact of dynamic soil-structure interaction on performance of a single span footbridge with overhangs subjected to mining-induced shocks

IJ Drygala, JM Dulińska, N Nisticò, T Tatara - Materials, 2022 - mdpi.com
The impact of the dynamic soil-structure interaction (DSSI) on the response of a single-span
footbridge to mining-induced shocks was assessed. Firstly, the eigen values, modes and …

3D mode shapes characterization under hammer impact using 3D-DIC and phase-based motion magnification

S Yan, Z Zhang - Engineering Research Express, 2024 - iopscience.iop.org
Modal analysis constitutes a fundamental aspect of structural investigation within diverse
engineering domains, encompassing sectors such as automotive, wind energy, and …

Using optimization algorithms to detect damages on free-free beam based on dynamic results

BQ NGUYEN - Journal of Materials and Engineering Structures « …, 2023 - revue.ummto.dz
This article describes a Modal Analysis method for detecting damage in free-free beams
using natural frequency data. The method involves updating a numerical model of the beam …