Size-dependent hydroelastic vibration of FG microplates partially in contact with a fluid

M Karimi, K Khorshidi, R Dimitri, F Tornabene - Composite Structures, 2020 - Elsevier
This work focuses on the hydroelastic vibration of vertical functionally graded (FG)
microplates partially in contact with a fluid. The nonlocal Lam strain gradient theory is here …

Learning-based acoustic displacement field modeling and micro-particle control

X Jiao, Y Zhao, X Wang, M Yuan, J Tao, H Sun… - Expert Systems with …, 2024 - Elsevier
Acoustic manipulation has emerged as a promising microtarget control method with
potential applications in microchip assembly, noncontact control of chemical materials, and …

Analytic solution to the coupled vibration characteristics of a rectangular plate partially immersed in a finite fluid container

GW Chen, CY Liao, YZ Lin, CC Ma - Journal of Sound and Vibration, 2021 - Elsevier
The objective of this study was to explore from a theoretical perspective the relationship
between dry mode shapes and the distortions associated with wet mode shapes. This study …

Dexterous formation of unconventional Chladni patterns using standing bulk acoustic waves

J Lei, F Cheng, G Liu, K Li, Z Guo - Applied Physics Letters, 2020 - pubs.aip.org
Classical Chladni patterns formed by vibrations of flat plates have been studied for centuries
and are well understood. In this Letter, we show dexterous formation of unconventional …

Modal analysis of a spinning disk in a dense fluid as a model for high head hydraulic turbines

M Louyot, B Nennemann, C Monette… - Journal of Fluids and …, 2020 - Elsevier
In high head Francis turbines and pump-turbines in particular, Rotor Stator Interaction (RSI)
is an unavoidable source of excitation that needs to be predicted accurately. Precise …

Dynamic behavior analysis of a cracked bulb turbine rotor based on acoustic fluid-structural coupling method

J Cao, Y Luo, Z Mao, Z Wang - Engineering Failure Analysis, 2022 - Elsevier
Bulb turbine is widely used on the utilization of the hydraulic resources with relatively low
head and the tidal energy, and it is troubled by fatigue problems. Thus, it is significant to …

Effects of added mass and moments of inertia on hydroelectric turbines for dynamic applications using structural acoustic simulation

R Gustavsson, D Ahlsén, L Fagerberg… - Journal of Fluids and …, 2022 - Elsevier
This paper proposes and evaluate coupled structural acoustic simulation, SAS, as the
preferred method to predict the added mass and moments of inertia of turbine runners in …

Understanding the influence of wake cavitation on the dynamic response of hydraulic profiles under lock-in conditions

R Roig, J Chen, O de la Torre, X Escaler - Energies, 2021 - mdpi.com
To accelerate the integration of fluctuating renewable energy technologies in the power
systems, it is necessary to increase the flexibility of hydropower by operating turbines at off …

Assessment of Novel Modal Testing Methods for Structures Rotating in Water

R Roig, X Sánchez-Botello, X Escaler - Applied Sciences, 2023 - mdpi.com
Featured Application The development of a novel methodology for the identification of the
natural frequencies of rotating structures partially submerged in water, such as the rotors of …

Chladni figures in modal analysis of a double-panel structure

J Rzepecki, A Chraponska, S Budzan, CW Isaac… - Sensors, 2020 - mdpi.com
Analysis of the structural vibration, under the sound excitation is an important part of the
quality assurance during the design process of devices. One of the most commonly used …