Results 21 to 30 of about 17,717 (266)

Applied theory of flexural vibrations of a piezoactive bimorph in the framework of an uncoupled boundary-value problem of thermoelectroelasticity

open access: yesСовременная математика: Фундаментальные направления, 2023
In this paper, we consider transverse steady oscillations of a piezoactive bimorph in the formulation of a plane deformation. The problem is solved within the framework of linear thermoelectroelasticity, while the temperature problem is solved separately
A. N. Soloviev   +2 more
doaj   +1 more source

Study on Lateral Vibration of Tail Coach for High-Speed Train under Unsteady Aerodynamic Loads

open access: yesVibration, 2023
As the speed of high-speed trains increases, the vehicle’s lateral stability steadily deteriorates. There have been observations of abnormal vibrations in the tail car, particularly on certain sections of the railway line.
Tian Li, Yifan Li, Lai Wei, Jiye Zhang
doaj   +1 more source

Vibrational Heat Transfer Intensification in an Annulus with a Deformable Boundary

open access: yesShock and Vibration, 2019
An experimental study is carried out on heat transfer in a horizontal liquid annulus at boundary oscillations. The inner boundary is formed by a copper rod that is heated using electric current.
Nikolai Kozlov
doaj   +1 more source

Plane waves and problems of steady vibrations in the theory of viscoelasticity for Kelvin-Voigt materials with double porosity

open access: yesArchives of Mechanics, 2016
In the present paper the linear theory of viscoelasticity for Kelvin–Voigt materials with double porosity is considered. Some basic properties of plane harmonic waves are established and the boundary value problems (BVPs) of steady vibrations are ...
M.M. Svanadze
doaj   +1 more source

Experimental Study of the Vibrations of a Roller Shutter Gripper

open access: yesApplied Sciences, 2022
The article presents issues related to an experimental study of the vibrations of a roller shutter gripper on a robotic palletizing station. The authors presented the developed and built construction of the gripper for handling whole layers of products ...
Wojciech Kaczmarek   +4 more
doaj   +1 more source

Blade dynamic stress analysis of rotating bladed disks [PDF]

open access: yesApplied and Computational Mechanics, 2007
The paper deals with mathematical modelling of steady forced bladed disk vibrations and with dynamic stress calculation of the blades. The blades are considered as 1D kontinuum elastic coupled with three-dimensional elastic disk centrally clamped into ...
Kellner J., Zeman V.
doaj  

Nonlinear vibrations of a moving rail-vehicle excited by snaking and lateral impacts of wheel sets

open access: yesComputer Assisted Methods in Engineering and Science, 2022
The paper develops a theory of physically non-linear vibrations of a rail-vehicle moving on a rectilinear and non-deformable track. The vibrations are excited by snaking and lateral impacts of the wheel sets.
Marian Klasztorny
doaj  

Potential method in the theory of Moore-Gibson-Thompson thermoporoelasticity

open access: yesArchives of Mechanics
In the present paper the linear theory of Moore–Gibson–Thompson thermoporoelasticity is considered and the basic boundary value problems (BVPs) of steady vibrations are investigated.
M. Svanadze
doaj   +1 more source

Hyperactive ice‐binding proteins stabilize cell membranes and improve resistance to dehydration stress in Caenorhabditis elegans

open access: yesFEBS Open Bio, EarlyView.
TisIBP8, a fungal‐derived hyperactive ice‐binding protein, helps Caenorhabditis elegans survive dehydration. It localizes near cell membranes, reduces cell damage, and helps maintain membrane structure during drying. These results suggest that ice‐binding proteins can protect cells from dehydration stress as well as freezing stress.
Daiki Shimose   +9 more
wiley   +1 more source

On the Discrete–Continuous Modeling of Rotor Systems for the Analysis of Coupled Lateral Torsional Vibrations

open access: yesInternational Journal of Rotating Machinery, 2000
In the paper, dynamic investigations of the rotor shaft systems are performed by means of the discrete-continuous mechanical models. In these models the rotor shaft segments are represented by the rotating cylindrical flexurally and torsionally ...
Tomasz Szolc
doaj   +1 more source

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