Results 1 to 10 of about 99,429 (248)

Modelling and researching of forced spatial vibrations of axial fans [PDF]

open access: diamondMATEC Web of Conferences, 2019
This work presents a mechanic - mathematical matrix modelling of the forced spatial vibrations of an axial fan. The axial fan is considered as a mechanical system consisting of three rigid bodies and with 18 degrees of freedom. The differential equations
Slavov Valentin, Vukov Georgi
doaj   +2 more sources

Improvement of Numerical Manifold Method using Nine-node ‎Quadrilateral and Ten-node Triangular Elements along with ‎Complex Fourier RBFs in Modeling Free and Forced Vibrations [PDF]

open access: greenJournal of Applied and Computational Mechanics, 2021
In this paper, the numerical manifold method (NMM) with a 9-node quadrilateral element and a 10-node triangular element is developed. Furthermore, complex Fourier shape functions are used to improve the 9-node quadrilateral NMM.
Mohammad Malekzadeh   +2 more
doaj   +2 more sources

Dynamics of railway bridges, analysis and verification by field tests [PDF]

open access: yesMATEC Web of Conferences, 2015
The following paper discusses different aspects of railway bridge dynamics, comprising analysis, modelling procedures and experimental testing. The importance of realistic models is discussed, especially regarding boundary conditions, load distribution ...
Andersson Andreas, Karoumi Raid
doaj   +3 more sources

On the Influence of Magnetic Field on the Forms of Free and Forced Vibrations of a Three-Layer Plate Containing Magnetorheological Elastomer

open access: greenМеханика машин, механизмов и материалов, 2014
Free and forced vibrations of a three-layered rectangular plate containing a magnetorheological elastomer is considered. The influence of the external stationary magnetic field on the natural frequencies and decrement of the plate is analyzed.
S.S. Maevskaia, G.I. Mikhasev
doaj   +1 more source

Application of the finite difference method for modeling cantilever bar vibrations [PDF]

open access: yesE3S Web of Conferences, 2020
The paper is devoted to mathematical modeling of cantilever bars using the finite difference method. This method is widely used in structural mechanics for solving static problems.
Volnikov M I
doaj   +1 more source

Microscopic Dynamic Mechanism of Irreversible Thermodynamic Equilibration of Crystals

open access: yesQuantum Reports, 2021
The dynamics of free and forced vibrations of a chain of particles are investigated in a harmonic model taking into account the retardation of interactions between atoms. It is found that the retardation of interactions between particles leads to the non-
Anatoly Yu. Zakharov, Maxim A. Zakharov
doaj   +1 more source

Liquid Vibrations in Cylindrical Tanks with and Without Baffles Under Lateral and Longitudinal Excitations

open access: yesInternational Journal of Applied Mechanics and Engineering, 2020
The paper is devoted to issues of estimating free surface elevations in rigid cylindrical fluid-filled tanks under external loadings. The possibility of baffles installation is provided.
E. Strelnikova   +3 more
doaj   +1 more source

Effect of memory dependent derivative and variable thermal conductivity in cantilever nano-Beam with forced transverse vibrations

open access: yesForces in Mechanics, 2021
This research work studies the effect of variable thermal conductivity on transversely isotropic thermoelastic (TIT) homogeneous nonlocal clamped-free beam. The beam undergoes forced vibrations due to two types of heat sources i.e.
Iqbal Kaur, Kulvinder Singh
doaj   +1 more source

Investigation of the forced spatial vibrations of a wood shaper, caused by rotor’s unbalance of its electric motor and by cutting forces [PDF]

open access: yesMATEC Web of Conferences, 2020
Mechanic-mathematical matrix modeling of the forced spatial vibrations of a wood shaper is performed in this study .The wood shaper is modeled as a mechanical system of three rigid bodies, which are connected by elastic and damping elements with each ...
Slavov Valentin, Vukov Georgi
doaj   +1 more source

Influence of the mesh structure of geodesic domes on their seismic response in applied directions [PDF]

open access: yesArchives of Civil Engineering, 2023
The paper presents the determination of the impact of earthquakes of varying intensity on the structure of geodesic domes. The structures of the analyzed domes were designed on the basis of the regular octahedron according to two different methods of ...
Dominika Bysiec, Tomasz Maleska
doaj   +1 more source

Home - About - Disclaimer - Privacy