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Experimental equipment for simultaneous dynamic and optical measurements on a vibrating profile with two degrees of freedom was designed and realized. One degree of freed [...]
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The paper is devoted to the analysis of the contact stresses and contact fatigue, especially at the rolls of rolling mils and railway wheels. The experimental and analyti [...]
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Slender structures exposed to wind influences are subjected to a random component of the pressure generated by a fluctuation part of the wind velocity. The structure it [...]
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The paper is devoted to dynamical analysis of a railway vehicle motion along a direct waved railway. A mathematical model of this discrete multibody system that consists [...]
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Byrtus, M.
The paper summarizes the method of nonlinear normal modes (NNMs) which has gained importance in nonlinear dynamics. Two main definitions of NNMs are discussed: Rosenberg' [...]
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In order to simulate a launch, all space instruments undergo a vibration tests. Due to the fixing points in vibrating machines being different, adapters are used for each [...]
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This paper is aimed at reducing vibrations of bladed disk in particular operating state. The damping element used in this contribution is realized by a strap with isoscel [...]
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Abstrakt: The impact motion of rigid rotor supported on passive magnetic bearings is studied. Impacts on passive magnetic bearings are investigated. Impacts occur in reta [...]
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The tilting pad bearings are very often applied in high speed rotating machines. The exact solution of bearing characteristics, including the motion of tilting pads, is v [...]
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Čech, V. jun.
This paper deals with introduction to problems of measurement of mechanical vibration with six degrees of freedom by optic sensors. Short description of method for improv [...]
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In this paper we discuss the use of adaptive methodology in non-linear analysis based on Finite Element Method. It is focused on static problems of elastoplasticity. Beca [...]
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Abstrakt: A parametric optimization of the gearbox in steady vibration excited by gear kinematics transmission errors is presented. The process is based on the gearbox de [...]
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The contribution deals with the modelling of the rolling contact between the wheel set of the railway vehicle and the curved railway and subsequently with the lateral mot [...]
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The paper deals with mathematical modelling of vibration and modal analysis of an individual wheelset drive with a hollow graduated shaft. The method is based on the syst [...]
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Abstrakt: The excited one degree of freedom mechanical system with soft impacts, characterised by triangle hysteresis loop, is investigated using numerical simulation. Sm [...]
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Mudrik, J.
Contribution deals with machine aggregates with locking elements (worm gearings and cross-axis helical gearings). Vibrational processes in aggregates with locking mechani [...]
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Abstrakt: Two relatively independent areas of the gearing science have been distinctively outlined and considerably progressed in the last decade. The "Theory of gearing" [...]
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Engineering structures subjected to dynamic loading are often equipped with special devices proposed to suppress adverse motion. However, these installations are often d [...]
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Podešva, J.
The modeling of the mechanical structures with large number of degrees of freedom (DOF) was in the past the problem of the machine time and disk space. On the today’s h [...]
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Scuffing is a particularly severe form of gear tooth surface damage in which seizure or welding together of areas of tooth surfaces occurs, due to absence or breakdown of [...]
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The basic problem of analytical and computer design of the spatial gears is the synthesis of their tooth surfaces. The technology of many gear pairs manufacture is based [...]
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This paper presents a solution of high-frequency dynamic effects occurring in the mesh of pair of gears that was formulated and calculated using the MATLAB development en [...]
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The analysis of dynamics of time heteronymous weakly and strongly non-linear planetary transmission systems with kinematic couplings – gears constitutes a study of comp [...]
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The present world development of mobile machines leads to a highpowered high-speed constructions with minimum dimensions and masses. By such light high-speed systems as a [...]
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The impact effects in gear mesh represent specific phenomena in the dynamic investigation of highspeed light transmission systems with kinematic couplings. They are cause [...]
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The point of contribution consists in the analysis of linear and nonlinear damping influence on the dynamic properties of the specific case of pseudoplanetary system with [...]
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