1.
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Skrzypczyk, J.
In this paper we study the generalized eigenvalue problem Ax=λBx for matrices with II-order perturbations with use of perturbation numbers. Such general formulation appe [...]
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2.
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Hynek, Pavel
Abstrakt: This paper describes three modelling technique for rub related phenomena in rotor systems and compares their suitability for numerical simulation. Numerical tes [...]
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3.
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Frequency modal and damping characteristics of an aeroelastic model designed for experiments in the wind tunnel are studied. Based on the experimental modal analysis the [...]
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4.
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Tůma, J.
The paper deals with the problem of angular vibration measurements. The source of information about angular vibrations is an incremental rotary encoder producing a string [...]
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5.
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Daněk, V.
The stability of the asymmetric flight regimes, where the couplings between longitudinal and lateral aerodynamic characteristics are significantly influencing each other, [...]
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6.
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Nikiforov, A.
Mathematical model describing the vibratory impact motion of rotor and floating sealing ring is suggested. Hertz’s theory is used. The model allows studying the station [...]
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7.
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This paper deals with the methodology of the modelling of rotating shafts with flexible disks. Rotating shafts are modelled as one dimensional continuum on the basis of [...]
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8.
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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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9.
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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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10.
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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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11.
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Malenovský, E.
This contribution deals with the overview of methods, which are used for analysis of dynamic behavior of rotor dynamics systems. The main of background research topics ar [...]
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12.
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The dynamic properties of rotor supported on passive magnetic bearings is investigated by means of numerical solution and by measurement on the prototype of experimental [...]
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13.
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Tůma, J.
The paper deals with angular vibration measurements using incremental rotation encoders. The main topic is focused at errors due to the impulse non-uniform distribution v [...]
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14.
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Zapoměl, J.
The rotor systems consit of two principal components, of a rotor and of a stationary part, and the fluid film bearings are often used as coupling elements. As the clearan [...]
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15.
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Many structures encountered in civil, mechanical, naval or aerospace engineering can show properties of auto-parametric systems. The general mathematical structure of the [...]
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16.
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This paper is concerned with mathematical modeling of the imperfect bladed disk with friction elements, which are used to suppress blade vibration. These kinds of systems [...]
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17.
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Zapoměl, Jaroslav
Abstrakt: Properties of fluid film bearings are significantly influenced by the shape of the cross section of the holes in the bearing shells. In computational models the [...]
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18.
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The paper deals with the modelling of balancing machine vibration and the identification of the stiffness and damping coefficients of oil-film bearings. The real balancin [...]
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19.
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The contribution deals with a mathematical model of bending vibrations of a slender flexible rotor, excited by unbalance when passing the critical speed. The analysed rot [...]
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20.
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The paper deals with the modeling and evaluation of stability conditions of the balanced rotating system with rigid discs supported on two anisotropic hydrodynamic bearin [...]
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21.
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Dupal, J.
The paper deals with a new approach to critical speed determination of rotors by means of the simple method against the so far used iterative method and a method utilizin [...]
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