Národní úložiště šedé literatury Nalezeno 9 záznamů.  Hledání trvalo 0.00 vteřin. 
Ambiguousness and basins of attraction of the oscillator with soft impacts
Peterka, František ; Čipera, Stanislav
Dynamics of oscillators with soft impacts is characterized, in the comparison with oscillators with rigid impacts, by the existence of subharmonic impact motions, which should be excited by special motion initial conditions. The investigation of such motions was performed using the evaluation of basins of attraction of the oscillator motion regimes. New impact motions were ascertained and general conclusions were formulated.
Regions of subharmonic motions of the oscillator with Hertz's model of impact
Peterka, František ; Čipera, S.
There were obtained new laws of dynamics of impact oscillators with soft impacts. They will be partially explained using oscillator with the Hertz model of soft impact. Special features of motion with soft impacts in the comparison with the motion with rigid impacts will be shown by the evaluation of regions of existence and basins of attraction of different subharmonic impact motions.
Chaos typu intermitence u oscilátoru s rázy
Peterka, František ; Čipera, Stanislav ; Kotera, T.
Chaotický pohyb typu intermitence se vyskytuje u oscilátoru s rázy v okolí hranic stability typu sedlo-uzel subharmonických pohybů se dvěma rázy v periodě pohybu. Chaos vzniká v důsledku výskytu dodatečných rázů v procesu rozvoje nestability.
The approximation of correlation dimension of strange attractors of two-masses mechanical system with impacts
Čipera, S. ; Peterka, František
The motion of the pair of bodies with the both-sides impacts and dry friction forces is considered. The Poincaré sections in phase-space of the relative motion are utilized. The correlation dimensions of strange attractors are estimated from numerically generated data with respect to the changes of the drive frequency.

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