Národní úložiště šedé literatury Nalezeno 14 záznamů.  předchozí11 - 14  přejít na záznam: Hledání trvalo 0.00 vteřin. 
Dispersive optical bistability in unidirectional ring cavity
Šrobár, Fedor
The models of dispersive optical bistability in unidirectional ring cavity yield transmitted intensity as a function of input intensity with additional parameters /mirror reflectivity and phase shift/. There is a feedback element in the description: the dependence of the phase shift on the transmitted power. The region of physically unstable states is marked by the condition specifying that the transmission function of the feedback loop present in the representative causal diagram is greater than 1.
Analytical approaches of local stability investigation applied to piecewise linear vibrating system - Kelvin-Voigt impact oscillator
Kocanda, Lubomír
Dynamical behaviour of soft impact oscillator is multifarious with plenty of manifold behaviour kinds commensurated with system parameters. The stability analysis of soft impact oscillator is very important for dynamic investigation. Floquet theory or Ljapunov exponent approach can be applied in numerical integration. However, contrary to numerical integration results processing, the analytic-numerical approaches give better view of the dynamical nub despite its' facing mutual very diverse terms. Approaches based on eigenvalue problem and small difference method presented in authors past papers are eked out with this contribution. This paper aim is to obtain the result of the local stability investigation approaches in analytical form.
Simulation of the oscillator with soft impacts
Peterka, František
Numerical simulations are powerful tool for the investigation of nonlinear dynamical systems. Especially mechanical systems with impacts, which belong into systems with discontinuities, have complex response on periodic excitation and theoretically can be solved only the simplest periodic regimes. Dynamics of impact oscillators was successfully investigated in sixties using analogue simulation [1]. Numerical simulations developed extensively during last ten years and they are replacing on more comfortable level analogue simulations.

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