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  • Stochastic heating of charged particles 
    Buts, V.A.; Kuzmin, V.V.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2013)
    Comparison of two schemes of heating of charged particles is provided – at interaction with the field of wave with chaotically changing phase and with the field of the regular wave in the conditions of overlapping of ...
  • Stochastic heating of charged particles in absence of first order resonances 
    Antonov, A.N.; Buts, V.A.; Kornilov, E.A.; Svichensky, V.G.; Kuzmin, V.V.; Tolstoluzhsky, A.P. (Вопросы атомной науки и техники, 2015)
    Dynamics of charged particles in external electromagnetic fields in the absence of resonances proportional to the first degree of intensity of an electromagnetic field is investigated. Two schemes are investigated. In the ...
  • Stochastic heating of electrons by electromagnetic waves 
    Ognivenko, V.V. (Вопросы атомной науки и техники, 2000)
    In the present paper the nonlinear dynamics of electrons motion in the fields of two combinational waves or in the fields of one combinational wave and a longitudinal wave is considered. The mechanism of electrons energy ...
  • Stochastic heating of electrons in capacitive RF discharges by plasma oscillations 
    Manuilenko, O.V. (Вопросы атомной науки и техники, 2012)
    Stochastic heating of electrons by plasma oscillations excited in the capacitive discharge plasma is investigated theoretically. We have obtained criteria, when the stochastic heating take place, and demonstrated numerically ...
  • Stochastic impulsive processes on superposition of two renewal processes 
    Koroliuk, V.S.; Manca, R.; D'Amico, G. (Український математичний вісник, 2014)
    Stochastic impulsive processes given by a sum of random variables on superposition of two renewal processes are considered on increasing time intervals. Algorithms of average, diffusion approximation and large deviation ...
  • Stochasticity of the magnetic field lines and high Z ion motion 
    Shishkin, O.A.; Shishkin, A.A.; Wobig, H. (Вопросы атомной науки и техники, 2000)
    Stochastic layer of the magnetic field lines is numerically analyzed for the realistic magnetic field of HELIAS reactor with use of the flux coordinate system. Analytical expressions for the stochastic diffusion coefficients ...
  • Stochastic loss of alpha particles in a helias reactor 
    Kolesnichenko, Ya.I.; Beidler, C.D.; Marchenko, V.S.; Sidorenko, I.N.; Wobig, H. (Вопросы атомной науки и техники, 2000)
    Abstract. It is shown that collisionless orbit transformation of the locally trapped particles to the locally passing ones and vice versa in the Wendelstein-line optimized stellarators results in stochastic diffusion of ...
  • Stochastic mechanism of broadening spectral density of synchrotron radiation of relativistic electron 
    Mazmanishvili, A.S. (Вопросы атомной науки и техники, 2021)
    The consideration is based on the study of the spectral profile of the synchrotron radiation (SR) line of a relativistic electron orbiting in a circular orbit in the uniform magnetic field. Fast stochastic fluctuations ...
  • Stochastic modelling of a hybrid renewable energy system 
    Varetsky, Y.; Hanzelka, Z. (Технічна електродинаміка, 2016)
    This paper discusses the issue of modelling a hybrid renewable energy system for a micro-grid connected to a bulk power system. The objective of the work is to create a tool for assessing the feasibility of an energy hybrid ...
  • Stochastic Model Predictive Control for Hybrid Energy Systems 
    Gienger, A; Sachs, J.; Sawodny, O. (Электронное моделирование, 2017)
    Microgrids are a promising approach for the integration of renewable energy sources in existing networks and the energy supply of rural areas. A cost effective option for a microgrid is given by a hybrid energy system, ...
  • Stochastic optimal control problem with delay 
    Agayeva, Ch.A. (2006)
    A stochastic optimal control problem with variable delay on phase and on control is considered. The maximum principle for a nonlinear stochastic control system with controlled diffussion coeffcient is proved.
  • Stochastic processes crossing from ballistic to fractional diffusion with memory: exact results 
    Ilyin, V.; Procaccia, I.; Zagorodny, A. (Condensed Matter Physics, 2010)
    We address the now classical problem of a diffusion process that crosses over from a ballistic behavior at short times to a fractional diffusion (sub- or super-diffusion) at longer times. Using the standard non-Markovian ...
  • Stochastic processes in some Besov spaces 
    Yakovenko, T. (2007)
    The norm of increments of stochastic process in space Lq[a, b] is estimated and conditions under which trajectories of process belong to some Besov spaces are found.
  • Stochastic refinement systems and nonseparable random geometric structures 
    Virchenko, Yu.P.; Shpilinskaya, O.L. (Вопросы атомной науки и техники, 2001)
    Probabilistic study method of fractally disodered media is proposed. It is suggested on the base of introducing of the space refinement concept.
  • Stochastic resonance in nuclear fission 
    Berezovoj, V.P.; Bolotin, Yu.L.; Dzyubak, A.P.; Yanovsky, V.V.; Zhiglo, A.V. (Вопросы атомной науки и техники, 2001)
    Fission decay of highly excited periodically driven compound nuclei is considered in the framework of Langevin approach. We used residual-time distribution (RTD) as a tool for studying the dynamic features in the presence ...
  • Stochastic resonance in symmetric double well: higher harmonics 
    Zhiglo, A.V. (Вопросы атомной науки и техники, 2001)
    The work deals with the phenomenon of Stochastic Resonance in its genuine model, proposed by B. McNamara and K. Wiesenfeld for explanation of long-term climatic changes on Earth. It is shown that in two state model the ...
  • Stochastic scattering in Cen A radio lobes 
    Sydorenko, M.V.; Marchenko, V.V.; Sushchov, O.B.; Kobzar, O.O. (Advances in Astronomy and Space Physics, 2013)
    The results of direct numerical modelling of the cosmic ray acceleration in strongly excited turbulence, where quasi-linear theory is non-applicable, are presented. We model turbulent plasma by a set of randomly propagated ...
  • Stochastic Semigroups and Coagulation Equations 
    Lachowicz, M. (Український математичний журнал, 2005)
    A general class of bilinear systems of discrete or continuous coagulation equations is considered. It is shown that their solutions can be approximated by the solutions of appropriate stochastic systems describing the ...
  • Stochastic simulation of destruction processes in self-irradiated materials 
    Patsahan, T.; Taleb, A.; Stafiej, J.; Holovko, M.; Badiali, J.P. (Condensed Matter Physics, 2017)
    Self-irradiation damages resulting from fission processes are common phenomena observed in nuclear fuel containing (NFC) materials. Numerous α-decays lead to local structure transformations in NFC materials. The damages ...
  • Stochastic simulation of the nonlinear kinetic equation with high-frequency electromagnetic fields 
    Andriash, A.V.; Bobylev, A.V.; Brantov, A.V.; Bychenkov, V.Yu.; Karpov, S.A.; Potapenko, I.F. (Вопросы атомной науки и техники, 2013)
    A general approach to Monte Carlo methods for Coulomb collisions is proposed. Its key idea is an approximation of Landau-Fokker-Planck (LFP) equations by Boltzmann equations of quasi-Maxwellian kind. Highfrequency fields ...