Search Results - "Abramian, A K"

Wave propagation in a two-dimensional plane straight duct with panels embedded in its sidewalls by Abramian, A.K.

“…This paper presents analytical solutions of the problem of two-dimensional pressure wave propagation in a plane straight duct with rigid spring-supported wall…”
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Oscillations of a string on an elastic foundation with space and time-varying rigidity by Abramian, A. K., van Horssen, W. T., Vakulenko, S. A.

“…The dynamics of a string on an elastic foundation with time- and coordinate-dependent coefficients have been studied. Asymptotic solutions have been…”
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A new model for the study of rain-wind-induced vibrations of a simple oscillator by van der Burgh, A.H.P., Hartono, Abramian, A.K.

“…In this paper, a model equation is presented for the study of rain-wind-induced vibrations of a simple oscillator. As will be shown the presence of raindrops…”
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On oscillations of a beam with a small rigidity and a time-varying mass by Abramian, A. K., van Horssen, W. T., Vakulenko, S. A.

“…In this paper, we show that oscillations of an Euler–Bernoulli beam with a small rigidity and with a time varying mass can lead to a resonance, which involves…”
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Peculiarities of the interaction of a structure with moving ice by Indeitsev, D. A., Abramian, A. K., Bessonov, N. M.

“…A new model describing the vibration caused by the interaction between the moving ice cover and a structure attached to the bottom is proposed. The equations…”
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Nonlinear vibrations of a beam with time-varying rigidity and mass by Abramian, A. K., van Horssen, W. T., Vakulenko, S. A.

“…We consider asymptotic solutions for nonlinear beams that can be described by a fourth order hyperbolic equation with an integral nonlinearity and some space…”
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On the free vibrations of an oscillator with a periodically time-varying mass by van Horssen, W.T., Abramian, A.K., Hartono

“…In this paper the free vibrations of a linear, single degree of freedom oscillator with a (periodically and stepwise changing) time-varying mass have been…”
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Nonlinear Ritz method and the motion of defects by Abramian, A. K., Vakulenko, S. A.

“…We consider certain special dissipative systems having important physical applications. We construct approximate solutions describing the motion of defects and…”
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Vibration and nonstationary wave localization within elastic constructions by Abramian, A. K.

“…The phenomenon of vibration and nonstationary wave localization within beams, plates, and shells has been studied using a linear and a non-linear approach…”
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On the free vibrations of an oscillator with a periodically time-varying mass by VAN HORSSEN, W. T, ABRAMIAN, A. K, HARTONO

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Dynamic failure of dry and fully saturated limestone samples based on incubation time concept by Yuri V. Petrov, Ivan V. Smirnov, Grigory A. Volkov, Andrei K. Abramian, Аnatoliy M. Bragov, Stanislav N. Verichev

“…This paper outlines the results of experimental study of the dynamic rock failure based on the comparison of dry and saturated limestone samples obtained…”
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Localized modes in a nonlinear system by Abramian, A. K., Vakulenko, S. A.

“…It is shown that there exist a large class of nonlinear elastic systems (which includes both dissipative and conservative systems) where localized modes…”
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On the occasion of the 20th anniversary of the accident on the Chernobyl NPP: medical consequences in Armenia by Oganesian, N M, Petrosian, Sh M, Miridzhanian, M I, Asrian, K V, Pogosian, A S, Oganesian, A N, Abramian, A K, Arutiunian, G R, Karapetian, A G, Gevorkian, E G, Petrosian, Zh G, Arutiunian, N K

“…The aim of this work is the analysis of the indices of the health and of the structure of the sicknesses of the inhabitants of Armenia who took part in the…”
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Nonlinear parametric oscillation of a beam contacting with ideal compressible liquid in a channel by Abramian, A. K., Andreyev, V. L., Indejtchev, D. A.

“…The influence of compressible liquid on nonlinear oscillation of a channel back boundary is studied. The back boundary is a beam with a thrust on an elastic…”
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Resonance oscillations of infinite and finite elastic structures with inclusions by Abramian, A. K., Andreyev, V. L., Indejtchev, D. A.

“…It has been found that by the type of a system operator and type of inclusions the discrete spectrum may lie above the cutoff frequency of the continuous…”
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Wave localization in hydroelastic systems by ABRAMIAN, A. K, INDEJTSEV, D. A, VAKULENKO, S. A

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Results of a follow-up of participants in the liquidation of the effects of the Chernobyl AES accident by Oganesian, N M, Ogandzhanian, E A, Melikian, I E, Malikoian, S A, Tiroian, G M, Asrian, K V, Abramian, A K, Batikian, I G

“…The paper is concerned with the results of analysis of a clinico-laboratory study of persons (residents of Armenia) who took part in the elimination of the…”
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Coherent structures in dynamical systems described by hyperbolic equation by Abramian, A.K., Vakulenko, S.A.

“…This paper focuses on the problem of the large time behaviour and the structure formation for nonlinear hyperbolic equations. These equations can arise as…”
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