Zobrazeno 1 - 10
of 62
pro vyhledávání: '"Irina V Papkova"'
Autor:
Vadim A. Krysko, Irina V. Papkova, Tatiana V. Yakovleva, Alena A. Zakharova, Maksim V. Zhigalov, Anton V. Krysko
Publikováno v:
Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 331, Iss 5, Pp 87-96 (2020)
The research relevance. Nanoelectromechanical systems, being highly sensitive sensors with small dimensions and reliable in operation, are increasingly used in the oil and gas industry for monitoring various processes in oil production, from explorat
Externí odkaz:
https://doaj.org/article/3bc84aa3e6634c7e8fc0d6cbf8f8ffe6
Publikováno v:
Известия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика, Vol 19, Iss 3, Pp 305-316 (2019)
A theory of nonlinear dynamics of a flexible single-layer micropolar cylindrical shell of a network structure is constructed. The geometric nonlinearity is taken into account by the model of Theodor von Karman. We consider a nonclassical continuum sh
Externí odkaz:
https://doaj.org/article/efea834a16b847e899a45691c54f5c8f
Autor:
Tatiana V. Yakovleva, Ilya E. Kutepov, Antonina Yu Karas, Nikolai M. Yakovlev, Vitalii V. Dobriyan, Irina V. Papkova, Maxim V. Zhigalov, Olga A. Saltykova, Anton V. Krysko, Tatiana Yu Yaroshenko, Nikolai P. Erofeev, Vadim A. Krysko
Publikováno v:
The Scientific World Journal, Vol 2020 (2020)
This paper analyzes a case with the patient having focal structural epilepsy by processing electroencephalogram (EEG) fragments containing the “sharp wave” pattern of brain activity. EEG signals were recorded using 21 channels. Based on the fact
Externí odkaz:
https://doaj.org/article/64db019fcb24469cbb8dac7a02d83e43
Publikováno v:
Materials, Vol 13, Iss 14, p 3187 (2020)
Microelectromechanical systems (MEMS) are increasingly playing a significant role in the aviation industry and space exploration. Moreover, there is a need to study the neutron radiation effect on the MEMS structural members and the MEMS devices reli
Externí odkaz:
https://doaj.org/article/7108b14dd99d4e5d9028bfab55c37698
Publikováno v:
Advances in Mathematical Physics, Vol 2017 (2017)
The paper discusses the impact of the von Kármán type geometric nonlinearity introduced to a mathematical model of beam vibrations on the amplitude-frequency characteristics of the signal for the proposed mathematical models of beam vibrations. An
Externí odkaz:
https://doaj.org/article/5730a2271b16446c8b2520baa13e8e24
Publikováno v:
Известия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика, Vol 21, Iss 1, Pp 48-59 (2021)
In this paper, a mathematical model of complex oscillations of a flexible micropolar cylindrical mesh structure is constructed. Equations are written in displacements. Geometric nonlinearity is taken into account according to the Theodore von Karman
Autor:
I. E. Kutepov, S. A. Mitskievich, Anton V. Krysko, V.A. Krysko, Jan Awrejcewicz, Irina V Papkova
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 235:48-62
In this study, an analysis of mechanical vibrations influenced by external additive white Gaussian noise and colored noise is conducted using the principal component analysis. The principal component analysis is widely employed for encoding images in
Publikováno v:
Russian Physics Journal. 62:1649-1655
A new mathematical model of oscillations of mesh micropolar geometrically nonlinear cylindrical panels under the action of a normal alternating distributed load has been constructed. The equations of motion for an element of a smooth panel equivalent
Publikováno v:
International Journal of Nonlinear Sciences and Numerical Simulation. 20:373-386
Different kinematic mathematical models of nonlinear dynamics of a contact interaction of two microbeams are derived and studied. Dynamics of one of the microbeams is governed by kinematic hypotheses of the first, second, and third approximation orde
Publikováno v:
Известия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика, Vol 19, Iss 3, Pp 305-316 (2019)
A theory of nonlinear dynamics of a flexible single-layer micropolar cylindrical shell of a network structure is constructed. The geometric nonlinearity is taken into account by the model of Theodor von Karman. We consider a nonclassical continuum sh