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586 results on '"Yakovleva, T."'

12. Distance Education Programs on the Example of Medical Education

Author

Tikhomirova, A. A., Barmasov, A. V., Barmasova, A. M., Stankova, E. N., Yakovleva, T. Yu., Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Gervasi, Osvaldo, editor, Murgante, Beniamino, editor, Misra, Sanjay, editor, Garau, Chiara, editor, Blečić, Ivan, editor, Taniar, David, editor, Apduhan, Bernady O., editor, Rocha, Ana Maria A. C., editor, Tarantino, Eufemia, editor, Torre, Carmelo Maria, editor, and Karaca, Yeliz, editor

Published
2020
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15. Chaotic vibrations of flexible functionally graded porous closed size-dependent cylindrical shells.

Author

Yakovleva, T. V. and Krysko, V. A.

Subjects
*CYLINDRICAL shells, *HAMILTON'S principle function, *CAUCHY problem, *RUNGE-Kutta formulas, *DIFFERENTIAL equations
Abstract

In this study, new mathematical models are developed for nonlinear functionallу-grаded pоrous (PFG) nano/micro/macro closed cylindrical Kirchhoff-Love shells. The thеorу by Yang is used as a mathematical framework to model the size-dependent behaviour of composite shells. Geometric nonlinearity is incorporated using the T. von Karman model. The material composition of the shells is heterogeneous, consisting of ceramic and metal phases. The differential equations governing the system, along with the boundary and initial conditions, are derived using Hamilton's principle. To simplify the equations, the Faedo-Galerkin method is employed in high approximations, which reduces the governing PDEs to a Cauchy problem. The mеthоd's cоnvеrgеnce is invеstigаted to ensure accurate results. To solve the resulting Cauchy problem, several Runge-Kutta methods of different orders of accuracy are utilized. This ensures reliable and accurate solutions for the system. Various types of porosity are considered in the study. It is shown that the value of the small scale parameter has an effect on the character of the vibrations in shells. In fact, the phenomenon of hyper-chaos is revealed, indicating complex and unpredictable behaviour in the system. The study contributes to the understanding of the mechanical behaviour of porous nonlinear functionally graded cylindrical shells and sheds light on the impact of small scale parameters and porosity on their oscillations and stability. [ABSTRACT FROM AUTHOR]

Published
2024
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20. Prototype of Informational Infrastructure of a Program Instrumentation Complex for Carrying Out a Laboratory Practicum on Physics in a University

Author

Dyachenko, N. V., Barmasov, A. V., Stankova, E. N., Struts, A. V., Barmasova, A. M., Yakovleva, T. Yu., Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Gervasi, Osvaldo, editor, Murgante, Beniamino, editor, Misra, Sanjay, editor, Borruso, Giuseppe, editor, Torre, Carmelo M., editor, Rocha, Ana Maria A.C., editor, Taniar, David, editor, Apduhan, Bernady O., editor, Stankova, Elena, editor, and Cuzzocrea, Alfredo, editor

Published
2017
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23. The Use of Computer Technology as a Way to Increase Efficiency of Teaching Physics and Other Natural Sciences

Author

Stankova, E. N., Barmasov, A. V., Dyachenko, N. V., Bukina, M. N., Barmasova, A. M., Yakovleva, T. Yu., Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Gervasi, Osvaldo, editor, Murgante, Beniamino, editor, Misra, Sanjay, editor, Rocha, Ana Maria A.C., editor, Torre, Carmelo M., editor, Taniar, David, editor, Apduhan, Bernady O., editor, Stankova, Elena, editor, and Wang, Shangguang, editor

Published
2016
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24. Development of the Methods for Hydrometric Computation and Coordination of Streamflow.

Author

Iz'yurova, Yu. V. and Yakovleva, T. I.

Subjects
*STREAMFLOW, *BACKWATER, *GENERALIZATION, *STREAM-gauging stations
Abstract

The paper provides an overview of the methods for hydrometric streamflow computation in the regime and real-time variants developed at the State Hydrological Institute and intended for inclusion in the technologies for automated processing and generalization of hydrological observations, which were included in the Roshydromet regulatory documents put into effect in 2017–2022. The results of further development of the methodological basis for water discharge calculations in the conditions of variable backwater are given on the example of the reach of the Ob River from Barnaul to Kamen-on-Ob. To control the reliability of streamflow computation at gauging sections, it is proposed to use the computation and analysis of dynamic (short-term) channel water balances as the most effective tool. The effectiveness of using the improved methods for streamflow computation and coordination is shown through examples. [ABSTRACT FROM AUTHOR]

Published
2024
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