Zobrazeno 1 - 10 of 77 pro vyhledávání: '"I. I. Potapov"'
4
On the Development of Wave Disturbances of the Bottom Surface in Rivers and Channels
Autor: I. I. Potapov, Yu. G. Silakova
Publikováno v: Izvestiya, Atmospheric and Oceanic Physics. 57:192-196
On the basis of an analytical model of the flow of tractional sediments which takes into account the influence of the slopes of the bottom surface and bottom normal and tangential stresses on the movement of the bottom material, an analytical solutio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff2a683a3c23e13a8a08cff091faeda8
https://doi.org/10.1134/s0001433821020092
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5
On the Engelund–Fredsøe Channel-Stability Problem
Autor: A. G. Petrov, I. I. Potapov
Publikováno v: Izvestiya, Atmospheric and Oceanic Physics. 56:373-377
To settle the Engelund–Fredsoe channel-stability problem, a condition is defined in this paper which makes it possible to determine the value of the phase shift between the flow rate of the sediment load and the maximum of the bottom tangential str
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3cae02dc520413d02204eb14a380f0e9
https://doi.org/10.1134/s0001433820040088
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6
Solution of Fluid Dynamics Problems in Truncated Computational Domains
Autor: K. S. Snigur, I. I. Potapov
Publikováno v: Computational Mathematics and Mathematical Physics. 59:484-492
A mathematical model consisting of quasi-hydrodynamic equations and Dong’s outflow boundary conditions is proposed for solving fluid dynamics problems in a truncated computational domain. A solution algorithm based on finite-element and control-vol
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b79b7ed0445e5ef0ebf9e41ce3f2b83
https://doi.org/10.1134/s0965542519030138
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7
An Analytical Review of Global Ecoinformatics Problems
Autor: I. I. Potapov
Publikováno v: Scientific and Technical Information Processing. 45:63-69
Modern global eco-dynamics problems are discussed. It is noted that global changes are mostly characterized by several key features, such as their multicomponent nature, as well as interactivity and nonlinearity. These features challenge various fore
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::acac4f9629137da48761d88e6c71268f
https://doi.org/10.3103/s014768821802003x
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8
Simulation of turbulent flow over periodic bottom surface
Autor: A. G. Petrov, I. I. Potapov
Publikováno v: Izvestiya, Atmospheric and Oceanic Physics. 53:367-372
A mathematical model is developed for the simulation of 2D turbulent flow over a periodic surface. An asymptotic solution is found which allows the estimation of the velocity field and tangential stress at a preset periodic form of a surface and roug
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a6f11e5b61d30565687e4d0f3d0eb234
https://doi.org/10.1134/s0001433817030094
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10
Effect of sediment particle size on bed wavelength in closed conduits
Autor: I. I. Potapov, Yu. G. Krat
Publikováno v: Journal of Applied Mechanics and Technical Physics. 57:441-445
The problem of the stability of the sand bed surface in a rectangular closed conduit with respect to spatially one-dimensional perturbations is formulated. The bed-form stability problem is solved using an analytical formula of bed load which takes i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da056d6069aef4c6980420298ab862ea
https://doi.org/10.1134/s002189441603007x
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