Search Results - "Afanasyev, A. N."

Coronal Shock Waves, EUV Waves, and Their Relation to CMEs. II. Modeling MHD Shock Wave Propagation Along the Solar Surface, Using Nonlinear Geometrical Acoustics by Afanasyev, A. N., Uralov, A. M.

“…We model the propagation of a coronal shock wave, using nonlinear geometrical acoustics. The method is based on the Wentzel–Kramers–Brillouin (WKB) approach…”
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Coronal Shock Waves, EUV Waves, and Their Relation to CMEs. I. Reconciliation of “EIT Waves”, Type II Radio Bursts, and Leading Edges of CMEs by Grechnev, V. V., Uralov, A. M., Chertok, I. M., Kuzmenko, I. V., Afanasyev, A. N., Meshalkina, N. S., Kalashnikov, S. S., Kubo, Y.

“…We show examples of the excitation of coronal waves by flare-related abrupt eruptions of magnetic rope structures. The waves presumably rapidly steepened into…”
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Modelling the Propagation of a Weak Fast-Mode MHD Shock Wave near a 2D Magnetic Null Point Using Nonlinear Geometrical Acoustics by Afanasyev, A. N., Uralov, A. M.

“…We present the results of analytical modelling of fast-mode magnetohydrodynamic wave propagation near a 2D magnetic null point. We consider both a linear wave…”
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Coronal Shock Waves, EUV Waves, and Their Relation to CMEs. III. Shock-Associated CME/EUV Wave in an Event with a Two-Component EUV Transient by Grechnev, V. V., Afanasyev, A. N., Uralov, A. M., Chertok, I. M., Eselevich, M. V., Eselevich, V. G., Rudenko, G. V., Kubo, Y.

“…On 17 January 2010, STEREO-B observed in extreme ultraviolet (EUV) and white light a large-scale dome-shaped expanding coronal transient with perfectly…”
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A Challenging Solar Eruptive Event of 18 November 2003 and the Causes of the 20 November Geomagnetic Superstorm. II. CMEs, Shock Waves, and Drifting Radio Bursts by Grechnev, V. V., Uralov, A. M., Chertok, I. M., Slemzin, V. A., Filippov, B. P., Egorov, Y. I., Fainshtein, V. G., Afanasyev, A. N., Prestage, N. P., Temmer, M.

“…We continue our study (Grechnev et al. , 2013 , doi: 10.1007/s11207-013-0316-6 ; Paper I) on the 18 November 2003 geoffective event. To understand possible…”
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Effect of Local Thermal Equilibrium Misbalance on Long-wavelength Slow Magnetoacoustic Waves by Nakariakov, V. M., Afanasyev, A. N., Kumar, S., Moon, Y.-J.

“…Evolution of slow magnetoacoustic waves guided by a cylindrical magnetic flux tube that represents a coronal loop or plume, is modeled accounting for the…”
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Propagation of a fast magnetoacoustic shock wave in the magnetosphere of an active region by Afanasyev, A. N., Uralov, A. M., Grechnev, V. V.

“…The propagation of a fast magnetoacoustic shock wave the magnetosphere of a solar active region is considered the nonlinear geometrical acoustics…”
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Frequency and structure of endocrine diseases in young elite athletes by Okorokov, P. L., Aksenova, N. V., Babaeva, E. V., Zyabkin, I. V., Afanasyev, A. N.

“…There is no data on the prevalence of endocrine disorders in young elite athletes in Russia. Objective: to assess the prevalence of endocrine pathologies and…”
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Excitation of decay-less transverse oscillations of coronal loops by random motions by Afanasyev, A. N, Van Doorsselaere, T, Nakariakov, V. M

“…A&A 633, L8 (2020) The relatively large-amplitude decaying regime of transverse oscillations of coronal loops has been known for two decades and interpreted in…”
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A nickel-based brazing alloy for brazing creep-resisting alloys and steels by Lukin, V.I., Rylnikov, V.S., Afanasyev-Khodykin, A.N.

“…The main types of brazing alloys used for brazing creep-resisting alloys and steels are investigated and their characteristics and main special features…”
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Investigation of low-temperature sintering of silver paste by Lukin, V.I., Rylnikov, V.S., Afanasyev-Khodykin, A.N., Loshchinin, Yu.V.

“…Investigations were carried out into thermal effects taking place during drying and sintering of a silver-containing paste used for the production of…”
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Intelligent learning environments for corporations by Afanasyev, A. N., Voit, N. N.

“…The purpose of our research is to develop and implement the methods and tools for the organization and functioning of the intelligent computer-based learning…”
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Technology of brazing and heat treatment of brazed joints in creep-resisting deformable (EP975) and cast single crystal intermetallic (VKNA-4U) alloys by Lukin, V.I., Rylnikov, V.S., Bazyleva, O.A., Afanasyev-Khodykin, A.N.

“…The problems of producing high-strength permanent joints in dissimilar nickel-based alloys are investigated. The results of investigation of the effect of the…”
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Control of UML diagrams in designing automated systems software by Afanasyev, A. N., Voit, N. N., Voevodin, E. Yu, Gainullin, R. F.

“…The syntax-oriented methods for the syntax and semantic analysis and control of UML models in designing automated systems software are pro-posed. The methods…”
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Special features of diffusion welding of EP975 creep-resisting alloy and VKNA-4U cast single-crystal intermetallic alloy for blisk structures by Lukin, V.I., Rylnikov, V.S., Afanasyev-Khodykin, A.N., Timofeyeva, O.B.

“…The problem of producing high-strength permanent joints in dissimilar alloys, VKNA-4U single-crystal intermetallic alloy and EP975 deformed nickel…”
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Coronal Shock Waves, EUV waves, and their Relation to CMEs. II. Modeling MHD Shock Wave Propagation Along the Solar Surface, Using Nonlinear Geometrical Acoustics by Afanasyev, A. N, Uralov, A. M

“…We model the propagation of a coronal shock wave, using nonlinear geometrical acoustics. The method is based on the Wentzel-Kramers-Brillouin (WKB) approach…”
Get full text

A Challenging Solar Eruptive Event of 18 November 2003 and the Causes of the 20 November Geomagnetic Superstorm. II. CMEs, Shock Waves, and Drifting Radio Bursts by Grechnev, V. V, Uralov, A. M, Chertok, I. M, Slemzin, V. A, Filippov, B. P, Egorov, Ya. I, Fainshtein, V. G, Afanasyev, A. N, Prestage, N. P, Temmer, M

“…Solar Physics, 2014, Volume 289, Issue 4, pp.1279-1312 We continue our study (Grechnev et al. (2013), doi:10.1007/s11207-013-0316-6; Paper I) on the 18…”
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Special features of brazing single-crystal castings of ZhS32 alloy by Lukin, V.I., Rylnikov, V.S., Afanasyev-Khodykin, A.N., Orekhov, N.G.

“…The technology of brazing high-strength permanent joints in single-crystal alloys is described in the example of ZhS32 alloy. A technology has been developed…”
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Coronal Shock Waves, EUV waves, and Their Relation to CMEs. I. Reconciliation of "EIT waves", Type II Radio Bursts, and Leading Edges of CMEs by Grechnev, V. V, Uralov, A. M, Chertok, I. M, Kuzmenko, I. V, Afanasyev, A. N, Meshalkina, N. S, Kalashnikov, S. S, Kubo, Y

“…We show examples of excitation of coronal waves by flare-related abrupt eruptions of magnetic rope structures. The waves presumably rapidly steepened into…”
Get full text

Coronal Shock Waves, EUV Waves, and Their Relation to CMEs. III. Shock-Associated CME/EUV Wave in an Event with a Two-Component EUV Transient by Grechnev, V. V, Afanasyev, A. N, Uralov, A. M, Chertok, I. M, Eselevich, M. V, Eselevich, V. G, Rudenko, G. V, Kubo, Y

“…On 17 January 2010, STEREO-B observed in extreme ultraviolet (EUV) and white light a large-scale dome-shaped expanding coronal transient with perfectly…”
Get full text