Search Results - "Petrosyan, A.S."

Parametric instabilities in shallow water magnetohydrodynamics of astrophysical plasma in external magnetic field by Klimachkov, D.A., Petrosyan, A.S.

“…This article deals with magnetohydrodynamic (MHD) flows of a thin rotating layer of astrophysical plasma in external magnetic field. We use the shallow water…”
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Rossby waves in the magnetic fluid dynamics of a rotating plasma in the shallow-water approximation by Klimachkov, D. A., Petrosyan, A. S.

“…We have studied rotating magnetohydrodynamic flows of a thin layer of astrophysical plasma with a free boundary in the β-plane. Nonlinear interactions of the…”
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Nonlinear wave interactions in shallow water magnetohydrodynamics of astrophysical plasma by Klimachkov, D. A., Petrosyan, A. S.

“…The rotating magnetohydrodynamic flows of a thin layer of astrophysical and space plasmas with a free surface in a vertical external magnetic field are…”
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Nonlinear theory of magnetohydrodynamic flows of a compressible fluid in the shallow water approximation by Klimachkov, D. A., Petrosyan, A. S.

“…Shallow water magnetohydrodynamic (MHD) theory describing incompressible flows of plasma is generalized to the case of compressible flows. A system of MHD…”
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Nonlinear dynamics of magnetohydrodynamic flows of a heavy fluid on slope in the shallow water approximation by Karelsky, K. V., Petrosyan, A. S., Tarasevich, S. V.

“…Magnetohydrodynamic equations for a heavy fluid over an arbitrary surface are studied in the shallow water approximation. While solutions to the shallow water…”
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Invasive treatments for Osgood-Schlatter disease (systematic literature review) by Lazko, F.L., Ananyin, D.A., Petrosyan, A.S., Awad, M.M., Panin, M.A., Al Bawareed, O.A.

“…Introduction Osgood-Schlatter disease is manifested by pain, swelling and the appearance of a painful "bump" in the area of the tibial tuberosity. For 90 % of…”
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Conservative treatment of avascular necrosis of the femoral head (literature review) by Panin, M.A., Boiko, A.V., Abakirov, M. Dzh, Petrosyan, A.S., Ananin, D.A., Awad, M.M.

“…Introduction Avascular necrosis of the femoral head is a debilitating disease affecting people of working age and having an important medical and social role…”
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Nonlinear dynamics of magnetohydrodynamic flows of a heavy fluid in the shallow water approximation by Karelsky, K. V., Petrosyan, A. S., Tarasevich, S. V.

“…The system of the magnetohydrodynamic equations for a heavy fluid has been analyzed in the shallow water approximation. All discontinuous self-similar…”
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Nonlinear theory of the compressible gas flows over a nonuniform boundary in the gravitational field in the shallow-water approximation by Karel’skii, K. V., Petrosyan, A. S., Chernyak, A. V.

“…A set of equations is derived for the motion of a compressible ideal gas over a nonuniform boundary in the gravitational field in the shallow-water…”
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On the Solvability of One Class of Nonlinear Integral Equations with a Noncompact Hammerstein–Stieltjes-Type Operator on the Semiaxis by Khachatryan, Kh. A., Petrosyan, A. S.

“…We study a class of nonlinear integral equations with a noncompact operator of the Hammerstein–Stieltjes-type on the semiaxis. The existence of positive…”
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Nonlinear dynamics of flows of a heavy compressible gas in the shallow water approximation by Karelsky, K. V., Petrosyan, A. S., Chernyak, A. V.

“…The system of the equations of motion for a compressible gas in the gravitational field over a smooth underlying surface has been analyzed in the shallow water…”
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Silver-carboxymethyl chitin nanocomposites by Alexandrova, V. A., Shirokova, L. N., Bondarenko, G. N., Petrosyan, A. S.

“…Nanocomposite macromolecular systems consisting of silver nanoparticles immobilized in a carboxymethyl chitin matrix are obtained. The method of ultrasonic…”
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Particular solutions of shallow-water equations over a non-flat surface by Karelsky, K.V., Papkov, V.V., Petrosyan, A.S., Tsygankov, D.V.

“…It is shown that the generalization of elementary solutions of the classical shallow water equations to the case of a non-flat surface is possible only for the…”
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The initial discontinuity decay problem for shallow water equations on slopes by Karelsky, K.V, Papkov, V.V, Petrosyan, A.S

“…The initial discontinuity decay problem for shallow water equations on slopes is formulated and solved. The nondegenerate transformation of dependent and…”
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Numerical simulations of the nearsurface phenomena on Mars by Karelsky, K.V., Petrosyan, A.S.

“…We use a system of univelocity equations for a multi-phase fluid as a description of the Mars atmosphere to achieve a better understanding of the dependence of…”
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