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Wyszukujesz frazę "Sidorov, M. V." wg kryterium: Autor

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    Wyświetlanie 1-6 z 6
    Tytuł:
    Numerical Analysis of the Problem of Flow Past a Cylindrical Body Applying the R-Functions Method and The Galerkin Method
    Autorzy:
    Lamtyugova, S.N.
    Sidorov, M. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/410652.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Oddział w Lublinie PAN
    Tematy:
    viscous incompressible fluid
    flow problem
    R-functions method
    Galerkin method
    Opis:
    The article considers the stationary problem of viscous incompressible fluid flow past a cylindrical body. For solving the problem it is proposed a numerical method, based on the joint use of R-functions method and the Galerkin method. The computational experiment has been conducted for the task of flow past square cylinder for different Reynolds numbers.
    Źródło:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2014, 3, 3; 43-50
    2084-5715
    Pojawia się w:
    ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    About correct method of analytical solution of multipoint boundary problems of structural mechanics for systems of ordinary differential equations with piecewise constant coefficients
    Autorzy:
    Akimov, P. A.
    Sidorov, V. N.
    Mozgaleva, M. L.
    Powiązania:
    https://bibliotekanauki.pl/articles/402376.pdf
    Data publikacji:
    2010
    Wydawca:
    Politechnika Świętokrzyska w Kielcach. Wydawnictwo PŚw
    Opis:
    This paper is devoted to correct method of analytical solution of multipoint boundary problems of structural mechanics for systems of ordinary differential equations with piecewise constant coefficients. Its major peculiarities include uni-versality, computer-oriented algorithm involving theory of distributions, computational stability, optimal conditionality of resultant systems and partial Jordan decomposition of matrix of coefficients, eliminating necessity of calculation of root vectors.
    Źródło:
    Structure and Environment; 2010, 2. no. 3; 21-24
    2081-1500
    Pojawia się w:
    Structure and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stifness operator for boundary problems of structural analysis and several new variational formulations
    Autorzy:
    Zolotov, A. B.
    Sidorov, V. N.
    Akimov, P. A.
    Mozgaleva, M. L.
    Powiązania:
    https://bibliotekanauki.pl/articles/402415.pdf
    Data publikacji:
    2010
    Wydawca:
    Politechnika Świętokrzyska w Kielcach. Wydawnictwo PŚw
    Tematy:
    stiffness operator
    boundary problems
    structural analysis
    variational formulations
    Opis:
    So-called "stiffness operator" for boundary problems of structural analysis is introduced in the distinctive paper. There is a direct analogy between this stiffness operator and corresponding stiffness matrix of the considering structure in terms of finite element method. Namely we can consider stiffness operator as a limiting (continual) generalization of stiffness matrix. The explicit formulation of stiffness operator is presented. Several new variational formulations are discussed as well.
    Źródło:
    Structure and Environment; 2010, 2, 2; 9-13
    2081-1500
    Pojawia się w:
    Structure and Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study of the Defect Structure of $Hg_{1-x}Cd_{x}Te$ Films by Ion Milling
    Autorzy:
    Pociask, M.
    Izhnin, I.
    Ilyina, E.
    Dvoretsky, S.
    Mikhailov, N.
    Sidorov, Yu.
    Varavin, V.
    Mynbaev, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1811974.pdf
    Data publikacji:
    2008-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    73.61.Ga
    61.80.Jh
    66.30.Lw
    Opis:
    A study of the defect structure of heteroepitaxially grown $Hg_{1-x}Cd_{x}Te$ (MCT) films was performed with the use of ion milling. Undoped and in situ As- (acceptor) or In- (donor) doped films with x=0.22, grown by molecular beam epitaxy on GaAs substrates, as-grown and annealed, were subjected to ion milling with subsequent electrical characterization. The results obtained on the MBE films were compared to those acquired on wafers cut from bulk crystals, and on epitaxial films grown by liquid and vapor phase epitaxy. In all the MBE films ion milling revealed a presence of a neutral defect with concentration ≈ $10^{17} cm^{-3}$, formed at the stage of the growth. Residual donor concentration in the films was found to be of the order of $10^{15} cm^{-3}$, which is typical of high-quality MCT.
    Źródło:
    Acta Physica Polonica A; 2008, 114, 5; 1293-1301
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Magnetic Properties of FeSeTe Compound Crystallized from Liquid Phase
    Autorzy:
    Lewandowski, S.
    Berkowski, M.
    Tarenkov, V.
    D'yachenko, A.
    Abal'oshev, A.
    Abal'osheva, I.
    Gawryluk, D.
    Domukhovski, V.
    Sidorov, S.
    Boichenko, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1536749.pdf
    Data publikacji:
    2010-08
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    74.25.Ha
    74.45.+c
    74.62.Bf
    74.70.Xa
    75.30.Cr
    Opis:
    We report on measurements of samples with nominal composition $FeSe_{0.5}Te_{0.5}$, crystallized by the Bridgman method. Magnetic and transport properties of the samples were examined. The measurements confirm the coexistence of ferromagnetism and superconductivity below the superconducting transition temperature. The ferromagnetic contribution to magnetization, estimated at 10%, might be caused by the presence of ferrimagnetic $Fe_7Se_8$, which occupies about 10% of sample volume. From the Andreev spectroscopy we found superconducting energy gap Δ = 2.6 meV at T = 4.2 K, and from magnetization measurements the critical temperature $T_c$ = 15.8 K. The critical current density in magnetic field H = 4 kOe, determined from magnetization measurements, is $j_c$ = (1-2) × 1$0^4$ A/$cm^2$ and weakly depends on magnetic field intensity.
    Źródło:
    Acta Physica Polonica A; 2010, 118, 2; 289-291
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microwave radiometry in monitoring and emergency mapping of water seepage and dangerously high groundwaters
    Autorzy:
    Shutko, A. M.
    Haldin, A.
    Krapivin, V.
    Novichikhin, E.
    Sidorov, I.
    Tishchenko, Y.
    Haarbrink, R.
    Georgiev, G.
    Kancheva, R.
    Nikolov, H.
    Coleman, T.
    Archer, F.
    Pampaloni, P.
    Paloscia, S.
    Krissilov, A.
    Camps Carmona, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/307666.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Łączności - Państwowy Instytut Badawczy
    Tematy:
    remote sensing
    passive microwave radiometry
    soil moisture
    water seepage
    risk assessment
    Opis:
    Detailed and geo-referenced maps identifying the locations of saturated and dry levees can be produced using microwave radiometric measurements from a light aircraft or helicopter, and integrated with GPS for positioning and orientation. The development of synergetic remote sensing technology for raised groundwater and seepage detection by the joint use of microwave and optical data along with GIS databases is an effective and most contemporary way of supporting risk assessment and facilitating disaster prevention and management. In this paper we present a remote sensing microwave technology for monitoring and detection of areas of water seepage through irrigation constructions, levees and dykes as well as for revealing areas with dangerously high groundwater level. The possibility for emergency response mapping, integrated with GPS and GIS data, facilitates the risk assessment and management services. The passive microwave radiometry (PMR) is based on spectral measurements in the millimetre to decimetre range of wavelengths. Compared to other remote sensing techniques, such as colour and infrared photography, thermal images and lidar, PMR is the only technology taking measurements under the earth's surface and therefore is very well suited for water seepage and underground water monitoring in a fast and reliable way.
    Źródło:
    Journal of Telecommunications and Information Technology; 2007, 1; 76-82
    1509-4553
    1899-8852
    Pojawia się w:
    Journal of Telecommunications and Information Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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