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Wyszukujesz frazę "Lord-Shulman theory" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Forced vibrations of a thermoelastic double porous microbeam subjected to a moving load
    Autorzy:
    Kumar, Rajneesh
    Vohra, Richa
    Powiązania:
    https://bibliotekanauki.pl/articles/281208.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
    Tematy:
    double porosity
    thermoelasticity
    Lord-Shulman theory
    microbeam
    moving load
    Opis:
    The present paper deals with forced vibrations of a homogeneous, isotropic thermoelastic double porous microbeam subjected to moving load, in context of Lord-Shulman theory of thermoelasticity with one relaxation time. The Laplace transform has been applied to obtain expressions for the axial displacement, lateral deflection, volume fraction field and temperature distribution. A numerical inversion technique has been used to recover the resulting quantities in the physical domain. Effects of velocity and time parameters are shown graphically by plotting axial displacement, lateral deflection, volume fraction field and temperature distribution against distance. Some particular cases are also deduced.
    Źródło:
    Journal of Theoretical and Applied Mechanics; 2019, 57, 1; 155-166
    1429-2955
    Pojawia się w:
    Journal of Theoretical and Applied Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wave propagation in 2D between two elastic media in contact in theory of generalized two temperature thermoelasticity with gravity effect
    Autorzy:
    Lotfy, Khaled
    Gabr, Mahmoud
    El-Bary, Alaa Abd
    Powiązania:
    https://bibliotekanauki.pl/articles/240130.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    generalized thermoelasticity
    surface waves
    two temperatures
    Lord-Shulman theory
    influence of gravity
    Opis:
    The theory of generalized two-temperature thermoelasticity is used to solve the boundary value problems between two elastic media with two different types of temprature under the influence of gravity.The classical dynamical coupled theory and Lord-Şhulman theory are used to obtain the general solution of the governing equations and investigate the effect of surface waves in an isotropic elastic medium subjected to gravity field. The harmonic vibrations method is used to obtain the displacement components, stress tensor and temperature distribution in the considerd physical domain with comparison with the two theories. The obtained analytic solution of the problem is applied for special cases for which the effect of two temperatures is studied. The conductive and dynamical temperatures as well as stress and strain components are shown graphically for a suitable material. Some comparisons are also introduced in the absence and in the presence of gravity, and two-temperature parameter. The differences in the obtained results between the two theories are considered.
    Źródło:
    Archives of Thermodynamics; 2020, 41, 1; 219-243
    1231-0956
    2083-6023
    Pojawia się w:
    Archives of Thermodynamics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of rotation on a semiconducting medium with two-temperatures under L-S theory
    Autorzy:
    Othman, M. I. A.
    Tantawi, R. S.
    Eraki, E. E. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/240324.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    normal mode analysis
    Lord-Shulman theory
    rotation
    conductive temperature
    semiconductors
    teoria Lorda-Shulmana
    obrót
    temperatura przewodzenia
    półprzewodniki
    Opis:
    The model of the equations of generalized thermoelasticity in a semi-conducting medium with two-temperature is established. The entire elastic medium is rotated with a uniform angular velocity. The formulation is applied under Lord-Schulman theory with one relaxation time. The normal mode analysis is used to obtain the expressions for the considered variables. Also some particular cases are discussed in the context of the problem. Numerical results for the considered variables are obtained and illustrated graphically. Comparisons are also made with the results predicted in the absence and presence of rotation as well as two-temperature parameter.
    Źródło:
    Archives of Thermodynamics; 2017, 38, 2; 101-122
    1231-0956
    2083-6023
    Pojawia się w:
    Archives of Thermodynamics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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