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    Wyświetlanie 1-5 z 5
    Tytuł:
    Response due to mechanical source in second axisymmetric problem of micropolar elastic medium
    Autorzy:
    Singh, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/955263.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    transformata Laplace'a
    siła skupiona
    sprężystość
    eigenvalue
    micropolar elastic medium
    Laplace transforms
    Hankel transforms
    concentrated force
    microrotation
    Rhomberg’s integration
    Opis:
    The second axisymmetric problem in a micropolar elastic medium has been investigated by employing an eigen value approach after applying the Laplace and the Hankel transforms. An example of infinite space with concentrated force at the origin has been presented to illustrate the application of the approach. The integral transforms have been inversed by using a numerical technique to obtain the components of microrotation, displacement, force stress and couple stress in the physical domain. The results for these quantities are given and illustratred graphically.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2013, 18, 4; 1249-1261
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Eigen value approach to two dimensional problem in generalized magneto micropolar thermoelastic medium with rotation effect
    Autorzy:
    Singh, R.
    Kumar, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/265881.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    termosprężystość
    elastyczność
    transformacje całkowe
    magneto micropolar
    thermoelasticity
    eigenvalue
    elasticity
    integral transforms
    Opis:
    In this study an eigen value approach has been employed to examine the mechanical force applied along with a transverse magnetic field in a two dimensional generalized magneto micropolar thermoelastic infinite space. Results have been obtained by treating rotational velocity to be invariant. Integral transforms have been applied to solve the system of partial differential equations. Components of displacement, normal stress, tangential couple stress, temperature distribution, electric field and magnetic field have been obtained in the transformed domain. Finally numerical inversion technique has been used to invert the result in the physical domain. Graphical analysis has been done to described the study.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2016, 21, 1; 205-219
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thermal disturbances in twinned orthotropic thermoelastic material
    Autorzy:
    Rani, L.
    Singh, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/265550.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    termoelastyczność
    transformaty Fouriera
    czas relaksacji
    generalized thermoelasticity
    orthotropic material
    relaxation time
    Fourier transforms
    instantaneous loading
    Opis:
    This paper deals with deformation in homogeneous, thermally conducting, single-crystal orthotropic twins, bounded symmetrically along a plane containing only one common crystallographic axis. The Fourier transforms technique is applied to basic equations to form a vector matrix differential equation, which is then solved by the eigen value approach. The solution obtained is applied to specific problems of an orthotropic twin crystal subjected to triangular loading. The components of displacement, stresses and temperature distribution so obtained in the physical domain are computed numerically. A numerical inversion technique has been used to obtain the components in the physical domain. Particular cases as quasi-static thermo-elastic and static thermoelastic as well as special cases are also discussed in the context of the problem.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2018, 23, 4; 897-910
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Axisymmetric vibration for micropolar porous thermoelastic circular plate
    Autorzy:
    Kumar, R.
    Kaushal, P.
    Sharma, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/266270.pdf
    Data publikacji:
    2017
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    micropolar porous thermoelasticity
    eigen value
    Laplace and Hankel transforms
    thermomechanical sources
    porowatość termoelastyczna
    transformata Laplace'a
    transformata Hankela
    Opis:
    The present investigation is concerned with a two dimensional axisymmetric problem in a homogeneous isotropic micropolar porous thermoelastic circular plate by using the eigen value approach. The Laplace and Hankel transform are used to solve the problem. The expression of displacements, microrotation, volume fraction field, temperature distribution and stresses are obtained in the transformed domain subjected to thermomechanical sources. A computer algorithm is developed for numerical computations. To obtain the resulting quantities in a physical domain, a numerical inversion technique is used. The resulting quantities are depicted graphically for a specific model. Some special cases are also deduced.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2017, 22, 3; 583-600
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    MHD flow past a parabolic flow past an infinite isothermal vertical plate in the presence of thermal radiation and chemical reaction
    Autorzy:
    Muthucumaraswamy, R.
    Sivakumar, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/265859.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    MHD
    płyta pionowa
    promieniowanie cieplne
    metoda transformacji Laplace'a
    isothermal
    radiation
    vertical plate
    thermal radiation
    chemical reaction
    Laplace transforms technique
    Opis:
    The problem of MHD free convection flow with a parabolic starting motion of an infinite isothermal vertical plate in the presence of thermal radiation and chemical reaction has been examined in detail in this paper. The fluid considered here is a gray, absorbing emitting radiation but a non-scattering medium. The dimensionless governing coupled linear partial differential equations are solved using the Laplace transform technique. A parametric study is performed to illustrate the influence of the radiation parameter, magnetic parameter, chemical reaction parameter, thermal Grashof number, mass Grashof number, Schmidt number and time on the velocity, temperature, concentration. The results are discussed graphically and qualitatively. The numerical results reveal that the radiation induces a rise in both the velocity and temperature, and a decrease in the concentration. The model finds applications in solar energy collection systems, geophysics and astrophysics, aerospace and also in the design of high temperature chemical process systems.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2016, 21, 1; 95-105
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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