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Wyszukujesz frazę "hollow cylinder" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
An analytical investigation of a 2D-PPMs hollow infinite cylinder under thermo-electro-mechanical (TEM) loadings
Autorzy:
Meshkini, M.
Firoozbakhsh, K.
Jabbari, M.
SelkGhafari, A.
Powiązania:
https://bibliotekanauki.pl/articles/279772.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
piezoelectric
porothermoelastisity
2D-PPMs
hollow cylinder
TEM
Opis:
The analytical solution of steady-state asymmetric thermo-electro-mechanical loads of a hollow thick infinite cylinder made of porous piezoelectric materials (2D-PPMs) based on two-dimensional equations of thermoelasticity is considered. The general form of thermal and mechanical boundary conditions is considered on the inside and outside surfaces. A direct method is used to solve the heat conduction equation and the non-homogenous system of partial differential Navier equations using the complex Fourier series and the powerexponential law functions method. The material properties are assumed to depend on the radial and circumferential variable and are expressed as power-exponential law functions along the radial and circumferential direction.
Źródło:
Journal of Theoretical and Applied Mechanics; 2018, 56, 1; 107-122
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thermomechanical responses of functionally graded cylinders
Autorzy:
Eker, Mehmet
Yarımpabuç, Durmuş
Powiązania:
https://bibliotekanauki.pl/articles/2175500.pdf
Data publikacji:
2021
Wydawca:
Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:
functionally graded materials
hollow cylinder
pseudospectral Chebyshev method
thermal stress
funkcjonalne materiały gradientowe
pusty cylinder
pseudospektralna metoda Czebyszewa
naprężenia termiczne
Opis:
In this study, thermal and mechanical stresses in hollow thick-walled functionally graded (FG) cylinders is presented under the convection boundary condition. The convective external condition and constant internal temperature in hollow cylinders are investigated. Inhomogeneous material properties produce irregular and two-point linear boundary value problems that are solved numerically by the pseudospectral Chebyshev method. The displacement and thermal stress distributions are examined for two different material couples under particular boundary conditions that are similar to their real engineering applications.Results have demonstrated that the pseudospectral Chebyshev method has low computation costs, high accuracy and ease of implementation and can be easily customized to such engineering problems.
Źródło:
Journal of Applied Mathematics and Computational Mechanics; 2021, 20, 4; 19--28
2299-9965
Pojawia się w:
Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phase velocity and attenuation of longitudinal shear vibrations of hollow poroelastic cylinders
Autorzy:
Ahmed Shah, S.
Javvad Hussaini, S.
Powiązania:
https://bibliotekanauki.pl/articles/955126.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
prędkość fazowa
tłumienie drgań podłużnych
teoria Biota
Biot's theory
hollow cylinder
shear waves
frequency equation
phase velocity
attenuation
wavenumber
dissipation
Opis:
The present paper is devoted to the study of phase velocity and attenuation of longitudinal shear vibrations of hollow poroelastic circular cylinders in the presence of dissipation. The explicit expressions for phase velocity and attenuation of longitudinal shear vibrations are derived. The frequency equation of longitudinal shear vibrations and modes obtained in a previous paper are used to compute the phase velocity and attenuation for different dissipations for thin and thick poroelastic cylindrical shells and poroelastic solid cylinder. The physical parameters of sandstone saturated with kerosene and sandstone saturated with water are used for the purpose of computation. It is found that the phase velocity is linear beyond certain frequency. Phase velocity is smaller for a typical anti-symmetric mode compared to the flexural mode. It is greater for the second mode than that of the first mode. Also the phase velocity is larger for a thin poroelastic cylindrical shell than that of a thick poroelastic cylindrical shell. The same is true for attenuation also. Attenuation is very high for the considered dissipations and it increases with the increase in dissipation.
Źródło:
International Journal of Applied Mechanics and Engineering; 2014, 19, 2; 337-346
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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