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Wyszukujesz frazę "Rogowski, B." wg kryterium: Wszystkie pola

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    Wyświetlanie 1-4 z 4
    Tytuł:
    The fundamental solutions for the stress intensity factors of modes I, II and III. The axially symmetric problem
    Autorzy:
    Rogowski, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/266303.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    cracks
    Green's functions
    stress intensity factors
    analytical solution
    transversely isotropic
    pęknięcia
    funkcje Greena
    naprężenia
    Opis:
    The subject of the paper are Green’s functions for the stress intensity factors of modes I, II and III. Green’s functions are defined as a solution to the problem of an elastic, transversely isotropic solid with a penny-shaped or an external crack under general axisymmetric loadings acting along a circumference on the plane parallel to the crack plane. Exact solutions are presented in a closed form for the stress intensity factors under each type of axisymmetric ring forces as fundamental solutions. Numerical examples are employed and conclusions which can be utilized in engineering practice are formulated.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2015, 20, 2; 345-372
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Contact problem of conducting and heated punch on a multifield foundation
    Autorzy:
    Rogowski, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/264461.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    magneto-electro-thermo-elastic medium
    conducting and heated punch
    contact problem
    exact solution
    sprężystość materiałów
    potencjał elektryczny
    potencjał magnetyczny
    Opis:
    The solution for a multifield material subjected to temperature loading in a circular region is presented in an explicit analytical form. The study concerns the steady – state thermal loading infinite region (heated embedded inclusion), half – space region and two – constituent magneto – electro – thermo – elastic material region. The new mono – harmonic potential functions, obtained by the author, are used in the analysis of punch problem. The more interested case in which the contact region is annular is analyzed. By using the methods of triple integraf equations and series solution technique the solution for an indentured multifield substrate over an annular contact region is given. The sensitivity analysis of obtained indentation parameters shows some interesting points. In particular, it shows that the increasing of the applied electric and magnetic potentials reduces the indentation depth in multifield materials.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2015, 20, 3; 531-564
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of mode I conducting crack in piezo-electro-magneto-elastic layer
    Autorzy:
    Rogowski, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/264519.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    warstwa elastyczna
    szczelina dielektryczna
    natężenie pola
    magneto electro-elastic layer
    penny-shaped crack
    dielectric crack
    field intensity factors
    exact solution
    Opis:
    Within the theory of linear magnetoelectroelasticity, the fracture analysis of a magneto - electrically dielectric crack embedded in a magnetoelectroelastic layer is investigated. The prescribed displacement, electric potential and magnetic potential boundary conditions on the layer surfaces are adopted. Applying the Hankel transform technique, the boundary - value problem is reduced to solving three coupling Fredholm integral equations of second kind. These equations are solved exactly. The corresponding semi - permeable crack - face magnetoelectric boundary conditions are adopted and the electric displacement and magnetic induction of crack interior are obtained explicitly. This field inside the crack is dependent on the material properties, applied loadings, the dielectric permittivity and magnetic permeability of crack interior, and the ratio of the crack length and the layer thickness. Field intensity factors are obtained as explicit expressions.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2013, 18, 1; 153-176
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Anti – plane crack emanating from the interface in a bounded smart PEMO- elastic structure
    Autorzy:
    Rogowski, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/955285.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    interfejs
    natężenie pola
    transformacja Fouriera
    równanie Cauchy'ego
    interface
    anti-plane shear crack
    singularity of power law
    field intensity factors
    magnetoelectroelastic behaviour
    Fourier transform
    Cauchy singular integral equation
    exact solution
    Opis:
    The magnetoelectroelastic analysis of two bonded dissimilar piezo-electro-magneto-elastic ceramics with a crack perpendicular to and terminating at the interface is made. By using the Fourier integral transform (in perpendicular directions in each materials), the mixed boundary conditions and continuity conditions are transformed to a singular integral equation with generalized Cauchy kernel, the solution of which has been well studied, and classical methods are directly applicable here to obtain the closed form solution. The results are presented for a permeable crack under anti-plane shear loading and in-plane electric and magnetic loadings, as prescribed electric displacement and magnetic inductions or electric and magnetic fields. The results indicate that the magnetoelectroelastic field near the crack tip in the homogeneous PEMO- elastic ceramic is dominated by a traditional inverse square-root singularity, while the coupled field near the crack tip at the interface exhibits the singularity of the power law r--α , r being the distance from the interface crack tip and α depending on the material constants of a bimaterial. In particular, electric and magnetic fields have no singularity at the crack tip in a homogeneous solid, whereas they are singular around the interface crack tip. Numerical results are given graphically to show the effects of the material properties on the singularity order, field intensity factors and energy release rates. The results presented in this paper should have potential applications to the design of multilayered magnetoelectroelastic structures.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2013, 18, 4; 1165-1199
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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