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  • 1
    Electronic Resource
    Electronic Resource
    Vibrations of Generally Laminated Long Cylindrical Panels
    Amsterdam : Elsevier
    Journal of Sound and Vibration 170 (1994), S. 276-279 
    Details
    ISSN: 0022-460X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1006/jsvi.1994.1062
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  • 2
    Electronic Resource
    Electronic Resource
    Non-linear beam-type vibrations of long cylindrical shells
    Amsterdam : Elsevier
    International Journal of Non-Linear Mechanics 22 (1987), S. 327-334 
    Details
    ISSN: 0020-7462
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0020-7462(87)90025-4
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  • 3
    Electronic Resource
    Electronic Resource
    Optimum press-fit parameters for hard-alloy teeth in drill-bit cones (1975)
    Springer
    Chemical and petroleum engineering 11 (1975), S. 48-52 
    Details
    ISSN: 1573-8329
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01143995
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  • 4
    Electronic Resource
    Electronic Resource
    On the elasto-plastic stress concentration at a circular hole in an anisotropic sheet (1982)
    Springer
    Acta mechanica 43 (1982), S. 73-84 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The classical problem of determining the stress concentration factor at a circular hole embedded in an infinite sheet subjected to remote uniform tension is investigated. A finite strain elasto-plastic deformation theory based on Hill's new anisotropic flow theory [7] is used. It is shown that the governing field equations can be reduced to a single first order differential equation from which the stress concentration factor is obtained by a standard numerical method. The solution covers the entire elasto-plastic range and is valid for any strain hardening function. Comparison with experimental results, for a few materials, shows good agreement. With a pure power hardening law and within the framework of small strain plasticity, our results agree with those obtained from a more general solution discovered by Budiansky [8].
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01175817
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  • 5
    Electronic Resource
    Electronic Resource
    Influence of initial imperfections on nonlinear free vibration of elastic bars (1985)
    Springer
    Acta mechanica 55 (1985), S. 191-202 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary Nonlinear free vibration of elastic bars possessing initial imperfections is studied. This generalizes the problem of a perfect bar studied previously by Woinowsky-Krieger and Burgreen. For the vibration frequency the differential equation is solved exactly in terms of complete elliptic integrals. Numerical results demonstrate that the initial imperfections usually reduce the frequency of nonlinear free vibration of elastic bars subjected to moderate compression, but there are exceptions with the opposite effect. Such an effect of incerease in frequency was observed previously in unstiffened and cylindrical shells by Singer et al. The exact solution is contrasted with timewise single-term and two-term Galerkin approximations. It turns out that while the single-term treatment fails to show the increase, the two-term treatment brings it out with attendant close agreement with the exact solution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01175801
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  • 6
    Electronic Resource
    Electronic Resource
    Axisymmetric dynamics of composite spherical shells with active piezoelectric/composite stiffeners (2000)
    Springer
    Acta mechanica 141 (2000), S. 71-83 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The paper presents a theoretical formulation for spherical shells reinforced by meridional and circumferential stiffeners. Active damping of the shell is introduced through control action of piezoelectric coupled pairs bonded to the meridional stiffeners. The induced loads can include radial pressure and a thermal field that are independent of the circumferential coordinate. Neglecting local deformations between adjacent meridional stiffeners, the response of the shell will be axisymmetric. The analysis employs the Donnell-Mushtari-Vlasov version of Love's theory of shells together with a smeared stiffeners technique. The paper also considers a particular case of shell mounted piezoelectic coupled pairs without conventional stiffeners. A closed form solution is derived for spherical panels without conventional stiffeners within the range of the meridional coordinate between 75° and 90° using a version of the Geckeler approximation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01176808
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  • 7
    Electronic Resource
    Electronic Resource
    Parametric instability of thick, orthotropic, circular cylindrical shells (1988)
    Springer
    Acta mechanica 71 (1988), S. 61-76 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The dynamic instability of simply supported, finite-length, circular cylindrical shells subjected to parametric excitation by axial loading, is investigated analytically. The shell is taken to be orthotropic, due to closely spaced longitudinal and/or circumferential stiffeners or to many layers of fiber-reinforced composite material either oriented at angles of 0° and 90° (cross-ply) or at +θ and −θ (angle-ply) with respect to the shell axis. The theory used is a general first-order shear deformable shell theory introduced by Hsu, Reddy, and Bert; it can be considered to be the thick-shell version of the popular Sanders-Koiter thin-shell theory. By means of tracers, this theory can be reduced to thick-shell versions of the theories of Love (and Loo) and of Donnell (and Morley). Quantitative results are presented to show the effects of shell geometry, materials, and fiber orientation on the stability boundaries.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01173938
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  • 8
    Electronic Resource
    Electronic Resource
    Elasto-plastic analysis of an anisotropic rotating disc (1983)
    Springer
    Acta mechanica 49 (1983), S. 1-10 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary A finite strain investigation is presented for the axially-symmetric plane-stress problem of a rotating annular disc. Material behaviour is modelled by an elasto-plastic deformation type theory based on a new anisotropic flow theory proposed by Hill. It is shown that the governing field equations can be reduced to a system of two coupled linear differential equations. The solution of that system is obtained numerically using a standard procedure. The analysis is not restricted to any particular choice of the strain hardening characteristic, and covers the entire elasto-plastic domain. Detailed results are derived, as an example, for a disc made of soft aluminum. The existence of a critical (maximum) angular velocity is demonstrated over a wide range of radii ratio.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01181751
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  • 9
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    Supersonic flutter of shear deformable laminated composite flat panels (1990)
    Elsevier
    Details
    Publication Date: 1990-06-01
    Print ISSN: 0022-460X
    Electronic ISSN: 1095-8568
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Elsevier
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  • 10
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    Small vibrations of an imperfect panel in the vicinity of a non-linear static state (1987)
    Elsevier
    Details
    Publication Date: 1987-01-01
    Print ISSN: 0022-460X
    Electronic ISSN: 1095-8568
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Elsevier
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