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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 19 (1968), S. 185-219 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Summary I. This report on thin-walled circular cylindrical shells of ideal-plastic material obeying the exact Tresca yield condition consists of two main parts. In the first part a general method of solution for exact collapse loads for 1° rigid-plastic material, 2° axially symmetrical loading, 3° radial load and axial load constant or piecewise constant over the shell length is illustrated by a number of examples. The case of a ring force previously treated byG. Eason [7] is generalised by inclusion of axial loading and admission of various end conditions. For the case of a distributed radial load and an axial load exact solutions are given.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 19 (1968), S. 447-472 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Summary II. In the second part of this paper post-elastic deformations of an elastic-plastic cylindrical shell are considered. For the relatively simple case of an infinite shell subjected to a ring force the various phases accompanying the settling of plastic deformations are discussed in detail. It is shown by numerical treatment of the exact differential equations that the deformations remain small in the elastic-plastic phase up to more than 90% of the exact collapse load predicted by the rigid plastic analysis, but that nevertheless they tend to infinity as this collapse load is approached.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 26 (1975), S. 257-260 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 20 (1969), S. 298-320 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Summary The semi-graphical complete solutions proposed byBishop for the Prandtl indentation problem and forV-notched bars in two-dimensional plastic flow are treated analytically. Applying directly the integration method of Riemann for second boundary value problems of hyperbolic differential equations to the slip-line fields in the rigid regions some exact results are derived and discussed; eventually the collapse load corresponding to both cases is analytically confirmed.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 20 (1969), S. 78-93 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Summary The theorems of limit analysis and the compatibility theorem are extended to 3-dimensional rigid-perfectly plastic bodies containing stress and velocity discontinuities. Attention is focussed on isotropic bodies with a convex yield surface, and in particular a few general results are obtained for plane flow.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 28 (1977), S. 537-540 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 32 (1981), S. 234-236 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 36 (1985), S. I 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 23 (1972), S. 815-827 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Description / Table of Contents: Summary Isotropic and anisotropic membrane shells of variable thickness and arbitrary middle surface geometry (not necessarily axisymmetrical) are considered. It is first shown that, independently of the shell thickness, the curvatures in every point of the middle surface must satisfy a necessary condition if the shell is to be capable of carrying its own weight or a mass force proportional to the thickness. The v. Mises yield criterium is used to derive an explicit form of this necessary condition which can be formulated either in terms of the mean curvature and the Gaussian curvature or as an inequality which must be satisfied by at least one principal curvature in every point of the middle surface. The problem of isotropic and anisotropic shells of equal strength is then discussed and a nonlinear partial differential equation is derived which practically determines the shell thickness in function of the coordinates once the middle surface geometry is known. A remark on the deformation up to the yield limit for a special form of linear elastic isotropic shells of equal strength closes the paper.
    Notes: Zusammenfassung Für isotrope und anisotrope Membranschalen mit veränderlicher Dicke und beliebiger (auch nichtdrehsymmetrischer) Mittelflächengeometrie wird zuerst gezeigt, daß unabhängig von der Schalendicke die Krümmungen in jedem Punkt der Mittelfläche einer notwendigen Bedingung genügen müssen, falls die Schale ihr Eigengewicht oder eine der Dicke proportionale Massenkraft tragen soll. Zur expliziten Formulierung dieser notwendigen Bedingung, welche entweder mit Hilfe der mittleren und der Gaußschen Krümmung oder als Ungleichung für mindestens eine Hauptkrümmung in jedem Punkt der Schalenmittelfläche ausgedrückt werden kann, wurde das v. Misessche Fliesskriterium verwendet. Anschliessend wird das Problem der isotropen und anisotropen Membranschalen gleicher Festigkeit diskutiert und eine nichtlineare partielle Differentialgleichung hergeleitet, die bei gegebener Mittelflächengeometrie die Schalendicke in Funktion der Koordinaten praktisch festlegt. Eine Aussage über die Verformung bis zur Fliessgrenze von speziellen isotropen Schalen gleicher Festigkeit aus linearelastischem Material bildet den Schluss der Arbeit.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 22 (1971), S. 996-1000 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Type of Medium: Electronic Resource
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