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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 172 (1990), S. 160-164 
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 172 (1990), S. 160-164 
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of the Mechanics and Physics of Solids 17 (1969), S. 291-301 
    ISSN: 0022-5096
    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
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    International Journal of Non-Linear Mechanics 2 (1967), S. 233-243 
    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
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 19 (1968), S. 770-778 
    ISSN: 1420-9039
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Résumé Une forme générale des relations contrainte-vitesse de déformation est étudiée pour un mouvement non visqueux. Le tenseur contrainte est représenté par une fonction tensorielle isotrope du tenseur vitesse de déformation: le nombre et la forme des fonctions indépendantes décrivant le matériau sont déterminés. Le principe de la vitesse de dissipation maximale est employé pour obtenir des restrictions supplémentaires pour la relation constitutive. De plus, ce principe permet d'expliquer les contradictions provenant de la forme standard de la loi d'écoulement du potentiel plastique appliquée aux sols. Des formes particulières des relations tensorielles linéaires, dans le cas d'incompressibilité et de dissipation constante sont discutés.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Archive of applied mechanics 53 (1983), S. 133-143 
    ISSN: 1432-0681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Übersicht Es werden Stoffgleichungen für feste Körper mit richtungsabhängiger Permeabilität untersucht, wobei sich die Anisotropie mit der Verformung ändert. Dabei werden u. a. Gesetze aufgestellt, die die Bewegung von Flüssigkeiten und die Kopplung zwischen der Bewegung flüssiger und fester Körper beschreiben. Anwendung der Polynomdarstellung von Tensorfunktionen ermöglicht es, eine konsistente nichtlineare Theorie anisotroper Verfestigung aufzustellen. Auf diese Weise erhält man allgemeine Beziehungen zwischen Spannungen, Verzerrungen und Permeabilität.
    Notes: Summary Within the tensor functions representations constitutive relations are studied for solids with a directional permeability. The overall anisotropy of an originally isotropie skeleton is due to the arrangement of microchannels and it varies with the deformation induced. The laws concerning deformation, fluid flow, couplings between fluid and solid motions as well as those regarding evolution of anisotropy are established. An application of the polynomial representations of tensor functions of scalar, vector and tensor independent variables allows to devise a consistent nonlinear theory of anisotropic consolidation and thus results in the general form of stress-strain-permeability relations. Anisotropic filtration and equations governing the mechanical response of linearly elastic, anisotropic, porous solids are recovered as special cases.
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Archive of applied mechanics 50 (1981), S. 393-400 
    ISSN: 1432-0681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Übersicht Es wird ein Fließkriterium entwickelt für Materialien mit durch Perforation erzeugter innerer Struktur. Die Herleitung gründet sich auf gemischte Invarianten von Spannungs- und Perforationstensor. Für ein rechteckiges Perforationsmuster wird eine experimentelle Homogenisierung zur Ermittlung der Komponenten des Perforationstensors durchgeführt. Der vorgeschlagene Fließort wird mit experimentellen Ergebnissen verglichen.
    Notes: Summary A criterion of yielding for homogenized materials with an internal structure generated by perforation is developed using the stress and the mixed stress-perforation tensor invariants. For a square pattern of perforation an experimental homogenization procedure is used to determine components of the perforation tensor introduced. A yield condition for the studied materials is proposed and compared with experiments conceived and performed for the purpose.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    General relativity and gravitation 26 (1994), S. 437-467 
    ISSN: 1572-9532
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The subject of the paper is the formulation and analysis of the notion of spherical symmetry for a spacetime with matter of multidimensional objects (also called extended particles) i.e. matter, whose elementary constituents are extensive objects. The paper includes also eduction of a subclass of vacuum, static, spherically-symmetric solutions of the Einstein equation in the spacetime mentioned above. In particular a close analogue of the Schwarzschild solution is obtained.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Meccanica 18 (1983), S. 268-268 
    ISSN: 1572-9648
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Acta mechanica 27 (1977), S. 185-204 
    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
    Description / Table of Contents: Zusammenfassung Das Fließen und Versagen von orientierten Festkörpern wird mittels der Tensorfunktionsdarstellung untersucht. Transversal isotrope Materialien werden betrachtet. Mit Hilfe der verfügbaren Information, die die Tensorerzeugenden und die Menge der unabhängigen Spannungs- und gemischten Spannungs-Material-Orientierungsinvarianten betrifft, wird die allgemeine Form der Materialbeziehungen für beginnende plastische Bewegung von transversal isotropen Festkörpern angegeben und die Fließbedingung diskutiert. Bestimmte Formen von Fließkriterien für kohäsive Materialien, sowie für Materialien mit innerer Reibung werden entwickelt und mit experimentellen Ergebnissen verglichen. Eine neuartige Näherung für das Fließen und Versagen von orientierten Festkörpern wird am Beispiel eines geschichteten Materials erklärt. Ausgehend von der experimentellen Motivation wird die theoretische Entwicklung dargelegt und abschließend werden Vergleiche mit Versuchen angegeben.
    Notes: Summary Yielding and failure of oriented solids is studied within the framework of tensor representations. Transversely isotropic materials are considered. Using the information available regarding the tensor generators and the set of independent stress and mixed stress-material orientation invariants the general form of constitutive relation for incipient plastic motion of transversely isotropic solid is given and the yield condition is discussed. Specific forms of yield criteria for cohesive materials as well as for materials with internal friction are developed and compared with experimental information. A novel approach to flow and failure of oriented solid is thus explained on example of stratified material, starting with experimental motivation, passing through theoretical development and terminating on comparisons with experiments.
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