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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für angewandte Mathematik und Physik 47 (1996), S. 527-538 
    ISSN: 1420-9039
    Keywords: 35K50 ; 35B20 ; 35B30 ; 35B40 ; Heat conduction ; continuous dependence ; decay estimate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics , Physics
    Notes: Abstract Using an energy method we investigate the decay of end effects for a generalized heat conduction problem defined on a semi-infinite cylindrical region. With homogeneous Dirichlet conditions on the lateral surface of the cylinder it is shown that solutions either grow exponentially or decay exponentially in the distance from the finite end of the cylinder. The effect of perturbing the equation parameters is also investigated.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1572-9648
    Keywords: Phragmén-Lindelöf principle ; Constant mean curvature equation ; Thermomechanics of continua
    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: Sommario Si dimostra una disequazione differenziale del primo ordine per il flusso di energia attraverso la sezione trasversale della soluzione dell' equazione della curvatura media costante definita in un cilindro prismatico tridimensionale a sezione trasversale convessa. L'integrazione della disuguaglianza fornisce stime che sono impiegate a provare che, per grandi valori della variabile assiale la soluzione in misura o cresce almeno algebricamente o decade al più esponenzialmente alla soluzione per la sezione trasversale più piccola. Questo risultato generalizza quello ottenuto in precedenza dagli autori per il corrispondente problema bidimensionale.
    Notes: Abstract A first order differential inequality is derived for the cross-sectional energy flux of the solution to the equation of constant mean curvature defined on a three-dimensional prismatic cylinder of convex cross-section. Integration of the inequality yields estimates which are employed to prove for large values of the axial variable that the solution in measure either grows at least algebraically or decays at most exponentially to the lower dimensional cross-sectional solution. This result generalises that previously obtained by the authors for the corresponding two-dimensional problem.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Journal of elasticity 34 (1994), S. 139-148 
    ISSN: 1573-2681
    Keywords: 35B30 ; 35Q72 ; 73C15 ; 73T05
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Uniqueness and continuous dependence on the initial temperature are established for the solution of a multidimensional, quasistatic thermoelastic contact problem. The proof of this result does not depend on the ability to decouple the system of governing equations as required in the technique used by Shi and Shillor [European J. Appl. Math., 1990, 371–387] in the one dimensional analogue of this problem. Some extensions to other contact problems are suggested.
    Type of Medium: Electronic Resource
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