Abstract
Elastostatics is concerned with the study of equilibrium states of elastic structures and may be regarded as a subtheory of elastodynamics, when velocities and accelerations are zero. A reliable prediction of the non-unique response of a suitably supported structure subject to outer loads, tractions and other boundary conditions relies decisively on the consideration of all possible solution points corresponding to a whole set (domain) of outer control quantities. The required prediction of the ambiguous behaviour of the structure and the nonlocal character of some singular phenomena, such as e. g. snap-through from one to another stable equilibrium state illustrate the urgent necessity to develop mathematical methods which are suitable for a rigorous nonlocal qualitative and quantitative analysis of multivalued solutions. In this paper such a method called morphology analysis is briefly outlined and applied to a shallow arch and to a shallow shell problem.
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References
Labisch, F. K. (1935) Grundlagen einer Analyse mehrdeutiger Lösungen nichtlinearer Randwertprobleme der Elastostatik mit Hilfe von Variationsverfahren, Mitt. Inst. für Mech. 47 Ruhr-Universität Bochum.
Labisch, F. K. (1986) On the morphology of multi-valued solutions of a simple shallow arch problem, ZAMM (in press).
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© 1987 Birkhäuser Verlag Basel
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Labisch, F.K. (1987). Some Remarks on the Morphology of Non-Unique Solutions in Nonlinear Elastostatics. In: Küpper, T., Seydel, R., Troger, H. (eds) Bifurcation: Analysis, Algorithms, Applications. ISNM 79: International Series of Numerical Mathematics / Internationale Schriftenreihe zur Numerischen Mathematik / Série internationale d’Analyse numérique, vol 79. Birkhäuser Basel. https://doi.org/10.1007/978-3-0348-7241-6_19
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DOI: https://doi.org/10.1007/978-3-0348-7241-6_19
Publisher Name: Birkhäuser Basel
Print ISBN: 978-3-0348-7243-0
Online ISBN: 978-3-0348-7241-6
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