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Some intrinsic considerations on the non linear theory of thin shells

Einige koordinatenunabhängige Betrachtungen in der nichtlinearen Schalentheorie

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Summary

Equations of compatibility and equilibrium are deduced in the case of finite deflection in anintrinsic form and referred to the undeformed state. The integrability relations, the needed auxiliary relations of algebra and the equations of static equivalence are directly applied. No use of a variational principle and only a minimal reference to the usual hypotheses of shell geometry is made. Physical interpretation is easier in this intrinsic representation.

Zusammenfassung

Die Kompatibilitätsgleichungen und die Gleichgewichtsbeziehungen werden hergeleitet im Fall der endlichen Durchbiegung inkoordinatenfreier Weise bezüglich des unverformten Zustandes. Die Integrabilitätsbedingungen, die notwendigen Hilfsgleichungen der Algebra und die Beziehungen der statischen Äquivalenz werden direkt verwendet. Es wurde kein Variationsprinzip benützt und nur eine minimale Bezugnahme auf die üblichen Hypothesen der Schalengeometrie vorgenommen. Die komponentenfreie Darstellung erlaubt auch leichter die physikalische Deutung.

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Zürcher, J.P., Schumann, W. Some intrinsic considerations on the non linear theory of thin shells. Acta Mechanica 40, 123–140 (1981). https://doi.org/10.1007/BF01170425

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