Fundamental Equations and Extremum Principles in the Theory of Thin Shells
The present paper contributes to the non-linear theory of thin elastic shells in the frame of small strains but finite displacements and rotations (see , ). In describing the kinematic of deformations as well as in deducing the equilibrium conditions from the conservation laws of continuum mechanics the approximation is consequently applied that strains are small in every material point of the shell. The classification of occuring rotations as e.g. in  or restrictions in magnitude are not necessary.
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