Summary
Using a general geometrically linear theory of inelastic shells by Kollmann and Mukherjee a mixed finite element model is formulated. This element contains strains and displacements as basic unknowns. It is specialized for an axisymmetrically loaded conical geometry as originally proposed by Zienkiewicz and coworkers for elastic shells. Numerical results for elastically and inelastically deformed shells are presented, where inelastic deformations are described by Hart’s constitutive model.
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References
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Kollmann, F.G., Bergmann, V. (1990). A New Mixed Finite Element for Analysis of Axisymmetric Inelastic Shells. In: Krätzig, W.B., Oñate, E. (eds) Computational Mechanics of Nonlinear Response of Shells. Springer Series in Computational Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84045-6_11
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DOI: https://doi.org/10.1007/978-3-642-84045-6_11
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