Some remarks on the analysis of large strain torsion-like problems

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These notes are concerned with some fundamental aspects in the analysis of torsion-like problems involving large inelastic deformations. Accepting a spatially fixed cylindrical coordinate system as a preferred frame of reference, the significance of the material rate of change of the associated basis vectors during such deformation processes is emphasized. So-called shifters and their rates are shown to provide a convenient tool to account for this. Explicit expressions are given and applied in coordinate expressions of rate equations of the type occurring in large strain plasticity theories.
Original languageEnglish
Number of pages7
JournalActa Mechanica
Issue number1
Publication statusPublished - 1991

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