Nonlinear analysis of elasto-plastic shells by hybrid stress finite elements
nonlinear analysis of elasto-plastic shells
incremental variational functional of Hellinger-Reissner type
kinematical and mechanical field variables
constitutive equations in terms of increments of midsurface strains and curvatures and corresponding stress resultants
description of subsequent yield surfaces
modifications to represent behaviour of hardening materials
descretized by flat elements of triangular and quadrilateral shape
scientific article; zbMATH DE number 3797270
scientific article