A Mixed 4-Node 3D Plate Element Based on Self-Equilibrated Isostatic Stresses
作者： Antonio Madeo , Giuseppe Zagari , Raffaele Casciaro , Stefano de Miranda
DOI: 10.1142/S0219455414500667
关键词:
摘要: A new mixed stress 4-node flat shell finite element, designed for the linear and nonlinear analysis of folded plate structures, is presented. The kinematics element defined by 24 dofs with in- out-of-plane displacements assumed to be quadratic, controlled displacement rotation parameters through an Allman like interpolation, flexural rotations bilinear. approximation, described within a local Cartesian frame aligned orientation, self-equilibrated ruled minimum number parameters. does not suffer from kinematical locking rank defectiveness. Many numerical tests show very good performance element.
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