NASA NTRS · 19890033762
A 20-DOF hybrid stress general shell element
Abstract
A hybrid-stress general shell element is developed based on the Hellinger-Reissner principle modified for relaxed element compatibility conditions. The element is based on a thin-shell theory with Love-Kirchhoff hypothesis. It is of quadrilateral shape with only four corner nodes and five degrees of freedom per node. The geometry of the element is approximated through a cubic polynomial surface patch. Numerical examples consisting of torsion-loaded slit cylinder and pinched cylinders with open ends and rigid diaphragmed ends demonstrate excellent performance of the present element.
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Kang, David S., Pian, Theodore H. H.. 1988-01-01. A 20-DOF hybrid stress general shell element. https://ntrs.nasa.gov/citations/19890033762
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