Geometrically exact hybrid beam element based on nonlinear programming

This work presents a hybrid shear‐flexible beam‐element, capable of capturing arbitrarily large inelastic displacements and rotations of planar frame structures with just one element per member. Following Reissner's geometrically exact theory, the finite element problem is herein formulated wit...

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Bibliographic Details
Published in:	International journal for numerical methods in engineering Vol. 122; no. 13; pp. 3273 - 3299
Main Authors:	Lyritsakis, Charilaos M., Andriotis, Charalampos P., Papakonstantinou, Konstantinos G.
Format:	Journal Article
Language:	English
Published:	Hoboken, USA John Wiley & Sons, Inc 15.07.2021 Wiley Subscription Services, Inc
Subjects:	Beams (structural) Centroids Displacement Exact solutions fiber cross‐sections Finite element method Frame structures geometrically exact element hybrid beam element Lagrange multiplier Locking material nonlinearities Nonlinear programming Numerical integration Optimization Potential energy Quadratures Quadrilaterals shear deformations Strain
ISSN:	0029-5981, 1097-0207
Online Access:	Get full text
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