Publications

Barradas Cardoso, J.E., Benedito, N.M.B. and Valido, A.J. (2009), “Finite element analysis of thin-walled composite laminated beams with geometrically nonlinear behaviour including warping deformation”, Thin-Walled Structures, Vol. 47, Issue 11, pp. 1363-1372

A finite element model for structural analysis of composite laminated thin-walled be am structures, with geometrically nonlinear behavior, including torsion warping deformation, is presented. A general continuum formulation considering the updated Lagrange an procedure and a generalized displacement control method, are used to describe the deformation of the structure. The be am cross-section geometry is discretized by quadraticiso parametric finite elements to determine its bending-torsion properties. The structural discretization is performed throughout three-dimensional two-node Hermite anfinite beam elements, with seven degrees-of-freed ompernode. Several applications are presented, addressing the influence of lamina orientation on the structural behavior.

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