Article Dans Une Revue Computers & Structures Année : 2006

C1 plate and shell finite elements for geometrically nonlinear analysis of multilayered structures

Résumé

The aim of this work is to analyze the geometrically nonlinear mechanical behaviour of multilayered structures by a high order plate/shell finite element in order to predict displacements and stresses of such composite structures for design applications. Based on a conforming finite element method, a C1 triangular six node finite element is developed using trigonometric functions for the transverse shear stresses. The geometric nonlinearity is based on von-Karmann assumptions and only five generalized displacements are used to ensure: • a cosine distribution for the transverse shear stresses with respect to the thickness co-ordinate, avoiding shear correction factors; • the continuity conditions between layers of the laminate for both displacements and transverse shear stresses; • the satisfaction of the boundary conditions at the top and bottom surfaces of the shells.

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hal-04307462 , version 1 (30-11-2023)

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Frédéric Dau, Olivier Polit, Maurice Touratier. C1 plate and shell finite elements for geometrically nonlinear analysis of multilayered structures. Computers & Structures, 2006, 84 (19-20), pp.1264-1274. ⟨10.1016/j.compstruc.2006.01.031⟩. ⟨hal-04307462⟩
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