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A triangular finite element for sandwich plates accounting for transverse core compressibility

: Demiray, S.; Becker, W.; Hohe, J.


Thomsen, O.T.:
Sandwich Structures 7. Advancing with Sandwich Structures and Materials : Proceedings of the 7th International Conference on Sandwich Structures, Aalborg University, Aalborg, Denmark, 29-31 August 2005
Berlin: Springer, 2005
ISBN: 1-4020-3444-X
International Conference on Sandwich Structures (ICSS) <7, 2005, Aalborg>
Conference Paper
Fraunhofer IWM ()
finites Element; Sandwich-Bauweise; große Deformation; Instabilität; Deckschichtknittern; Kernkompressibilität

The present study is concerned with a triangular higher-order finite element for sandwich plates with transversely compressible core. The element formulation utilizes a v.~Kármán type multilayer theory, adopting the discrete Kirchhoff approach for the contribution of the face sheets and a simplified three-dimensional formulation for the core. The discretized nonlinear problem is solved by the Newton-Raphson method.