Non-linear finite element analysis of thin composite structures

Moita, José Mateus Simões; Soares, Cristovão M. Mota; Soares, Carlos A. Mota

http://hdl.handle.net/10400.1/103

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Authors

Moita, José Mateus Simões

Soares, Cristovão M. Mota

Soares, Carlos A. Mota

Abstract(s)

A non-conforming three-node triangular finite element with 18 degree of freedom, is used in conjugation with the Kirchhoff theory for the non-linear analysis of thin composite plate-shell structure. The formulation of the geometrically non-linear analysis is based on an updated Lagrangian formulation associated with the Newton-Raphson iterative technique, which incorporates an automatic arc-length control procedure.