Geometrically nonlinear analysis of laminate composite plates and shells using the eight-node hexahedral element with one-point integration

• Published in: Composite structures Vol. 79; no. 4; pp. 571 - 580
• Main Authors: Andrade, L.G., Awruch, A.M., Morsch, I.B.
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.08.2007; Elsevier Science
• Subjects: Applied sciences; Composites; Exact sciences and technology; Forms of application and semi-finished materials; Fundamental areas of phenomenology (including applications); Geometrically nonlinear analysis; Laminate composite materials; One-point quadrature; Physics; Polymer industry, paints, wood; Solid mechanics; Static and dynamic analysis; Static elasticity (thermoelasticity...); Structural and continuum mechanics; Technology of polymers; Volumetric and shear locking control; Geometrically nonlinear analysis; Static and dynamic analysis; Laminate composite materials; One-point quadrature; Volumetric and shear locking control; Isoparametric finite element; Displacement(deformation); Large displacement; Spurious mode; Modeling; Composite material; Plate; Finite element method; Quadrature; Dimensional analysis; Static analysis; Numerical convergence; Structural analysis
• ISSN: 0263-8223; 1879-1085
• DOI: 10.1016/j.compstruct.2006.02.022

An eight-node hexahedral isoparametric element with one-point quadrature for the geometrically nonlinear static and dynamic analysis of plates and shells of laminate composite materials is formulated and implemented in this work. The element is free of volumetric and shear locking and spurious modes are not detected. Shear locking is avoided using a corotational system for strain and stress components, whereas volumetric locking is controlled using one-point quadrature for the dilatational (or spherical) part of the gradient matrix. The efficiency and potential of the three-dimensional element in the analysis of plates and shells of laminate composite materials undergoing large displacements and rotations are shown solving several numerical examples and comparing with results obtained by other authors using different plate and shells elements.