Application of quasi-homogeneous anisotropic laminates in grid-stiffened panel design

York, C.B. and Kennedy, David ORCID: https://orcid.org/0000-0002-8837-7296 2012. Application of quasi-homogeneous anisotropic laminates in grid-stiffened panel design. Presented at: 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Honolulu, USA, 23 -26 April 2012.

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Abstract

Composite laminates are derived for standard configurations with quasi-homogeneous anisotropic properties, whereby in-plane and out-of-plane stiffness properties are concomitant. Dimensionless parameters, and their relationship to the well-known ply- orientation-dependent lamination parameters, are also developed from which the elements of the extensional and bending stiffness matrices are readily calculated for any fiber/resin properties. The definitive list of laminate configurations for up to 21 plies is presented, together with graphical representations of the lamination parameter design space for standard ply orientations +45, -45, 0 and 90 degrees. Finally, the potential of quasi-homogeneous anisotropic laminates as an optimum design solution for anisogid structures is explored for cases where buckling and strength constraints are both active.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Completion
Status:	Unpublished
Schools:	Engineering
Subjects:	T Technology > TL Motor vehicles. Aeronautics. Astronautics
Related URLs:	Organisation
Last Modified:	06 Jan 2024 03:52
URI:	https://orca.cardiff.ac.uk/id/eprint/45376

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