Optimum fibre-steering of composite plates for buckling and manufacturability

Timothy J. Dodwell, Richard Butler, Andrew T. Rhead

Research output: Contribution to journalArticlepeer-review

19 Citations (SciVal)

Abstract

This paper reveals the potential weight saving in creating lightweight composite panels using the novel Continous Tow Shearing technique. The method provides a unique capability to simultaneously manipulate fibre angles and local thicknesses, whilst achieving defect-free, high curvature fibre paths. Considering the buckling of a typical aircraft wing skin, the nonlinear optimisation problem presented, shows theoretical designs with significant weights savings if compared to panels made from conventional straight fibre angles (38%) or steered using Automated Fibre Placement techniques (20%). The implications due to constraints on panel
strength, damage tolerance and manufacturing costs are then considered.
Original languageEnglish
Pages (from-to)1139-1142
Number of pages3
JournalAIAA Journal
Volume54
Issue number3
Early online date6 Jan 2016
DOIs
Publication statusPublished - Mar 2016

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