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High-speed full-field deflection measurements on a hydrofoil using digital image correlation


Clarke, DB and Butler, D and Crowley, B and Brandner, PA, High-speed full-field deflection measurements on a hydrofoil using digital image correlation, Proceedings of the Thirtieth Symposium on Naval Hydrodynamics, 2-7 November 2014, Hobart, Tasmania, pp. 1-13. ISBN 978-1-86295-850-0 (2014) [Refereed Conference Paper]

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The hydrodynamics, signature and fatigue associated with appendages of maritime platforms are influenced by fluid-structure interactions. This paper presents initial results from full-field, high-speed photogrammetry using commercial digital image correlation software to measure deflections of hydrofoils tested in a cavitation tunnel. Results from hydrofoils with identical geometry constructed from homogenous and non-homogenous materials are presented. Digital image correlation has proved successful for measuring steady and unsteady deflections and determining operational deflection shapes for metal and composite hydrofoils. Steady and unsteady hydrofoil deflections were achieved by static testing of the hydrofoil in unstalled and stalled conditions respectively.

Item Details

Item Type:Refereed Conference Paper
Keywords:digital image correlation, flexible hydrofoil, deflection measurement
Research Division:Engineering
Research Group:Maritime engineering
Research Field:Ship and platform structures (incl. maritime hydrodynamics)
Objective Division:Manufacturing
Objective Group:Transport equipment
Objective Field:Nautical equipment
UTAS Author:Butler, D (Mr Daniel Butler)
UTAS Author:Brandner, PA (Professor Paul Brandner)
ID Code:98278
Year Published:2014
Deposited By:NC Maritime Engineering and Hydrodynamics
Deposited On:2015-02-10
Last Modified:2018-04-05
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