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Assessing human-fluid-structure interaction for the international moth

Assessing human-fluid-structure interaction for the international moth
Assessing human-fluid-structure interaction for the international moth
The International Moth is an ultra-lightweight foiling dinghy class. Foil deflections and dynamic sailor-induced motions are identified as two key areas relating to foiling moth performance that are currently ignored in Velocity Prediction Programs (VPP). The impact of foil deflections is assessed by measuring the tip deflection and twist deformation of a T-foil from an International Moth. The full field deformation due to an applied load is measured using Digital Image Correlation (DIC). The foil's structural properties can then be determined based on the measured structural response. The deformations are then calculated for an estimated steady sailing force distribution on the T-foil and their impact on performance is evaluated. To investigate the impact of dynamic sailor motions a system is developed that allows a sailor's dynamic pose to be captured when out on the water by determining the orientations of key body segments using inertial sensors. It is validated against measured hiking moments and is demonstrated to work out on the water whilst sailing. Both these studies pave the way towards developing a Dynamic VPP for the international Moth, which can include unsteady human and foil interactions.
Sailing performance prediction, foil deformations, fluid structure interaction, dynamic hiking moment, inertial sensors, Digital Image Correlation.
311-316
Banks, Joseph
3e915107-6d17-4097-8e77-99c40c8c053d
Marimon Giovannetti, Laura
9fada37b-24b2-4235-aa91-e8c25837953d
Taylor, Joshua
a9b3c9d7-76c2-4897-acff-3676d794ffc8
Turnock, Stephen
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Banks, Joseph
3e915107-6d17-4097-8e77-99c40c8c053d
Marimon Giovannetti, Laura
9fada37b-24b2-4235-aa91-e8c25837953d
Taylor, Joshua
a9b3c9d7-76c2-4897-acff-3676d794ffc8
Turnock, Stephen
d6442f5c-d9af-4fdb-8406-7c79a92b26ce

Banks, Joseph, Marimon Giovannetti, Laura, Taylor, Joshua and Turnock, Stephen (2016) Assessing human-fluid-structure interaction for the international moth. [in special issue: The Engineering of SPORT 11] Procedia Engineering, 147, 311-316. (doi:10.1016/j.proeng.2016.06.297).

Record type: Article

Abstract

The International Moth is an ultra-lightweight foiling dinghy class. Foil deflections and dynamic sailor-induced motions are identified as two key areas relating to foiling moth performance that are currently ignored in Velocity Prediction Programs (VPP). The impact of foil deflections is assessed by measuring the tip deflection and twist deformation of a T-foil from an International Moth. The full field deformation due to an applied load is measured using Digital Image Correlation (DIC). The foil's structural properties can then be determined based on the measured structural response. The deformations are then calculated for an estimated steady sailing force distribution on the T-foil and their impact on performance is evaluated. To investigate the impact of dynamic sailor motions a system is developed that allows a sailor's dynamic pose to be captured when out on the water by determining the orientations of key body segments using inertial sensors. It is validated against measured hiking moments and is demonstrated to work out on the water whilst sailing. Both these studies pave the way towards developing a Dynamic VPP for the international Moth, which can include unsteady human and foil interactions.

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More information

Accepted/In Press date: 1 May 2016
e-pub ahead of print date: 9 July 2016
Published date: 2016
Keywords: Sailing performance prediction, foil deformations, fluid structure interaction, dynamic hiking moment, inertial sensors, Digital Image Correlation.
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 398227
URI: https://eprints.soton.ac.uk/id/eprint/398227
PURE UUID: f73d438f-6f17-4b13-a16b-77f67d18e102
ORCID for Joseph Banks: ORCID iD orcid.org/0000-0002-3777-8962
ORCID for Stephen Turnock: ORCID iD orcid.org/0000-0001-6288-0400

Catalogue record

Date deposited: 21 Jul 2016 10:34
Last modified: 06 Jun 2018 13:14

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