The effects of surface compliance on greyhound galloping dynamics

Hayati, H; Eager, D; Walker, P

The effects of surface compliance on greyhound galloping dynamics

Hayati, H

Eager, D

Walker, P

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Publication Type:: Journal Article
Citation:: Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics, 2019
Issue Date:: 2019-01-01

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Field	Value	Language
dc.contributor.author	Hayati, H https://orcid.org/0000-0002-6781-6093	en_US
dc.contributor.author	Eager, D https://orcid.org/0000-0003-1926-7867	en_US
dc.contributor.author	Walker, P https://orcid.org/0000-0003-3988-3966	en_US
dc.date.available	2020-06-25T19:02:00Z
dc.date.issued	2019-01-01	en_US
dc.identifier.citation	Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics, 2019	en_US
dc.identifier.issn	1464-4193	en_US
dc.identifier.uri	http://hdl.handle.net/10453/134207
dc.description.abstract	© IMechE 2019. Greyhounds are the fastest breed of dog and can reach a speed up to 68 km/h. These racing animals sustain unique injuries seldom seen in other breeds of dog. The highest rate of life-threatening injuries in these dogs is hock fracture, mostly of the right hind-leg. One of the main injury contributing factors in this sport is the track surface. There are some studies into the ideal track surface composition for greyhound racing but almost no study has investigated the body–surface interaction. Accordingly, the purpose of this work is to study the effect of surface compliance on the galloping dynamics of greyhounds during the hind-leg single-support phase which is a critical phase in hock injuries. Thus, a three degrees-of-freedom model for the greyhound body and substrate surface is designed using spring-loaded inverted pendulum method. The results showed that forces acting on the hind-leg were substantially affected when the surface compliance altered from the relatively hard (natural grass) to a relatively soft surface (synthetic rubber). The main contribution of this work is designing a mathematical model to predict the dynamics of the hock and the hind-leg as the most vulnerable body parts in greyhounds. Furthermore, this model can be used to optimise the greyhound track surface composition and therefore improve the safety and welfare within the greyhound racing industry.	en_US
dc.relation.ispartof	Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics	en_US
dc.relation.isbasedon	10.1177/1464419319858544	en_US
dc.rights	info:eu-repo/semantics/openAccess
dc.title	The effects of surface compliance on greyhound galloping dynamics	en_US
dc.type	Journal Article
utslib.for	0913 Mechanical Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/e-Press
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Mechanical and Mechatronic Engineering
utslib.copyright.status	open_access	*
pubs.publication-status	Published	en_US

Abstract:

© IMechE 2019. Greyhounds are the fastest breed of dog and can reach a speed up to 68 km/h. These racing animals sustain unique injuries seldom seen in other breeds of dog. The highest rate of life-threatening injuries in these dogs is hock fracture, mostly of the right hind-leg. One of the main injury contributing factors in this sport is the track surface. There are some studies into the ideal track surface composition for greyhound racing but almost no study has investigated the body–surface interaction. Accordingly, the purpose of this work is to study the effect of surface compliance on the galloping dynamics of greyhounds during the hind-leg single-support phase which is a critical phase in hock injuries. Thus, a three degrees-of-freedom model for the greyhound body and substrate surface is designed using spring-loaded inverted pendulum method. The results showed that forces acting on the hind-leg were substantially affected when the surface compliance altered from the relatively hard (natural grass) to a relatively soft surface (synthetic rubber). The main contribution of this work is designing a mathematical model to predict the dynamics of the hock and the hind-leg as the most vulnerable body parts in greyhounds. Furthermore, this model can be used to optimise the greyhound track surface composition and therefore improve the safety and welfare within the greyhound racing industry.

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http://hdl.handle.net/10453/134207