Analytical modelling of the impact of tennis balls on court surface

DIGNALL, R. J. and HAAKE, S. J. (2000). Analytical modelling of the impact of tennis balls on court surface. In: HAAKE, S. J. and COE, A. O., (eds.) Tennis science and technology. Blackwell, 155-162.

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Abstract

An analytical model was created to stimulate the bounce of a tennis ball normal to a playing surface, based on a spring and a damper in parallel. Experimental data was used to find stiffness and damping coefficients, and to verify the normal model. Balls were projected between 6.7 and 20 ms-1 onto a rigid surface and compared to model predictions. The model was then extended to oblique impacts by introducing a horizontal frictional force. On an acrylic court where the surface is rigid in comparison to the ball, there was a good comparison with experimental data for the outgoing speed, angle and spin. A plot of predicted centre of mass displacement during an oblique impact was an excellent match to experimental co-ordinates.

Item Type: Book Section
Research Institute, Centre or Group: Centre for Sports Engineering Research
Related URLs:
Depositing User: Carole Harris
Date Deposited: 02 Aug 2010 10:15
Last Modified: 02 Aug 2010 10:15
URI: http://shura.shu.ac.uk/id/eprint/2228

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