Experimental and finite element analysis of a tennis ball impact on a rigid surface

GOODWILL, S., KIRK, R. and HAAKE, S. (2005). Experimental and finite element analysis of a tennis ball impact on a rigid surface. Sports engineering, 8 (3), 145-158.

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Link to published version:: 10.1007/BF02844015

Abstract

An explicit finite-element (FE) model of a pressurised tennis ball is presented. The FE model was used to model an oblique impact between a tennis ball and a rigid tennis surface, to further the understanding of this impact. Impacts were also conducted in the laboratory and the results from the FE model were in good agreement with this experimental data. The FE model was used to illustrate why a tennis ball rebounds with a higher vertical coefficient of restitution in an oblique impact compared to an equivalent impact perpendicular to the surface; this equivalent perpendicular impact has the same inbound velocity as the vertical component of the oblique impact. The FE model was also used to illustrate that the structural compliance of the felt covering on a tennis ball was a contributing factor to the ball attaining more spin in the impact than would have been calculated using a conventional analytical model. Also, the spin values calculated in the FE simulation were in good agreement with experimental data.

Item Type: Article
Research Institute, Centre or Group: Centre for Sports Engineering Research
Identification Number: 10.1007/BF02844015
Depositing User: Carole Harris
Date Deposited: 24 Jun 2010 15:12
Last Modified: 30 Jul 2010 16:02
URI: http://shura.shu.ac.uk/id/eprint/2178

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