Experimental validation of a tennis ball finite-element model for different temperatures

ALLEN, T., GOODWILL, S. R. and HAAKE, S. J. (2008). Experimental validation of a tennis ball finite-element model for different temperatures. In: ESTIVALET, M. and BRISSON , P., (eds.) The engineering of sport 7. Springer, 125-133.

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Abstract

An explicit finite-element (FE) model of a pressurised tennis ball was produced in Ansys/LS-DYNA 10.0 and validated at room temperature. This model was successfully updated to simulate temperatures of 283.15 and 313.15 K (10 and 40 ºC), by adjusting the internal pressure and material properties of the ball’s rubber core. The validation experiment was undertaken using an impact rig in a climate chamber, for perpendicular impacts on a rigid surface with inbound velocities in the range from 15 to 30 m·s-1. The impact rig consisted of an air-cannon, for firing the balls, a set of light gates for calculating coefficient of restitution (COR), and a force plate for measuring contact time. The model was found to be in good agreement with the experimental data across the entire range of temperatures tested.

Item Type:	Book Section
Uncontrolled Keywords:	tennis, finite element analysis, ball, temperature
Research Institute, Centre or Group:	Centre for Sports Engineering Research
Identification Number:	10.1007/978-2-287-99054-0_15
Depositing User:	Carole Harris
Date Deposited:	17 Jun 2010 09:55
Last Modified:	09 Sep 2010 16:26
URI:	http://shura.shu.ac.uk/id/eprint/2159

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