Experimental Validation of a Tennis Ball Finite-element Model for Different Temperatures (P22)
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.
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- Experimental Validation of a Tennis Ball Finite-element Model for Different Temperatures (P22)
- Book Title
- The Engineering of Sport 7
- Book Subtitle
- Vol. 1
- pp 125-133
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- Springer Paris
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- Springer Paris
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