Modelling the Sound of a Golf Ball Impacting a Titanium Plate

DELAYE, S, STREETER, P, MORALES, E, WOOD, P, SENIOR, Terry, HART, J and ALLEN, T (2016). Modelling the Sound of a Golf Ball Impacting a Titanium Plate. Procedia engineering, 147, 354-359.

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Official URL: http://dx.doi.org/10.1016/j.proeng.2016.06.309
Link to published version:: 10.1016/j.proeng.2016.06.309

Abstract

A model was developed to predict the sound of a ball impacting a USGA CoR plate, as a first step towards simulating the acoustics of a ball/driver impact. A ball was dropped from 2.5 m onto a free-free plate with the impact sound recorded with a microphone. The experiment was replicated in Ansys/LS-DYNA, with both the exact Boundary Element Method and the Rayleigh method applied to predict the sound. The Rayleigh method predicted lower acoustic pressure than the Boundary Element Method, and was less accurate at predicting relative amplitudes of the frequency spectrum. The models under-predicted decay time, although, increasing mesh density improved agreement with the experiment. Further work should look to improve agreement between model and experiment for decay time, while investigating the effect of impact speed for a range of plate thicknesses.

Item Type: Article
Additional Information: Presented at 11th conference of the International Sports Engineering Association, ISEA 2016.
Research Institute, Centre or Group: Centre for Sports Engineering Research
Identification Number: 10.1016/j.proeng.2016.06.309
Depositing User: Carole Harris
Date Deposited: 28 Jul 2016 16:28
Last Modified: 02 Dec 2016 13:28
URI: http://shura.shu.ac.uk/id/eprint/12988

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