Development of a Model to Represent an Aluminum Springboard in Diving

in Journal of Applied Biomechanics
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The purpose of this study was to develop a springboard model that could be used to predict, in future diving simulation studies, the vertical interaction forces between a diver’s feet and the board during the time of board depression and recoil. To achieve this, the characteristic parameters (effective mass, stiffness, and damping) for a Duraflex springboard were first examined using a finite element approach. The finite element results indicated that a linear model, consisting of a lumped mass and spring, could be used to simulate the actual dynamic behavior of a springboard system. The effects of damping on the board’s motion were found to be negligible and could safely be ignored. The values for the model’s parameters (board stiffness and effective board mass) were determined empirically and are reported in this paper.

Eric J. Sprigings is with the College of Physical Education at the University of Saskatchewan, Saskatoon, Sask. S7N OWO Canada. Denise S. Stilling and Glen Watson are with the Department of Mechanical Engineering at the University of Saskatchewan.

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