Abstract

This sheet deals with modeling and character of an impact system, which is composed of the golf ball and flat surface. An impact model considering both duration of impact and energy loss was proposed in former study. The impact system is modeled by both a nonlinear spring and a nonlinear dashpot using Hertz's contact theory. This model is applied to an impact system of golf ball. The validity of the model is shown from comparison between experiment and simulation. There were three kinds of experiments. To begin with, compressions test. Then, low speed impact test. Finally, high speed impact test. High speed impact test used air gum.

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