回転しながら飛翔する卓球ボールの3次元軌道シミュレーション

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  • カイテン シナガラ ヒショウスル タッキュウ ボール ノ 3ジゲン キドウ シミュレーション
  • Three-Dimensional Simulation of the Flying Trajectory of a Spinning Table Tennis Ball

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type:論文(Article)

In this study, a prototype system was developed to simulate the three-dimensional (3D) flying trajectory of a spinning table tennis ball. First, drag coefficients, Magnus coefficients, and fluid torque coefficients at various conditions were computed using computational fluid dynamic analyses. Second, the value of each coefficient in the speed range of a table tennis ball was determined via interpolation. Finally, a motion equation model was used to calculate the 3D trajectories of a table tennis ball that was spinning leftwards and downwards. The flight trajectories obtained by the computer simulation were in-line with the expected results.

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