ゴルフクラブシャフトの最適設計手法に関する研究

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  • Study on Optimum Designing Method for Golf Club Shaft
  • ゴルフ クラブ シャフト ノ サイテキ セッケイ シュホウ ニカンスルケンキュ

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An inverse analysis program using a sensitivity method has been developed to optimize the natural frequency of golf club shafts. In this program, a composite cylinder which has various diameters and thicknesses laminated in various fiber orientations is modeled by a single beam element to decrease the degrees of freedom of the vibration problems. Therefore, eigenvalues of laminated composite cylinders can be analyzed without influence from the aspect ratio of the element. In the sensitivity analysis, a generalized inverse matrix is utilized. As a numerical example, a CFRP golf club shaft is designed to have higher frequencies in its 2nd and 3rdmodes.

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