多重リンクモデルによる魚の食いに対する竿先の挙動解析

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書誌事項

タイトル別名
  • Analysis of Rod-tip Response to Fish Bite by Multi-link Model
  • タジュウ リンク モデル ニ ヨル サカナ ノ クイ ニ タイスル サオサキ ノ キョドウ カイセキ

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抄録

A new planar multi-link model is given for a fishing-rod tackle in orderto analyze its nonlinear dynamic behavior. In this theory, the rod and the line are modeled as united multiple rigid bodies. A method adopting a lower triangularization of a sparse symmetric coefficient matrix of linear equations is proposed for dynamic tackle-simulations. Relevant parameters such as drag coefficient and damping coefficient are identified through rod vibration experiments. The numerical solutions describe the vibration of the rod-tip and the large deformation of the line under the water. The results of this paper show that the water depths of main sinker play significant roles for the rod-tip response through a larger damping force for a deeper sinker. The response of the rod and the variation of the line shape caused by the fish-bite are demonstrated, similarly.

収録刊行物

  • 精密工学会誌

    精密工学会誌 76 (7), 827-833, 2010

    公益社団法人 精密工学会

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