釣り仕掛けアニメーションのための抗力係数の同定と過渡的糸挙動の再現

概要

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This paper considers a simple fishing tackle consisting of a line segment and a submerged sinker at the bottom end. A preliminary experiment confirms that, for a inclined cylinder, the fluid drag acts along a direction normal to the cylinder axis. This property is used to derive a differential equation describing steady-state line shapes when the aerial top end is tagged in a stepwise way. A drag coefficient is then determined through a comparison of calculated and actual shapes at a steady state. A multi-link model using the drag coefficient can yield good predictions of unsteady-state line shapes observed during the tagging experiments. Another type of unsteady-state shape response is also calculated to illustrate a good performance of the proposed animation method.
公益社団法人精密工学会の論文
2005-11-05