水泳人体シミュレーションモデルSWUMによる標準的6ビートクロールの動力学解析(J14-4 スポーツにおける動作と巧みさ,J14 ヒューマン・ダイナミクス)

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This paper describes analysis of the dynamics in standard six beat front crawl swimming by the swimming human model SWUM, which has been proposed by the authors. Averaged Japanese body size data is used for the geometry of the human body, and the joint motion is determined based on a movie of the actual swimming. From the simulation, swimming speed, fluid force components in the propulsive direction, body roll angle, and roll moment components are obtained. It is found that the swimming speed from the simulation agrees well with the movie, indicating the validity of the present simulation model. It is also found that the thrust is produced by the hand at the push phase due to the normal drag force, and that the roll moment is produced by the catch and push phase alternately.
2004-09-04