608 高頻度の衝突を伴う剛体の運動の動力学解析 : 観測点とセル位置コードを用いた衝突検出(OS1-(2) 計算力学と数値シミュレーション,オーガナイズドセッション)

概要

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This paper presents is construction of the algorithm that detects the collision of the high frequency caused between two objects at high speed. This algorithm uses an observation point and a cell positional code for collision detection. The cell is a cubic three-virtual dimension of the small size filled to the movement shapce array. The pair of the adjacent observation point is taken out at high speed by sorting the calculation respectively, and collating a cell positional code. Actually, because three dimension array is not used, the size of the cell can be reduced enough. The repulsion power is calculated accurately by setting up a virtual spring in the collision point at the same time as colliding, and calculating equivalent mass that is appropriate for the posture of the object. The analysis of the ladder daruma is shown as a concrete example.
一般社団法人日本機械学会の論文
2009-08-25