Bifurcation Phenomena in Rocking

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  • ロッキングにおける分岐現象
  • ロッキング ニ オケル ブンキ ゲンショウ

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In this paper, bifurcation phenomenon of rocking of a rectangular parallelepiped block is dealt with. Since the locking is typical nonlinear vibration, the equations of motion are solved numerically and bifurcation diagrams, fixed points and invariant curves, regions of attraction and bifurcation-set are obtained. It is seen that the period-doubling bifurcation, the transcritical bifurcation and the saddle-node bifurcation exist.

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