<論文>滑りを伴う剛体ブロックのロッキング振動に関する研究 : 水平方向と垂直方向の励振振動数が異なった場合

概要

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This research deals with the nonlinearities of rocking vibration associated with impact and sliding on the rocking behavior of rigid block under two dimensional sinusoidal excitation of horizontal and vertical direction. The nonlinearities of the rocking vibration strongly depend on the impact between block and base, which should take place abrupt reduction in kinetic energy, and sliding motion which occurs during rotation and impact. Particularly, when the oscillation direction of base is varied, the rocking vibration as well as sliding motion are massively changed by the change of oscillation trajectory. The chaotic responses are observed in wider region, when the frequencies of each excitation direction are different. The complex behavior of chaotic response, in the phase space, is related with the trajectory of base excitation and the sliding motion also intimately.
沼津工業高等専門学校の論文
2001-01-31