2 点吊り振子の3 つのmode 間非線形相互作用の解析と線形振動実験

概要

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A bifilar suspension pendulum, a uniform density bar suspended at its two points by two strings of same length,may swing in a vertical plane or make torsional oscillation about a vertical axis. The swinging in a co-plane of the stringsand the bar is called Mode 1, and the swinging in a vertical plane perpendicular to the bar is Mode 2. Mode 3 is thetorsional oscillation about a vertical axis. These modes are linearly independent of each other, but it is possible to makenonlinear coupling oscillation between the modes and internal resonance. In order to treat such coupling systematically,the formulation of the problems is made on two spherical coordinates systems. Linear oscillations in experiments andnonlinear each/coupling oscillation in simulation are reviewed for the three modes.
2013-01-31