2 点吊り振子の捩り振動の基礎解析

概要

論文の詳細を見る
A uniform density bar is suspended at its two ends by two strings whose two end points are attached to an upper staticwall. The bar may make torsional oscillation in a vertical plane from its equilibrium rest state, which is called bifilar suspensionpendulum. There are three configurations of this pendulum: the distance between the two points is longer or shorter than the barlength, and it is just the same. For the configurations, the bar keeps the attitude horizontal during the torsional oscillation of thependulum about the vertical axis. The torsional mode is analyzed here, in which the conservation of mechanical energy givesexact mechanisms of free oscillations. The nonlinear oscillation is also solved with the aid of numerical computations. Theresults obtained are expected to provide new education materials and to apply in Earthquake Engineering and Seismic Design.
2010-01-31