技術者教育のための工学数理の力学教材の改定(8): 斜めに取り付けられたバネによる物体と振子の強制振動系の応答解析

概要

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We study numerically a mechanical model of nonlinear forced oscillations, where a body (cart) moves horizontallydue to a sinusoidal, external forcing, being attached to a horizontal damper, a pendulum and a spring. This springworks as a double well type of restoring potential with geometrical nonlinearity. The potential can be approximated nearits extremum, thus the linearized equations of motion are derived as simultaneous equations to allow a coupling oscillations.Applying the Fixed Point Theory to the linearized equations, we may evaluate the effects of oscillation absorber onthe forced oscillations. Some resulting examples of this design show good absorption effects on the cart.
沼津工業高等専門学校の論文
2009-01-31