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Vibration Suppression of an Axially Moving String with Transverse Wind Loadings by a Nonlinear Energy Sink

机译:由非线性能量沉降具有横向风装的轴向移动串的振动抑制

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摘要

Nonlinear targeted energy transfer (TET) is applied to suppress the excessive vibration of an axially moving string with transverse wind loads. The coupling dynamic equations used are modeled by a nonlinear energy sink (NES) attached to the string to absorb vibrational energy. By a two-term Galerkin procedure, the equations are discretized, and the effects of vibration suppression by numerical methods are demonstrated. Results show that the NES can effectively suppress the vibration of the axially moving string with transverse wind loadings, thereby protecting the string from excessive movement.
机译:施加非线性靶向能量转移(TET)以抑制具有横向风载荷的轴向移动串的过度振动。所用的耦合动态方程由连接到弦的非线性能量水槽(NE)建模以吸收振动能量。通过双术语Galerkin程序,公正的方程被证明了通过数值方法的振动抑制的影响。结果表明,NE可以有效地抑制横向风载的轴向移动串的振动,从而保护串免受过度运动。

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