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The dynamics of an elastic structure coupled with a rocking wall

机译：带有摇摆壁的弹性结构的动力学

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This paper investigates the dynamic response of an elastic single-degree-of-freedom oscillator coupled with a rocking wall. Both configurations of a stepping rocking wall and a pinned rocking wall that have been reported in the literature are examined. The full nonlinear equations of motions are derived, and the paper shows through a comprehensive parametric analysis that the coupling with a rocking wall has mixed results on suppressing the dynamic response of the elastic oscillator. The stepping rocking wall is most effective in suppressing displacements of relative flexible structures with a heavier wall being most effective. In contrast, the pinned wall amplifies the displacements along a wide range of the spectrum with a heavier wall being most detrimental. This happens partly because in a pinned wall the moment from its weight works against stability. Copyright (c) 2016 John Wiley & Sons, Ltd.
机译：本文研究了带有摇摆壁的弹性单自由度振荡器的动态响应。文献中已经报道了步进摇摆壁和固定摇摆壁的两种构造。推导了完整的非线性运动方程，并通过全面的参数分析表明，与摇摆壁的耦合在抑制弹性振荡器的动态响应方面有混合的结果。阶梯式摇摆壁在抑制相对柔性结构的位移方面最有效，而较重的壁则最有效。相比之下，固定的壁会在较宽的频谱范围内放大位移，而较重的壁则最不利。发生这种情况的部分原因是，在固定墙中，其重量产生的力矩会破坏稳定性。版权所有（c）2016 John Wiley＆Sons，Ltd.

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