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研究了两自由度滑动摩擦系数随相对速度变化的干摩擦吸振系统简谐激励响应计算问题 ,提出了最优化处理方法 ,并推导了相应的迭代方程。通过一个数值例分析 ,考察了干摩擦动力吸振器的性能及简化为理想干摩擦模型时带来的计算误差。
The calculation problem of harmonic excitation response of dry friction vibration absorption system with two degrees of freedom sliding friction coefficient changing with relative velocity was studied. The optimal treatment method was proposed and the corresponding iterative equation was deduced. Through a numerical example analysis, the performance of the dry friction dynamic vibration absorber and the calculation error when simplified as the ideal dry friction model are investigated.