船舶水润滑橡胶轴承-转轴系统的粘-滑振动近似解析解
Journal of Ship Mechanics（2023）
Abstract
针对船舶艉部水润滑橡胶轴承-转轴系统的摩擦诱导粘-滑自激振动,考虑Stribeck效应摩擦模型和法向载荷,建立其简化的质量块-弹簧-皮带一自由度模型.采用KBM法理论推导粘滑自激振动幅值的近似解析表达式,该表达式可获得系统的稳定与不稳定的稳态解,而且与模型非线性微分方程的数值解吻合良好,然后分析动摩擦系数和法向载荷对自激振动幅值的影响.
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Key words
friction,self-excited oscillation,analytical approximation,stribeck effect,stick-slip
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