干摩擦下含间隙碰撞振动系统的动力学行为分析  

Dynamical analysis of the vibro-impact system with clearance and dry friction

作　　者：王树国[1] 陈英[2] 刘大亮[3] 杨昊[1] 翟海峰[1] 

机构地区：[1]兰州交通大学数理与软件工程学院,甘肃兰州730070 [2]兰州交通大学博文学院土木工程系,甘肃兰州730070 [3]兰州交通大学机电工程学院,甘肃兰州730070

出　　处：《武汉科技大学学报》2011年第5期345-349,共5页Journal of Wuhan University of Science and Technology

摘　　要：建立干摩擦下含间隙的双自由度碰撞振动系统的动力学模型,分析系统中存在的滑动、黏滑、擦切及碰撞等运动,分别给出其运动方程和衔接条件,并采用数值迭代方法求解和分析系统的复杂动力学行为,同时分析了干摩擦和激励振幅对系统动力学行为的影响。A dynamic model of two-degree-of-freedom vibro-impact system with dry friction excitation is established.The gliding,stick sliding,scratch cutting and collision are analyzed,and the equation of motion and the engagement conditions are worked out.The complex dynamics behavior is solved and analyzed by employing the value iteration method.And the influence of dry friction and the drive oscillation amplitude on the systems dynamics is studied.

关 键 词：干摩擦 擦切 黏滑 分岔 混沌 稳定性 

分 类 号：O322[理学—一般力学与力学基础]