摘要
为了解决由于金属橡胶材料内部的干摩擦而产生的非线性阻尼的描述问题,采用复刚度模型,根据能量等效原则,求解了干摩擦阻尼系统的当量粘性阻尼系数,并从应用的角度,分析了干摩擦阻尼系统的动态力学性能,建立了基于复刚度模型的金属橡胶干摩擦阻尼隔振系统的运动微分方程,并对方程的求解方法进行了探讨.结果表明,采用复刚度模型可以更加准确地描述金属橡胶干摩擦阻尼系统的动态特性,求解方法是可行的,可以大大减少实验工作量.
In order to solve the problem of describing nonlinear damping caused by dry friction in Metal Rubber （MR） material, a complex stiff model is put forward using current research achievements to derive the equivalent viscous damping coefficient of the system based on the theory of energy equality. For practical use, the dynamic characteristics of an MR isolation system with dry friction damping are analyzed, the differential equation of motion of the system is put forward, and the solution of the equation is also discussed. The description of the system is in accordance with the facts experimentally and the method of solving the equation is feasible to decrease the times of experiments.
出处
《哈尔滨工业大学学报》
EI
CAS
CSCD
北大核心
2005年第12期1615-1617,1693,共4页
Journal of Harbin Institute of Technology
基金
国家自然科学基金资助项目(50075017)
哈尔滨市青年科学基金资助项目(2002AFQXJ037)
关键词
金属橡胶
复刚度
复模量
隔振
metal rubber
complex stiffness
complex modulus
isolation
