| 金属橡胶刚度阻尼模型理论分析 |
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| 引用本文： | 朱彬,马艳红,洪杰.金属橡胶刚度阻尼模型理论分析[J].北京航空航天大学学报,2011,37(10):1298-1302. |
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| 作者姓名： | 朱彬 马艳红 洪杰 |
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| 作者单位： | 北京航空航天大学能源与动力工程学院,北京,100191;北京航空航天大学能源与动力工程学院,北京,100191;北京航空航天大学能源与动力工程学院,北京,100191 |
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| 基金项目： | 航空基金资助项目(2007ZB51012); “凡舟”青年科研基金资助项目(20060403) |
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| 摘 要： | 针对金属橡胶构件加工工艺特点，以金属丝螺旋卷为金属橡胶构件的微元体结构．根据金属丝螺旋卷之间不同的接触状态，以圆柱压缩螺旋弹簧理论为基础，基于材料力学和库仑摩擦模型，考虑摩擦力的影响，建立金属丝螺旋卷微元体结构的力学模型．通过对微元体接触状态和接触对数目的分析，从理论上解释了金属橡胶的非线性刚度及阻尼产生的机理．该模型从细观的金属丝螺旋卷微元体上描述了金属橡胶迟滞特性的物理本质，为预测和分析金属橡胶的刚度、阻尼特性和设计金属橡胶构件提供了有效的理论基础．
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| 关 键 词： | 金属橡胶 金属丝螺旋卷 非线性刚度 迟滞回线 |
Theoretical analysis on stiffness and damping characteristics of metal rubber |
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| Zhu Bin Ma Yanhong Hong Jie.Theoretical analysis on stiffness and damping characteristics of metal rubber[J].Journal of Beijing University of Aeronautics and Astronautics,2011,37(10):1298-1302. |
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| Authors: | Zhu Bin Ma Yanhong Hong Jie |
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| Institution: | Zhu Bin Ma Yanhong Hong Jie(School of Jet Propulsion,Beijing University of Aeronautics and Astronautics,Beijing 100191,China) |
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| Abstract: | The theoretical research on hysteretic characteristic and nonlinear stiffness and damping characteristics of metal rubber was performed.Wire helix was considered as the micro-element structure of metal rubber by analyzing the characteristics of processing components of metal rubber.A mechanical model of wire helix was established based on the material mechanics and the coulomb friction model.The contact states of wire helix were also considered in this model which combined with the impact of friction to cyl... |
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| Keywords: | metal rubber wire helix nonlinear stiffness hysteresis curve |
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