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| 多体结构瑞利阻尼系数的确定 | |
| 引用本文： | 王德铎,张艳平,闫军,孙启国.多体结构瑞利阻尼系数的确定[J].机械设计与制造,2010(1). |
| 作者姓名： | 王德铎 张艳平 闫军 孙启国 |
| 作者单位： | 1. 兰州交通大学,机电技术研究所,兰州,730070 2. 河南中光学集团,南阳,473003 3. 北方工业大学,机电工程学院,北京,100144 |
| 基金项目： | 甘肃省自然科学基金项目(ZS031-B25-009-G) |
| 摘 要： | 多体结构时域动响应分析广泛采用瑞利比例阻尼,其阻尼系数一般根据系统的质量和初始刚度确定,其确定过程有很多不确定因素。从基本概念出发,推导瑞利阻尼的基本表达形式,提出了用线性插值方法计算阻尼比,来获取多组数据,做图拟合推算出较为准确的阻尼系数。并结合算例说明该方法可行。 |
| 关 键 词： | 瑞利阻尼 多体结构 动响应分析 |
Calculation for the rayleigh damping coefficients of multi-body structures |
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| WANG De-duo,ZHANG Yan-ping,YAN Jun,SUN Qi-guo.Calculation for the rayleigh damping coefficients of multi-body structures[J].Machinery Design & Manufacture,2010(1). | |
| Authors: | WANG De-duo ZHANG Yan-ping YAN Jun SUN Qi-guo |
| Affiliation: | 1 The Mechachonics T&R Institute/a>;Lanzhou Jiaotong University/a>;Lanzhou 730070/a>;China;2 The Costar Group of He'nan/a>;Nanyan 473003/a>;China;3 The College of Mechatronic Engineering/a>;North China University of Technology/a>;Beijing 100144/a>;China |
| Abstract: | Rayleigh proportion damping model is widely employed in time-domain dynamic response analysis,and its coefficients are usually determined according to the system mass and initial stiffness, but there are still existing uncertain factors in this process.It the expression of Rayleigh damp is derived from the basic concept,the linear interpolation method is developed to calculate the damping ratio and obtain multi-group data firstly,and then to make the chart in order to calculate the more accurate damping coe... |
| Keywords: | Rayleigh damp Multi-body structure Dynamic response analysis |
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