Structural damping time-domain constitution and its application

被引：0
|
作者：
Liu, HZ [1 ]
Yuan, DN [1 ]
Li, DP [1 ]
Zhang, ZM [1 ]
机构：
[1] Xian Univ Technol, Dept Mech Engn, Xian 710048, Peoples R China
来源：
ELEVENTH WORLD CONGRESS IN MECHANISM AND MACHINE SCIENCE, VOLS 1-5, PROCEEDINGS | 2004年
关键词：
structural damping; three parameters; damping alloy; time domain constitution; finite element method;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, the standard three parameters model of viscoelastic mechanics is introduced as the constitutive equation for damping alloy. Based on the experimental data, the three parameters are fitted using an optimization algorithm. The finite element dynamic equations are derived through the established three parameters constitution. For the convenience of computation, the established finite element equations containing convolution integration are changed into three order ordinary differential equations, which then transformed into a standard state variable model. Numerical example is given to show the effectiveness of the presented method in studying dynamic characteristics of structure and machines containing damping alloy components.
引用
收藏
页码：521 / 524
页数：4
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