Dynamic characterization and numerical modelling of automotive rubber connections

被引：7
|
作者：
Mundo, D [1 ]
Mas, P
Clausi, D
机构：
[1] Univ Calabria, Dept Mech Engn, I-87030 Ponte Bucci, Arcavacata Rend, Italy
[2] LMS Int, Engn Serv, Louvain, Belgium
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING | 2006年 / 220卷 / D4期
关键词：
automotive vibrations; rubber connections; experimental characterization; finite element modelling; frequency response function correlation;
D O I：
10.1243/09544070JAUTO44
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A hybrid numerical-experimental methodology for the dynamic characterization of automotive rubber connections is presented. In order to predict the dynamic response of automotive structures, a finite element (FE) modelling approach is often used. A critical factor in the achievement of accurate dynamic or static predictions is modelling of non-linear connections between closures and car body. An experimental method is proposed for characterizing the dynamic behaviour of automotive weather strips. By means of a dedicated test bed, a frequency-dependent model of complex stiffness is identified for both normal and tangential loading conditions. The stiffness variability with quasi-static deformation amplitude and deformed shape is also investigated. The experimental data are then used to identify a linear FE model of vehicle rubber connections within the range 0-300 Hz. A simplified car door model and frequency response function (FRF) correlations are used to obtain an experimental validation of the proposed modelling approach.
引用
收藏
页码：425 / 434
页数：10
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