Dynamic properties analysis of hydraulic rubber isolator under the excitation with different amplitude
Pan Xiao-yong1; Xie Xin-xing2,Shang-guan Wenbin1，2
1. Ningbo Tuopu Vibro-acoustics Technology Co., Ltd，Ningbo 315800;2. School of Mechanical and Automotive Engineering，South China University of Technology，Guangzhou 510640
Abstract：The dynamic properties of a typical hydrobush are tested. It’s shown that the amplitude dependency and frequency dependency of the hydrobush dynamic properties are correlative. Hyperelastic-viscoelastic-plastic (VEP) Finite Element model of a hydrobush, containing hyperelastic-viscoelastic (VE) model and elastic-plastic (EP) model, is constructed based on an approach named mesh-superimposition. The dynamic properties of main rubber element (MRE) of the hydrobush is calculated by VE model and VEP model respectively, the simulation results of the two models have been compared, the results show that using VEP model can help to express exactly the contribution of MRE to the hydrobush dynamic properties. The Fluid-Structure Interactive (FSI) model of a hydrobush is described in details. Furthermore, the VE model and VEP model are applied respectively in the analysis for the dynamic properties of a hydrobush using FSI method. The simulation results of the two models have been compared, the results show that VEP model is better than VE model to reflect the actual correlation characteristic of the amplitude dependency and frequency dependency of the dynamic properties for a hydrobush, these methods would give effective guidance to early development and design of hydraulic rubber isolator.
潘孝勇;谢新星;上官文斌;. 变振幅激励下的液阻橡胶隔振器动态特性分析[J]. , 2012, 31(1): 144-149.
Pan Xiao-yong;Xie Xin-xing;Shang-guan Wenbin;. Dynamic properties analysis of hydraulic rubber isolator under the excitation with different amplitude. , 2012, 31(1): 144-149.
2012, Vol. 31 
