| Nonlinear Characteristics of Hydraulic Bushing and Influential Factors |
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| DOI： |
| Key Words: hydraulic bushing；nonlinear dynamic characteristics；fluid structure interaction FEA；lumped parameter |
| Author Name | Affiliation | | LI Lin | Guangdong Industry Technical College；South China University of Technology |
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| Abstract: |
| In this study，the static and dynamic mechanical characteristics of hydro-bushing were studied，and the fluid characteristic in hydro-bushing was analyzed using two-way fluid-structure interaction nonlinear finite element analysis （FEA）.It was found that the analysis result of FEA was in good accordance with the experimental test result，and this method directly reflected the movement and distribution of the liquid.The change of the dynamic characteristic of hydro-bushing was most sensitive to the equivalent area of piston among all the lumped parameters.With the increase of the equivalent area of piston，the dynamic stiffness and lag angle were greatly increased. |
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