- 期刊
Damping Characteristics Analysis of Polar Orthotropic Annular Plates Subjected with ER core layer
並列摘要
The damping characteristics analysis of polar orthotropic annular plate with electrorheological (ER) fluid core layer is investigated in this paper. By using the discrete layer finite element method, the equations of motion of the polar orthotropic annular sandwich plate are derived. When applying an electric field, the rheological property of the electrorheological fluid materials, such as viscosity, plasticity, and elasticity can be changed. The damping characteristics of the sandwich system are more effective when the electric fields are applied on the system. The effects of ER layer thickness, base annular plate stiffness, and some designed parameters on natural frequencies and modal loss factors are also discussed in this paper. And, the ER fluid core is found to have a significant effect on the dynamic behaviors of the sandwich annular plate system.
延伸閱讀
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