Abstract
Vibration analysis of polar orthotropic sandwich annular plate with magnetorheological (MR) elastomer is considered. The effects of thickness of the MR elastomer, applied magnetic fields on the sandwich system are discussed. The characteristics of the sandwich plate system can be controlled and changed by the applied magnetic fields. The core layer of MR elastomer has significant effects on the damping behavior of the sandwich plate system according to the numerical results.
Highlights
The MR material had great potential in applications for smart material and structure in recent years
The vibration characteristics of the sandwich polar orthotropic annular plate with MR elastomer are investigated in this study
The natural frequency and modal loss factor of the sandwich polar orthotropic annular plate system are calculated by the discrete layer finite element method
Summary
The MR material had great potential in applications for smart material and structure in recent years. The applications for the construction of smart components had been previously calculated and discussed by Yalcintas and Dai [5]. Sun et al [6] used Hamilton’s principle to obtain analytical model for sandwich beam structure with MR core layer based and calculated the numerical results with -supported boundary condition. Ying and Ni [7] calculated the micro-vibration response of a stochastically excited sandwich beam with a MR elastomer core. The dynamic characteristics analysis of MR elastomer-based sandwich beam with conductive skins for various boundary conditions was calculated and discussed by Nayak et al [8]. Rajamohan and Ramamoorthy [9] studied the dynamic characterization of non-homogeneous MR fluids based multi-layer beam
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