The Dynamic Response Sensitivity Of A The Functionally Graded Magneto-Electro- Elastic Plate To Its Material Parameters

The piezoelectric-piezomagnetic composite materials is mean that the single phase piezoelectric material and the single phase piezomagnetic material combined by some particular method. It can be divided into three types: piezoelectric-piezomagnetic composite particles materials,piezoelectric-piezomagnetic composite membrane materials, layered piezoelectric-piezomagnetic composite materials. The layered magnetic composite has a simple structure, easy preparation, and the magnetic characteristics of the coefficient higher than other materials.Then it has been widespread concern and have a good development prospects. This article carried out a simply supported and clamped edges magneto-electricity- springboard dynamic response sensitivity study of material parameters. Using analytical and finite element finite element analysis. In this paper, the following two aspects of the research and analysis and get the factors affecting of system dynamic response.1. Get a simply supported functionally graded magneto- electricity-the dynamic response of elastic plates, using the finite element method sensitivity study of functionally graded material parameters assumed in the thickness direction of the exponential law. Based on the energy variational principle finite element model, which is composed of electromagnetic coupling dynamics of displacement components included, potential and magnetic potential power differential equations decision. Dynamic Response Sensitivity is defined as a response to the material parameters of the partial differential relative power. Simply supported functionally graded magneto- electricity- the dynamic response sensitivity elastic plate elastic parameters and magnetic parameters were studied, but also impact on the dynamic response of the sensitivity of different indices factors were also studied.2. Get a clamped functionally graded magneto-electro-elastic plate,using semi-analytical method to study methods and simply supported functionally graded magneto- electricity- similar to an elastic plate,adding edges clamped boundary conditions, Clamped function gradient Magnetic- electricity- elastic plate elastic parameters and magnetic parameters of the dynamic response of sensitivity studies, but also on the different exponential factor influence on the dynamic response of thesensitivity of the material parameters have also been studied.Got some response to the material power insensitive material parameters and the response sensitivity particularly large material parameters on power; get different excitation frequency bands, the sensitivity of magnetic parameters on the dynamic response of the board;find the index factor on sensitive material affect the characteristics of the degree.