Title of article :
Transient responses of a magneto-electro-elastic hollow sphere for fully coupled spherically symmetric problem
Author/Authors :
Wang، نويسنده , , H.M. and Ding، نويسنده , , H.J.، نويسنده ,
Issue Information :
دوماهنامه با شماره پیاپی سال 2006
Abstract :
By introducing a dependent variable and a special function satisfying the inhomogeneous mechanical boundary conditions, the governing equation for a new variable with homogeneous mechanical boundary conditions is derived. Then by means of the separation of variables technique and the electric and magnetic boundary conditions, the dynamic problem of a magneto-electro-elastic hollow sphere under spherically symmetric deformation is transformed to two Volterra integral equations of the second kind about two functions of time. Cubic Hermite polynomials are adopted to approximate the two undetermined functions at each time subinterval and the recursive formula is obtained to solve the integral equations successfully. The transient responses of displacements, stresses, electric and magnetic potentials are completely determined at the end. Numerical results are presented.
Keywords :
Hollow sphere , Magneto-electro-elastic , transient response
Journal title :
European Journal of Mechanics: A Solids
Journal title :
European Journal of Mechanics: A Solids