Analytical solutions of functionally graded material (FGM) shells with embedded
magnetostrictive layers are presented in this study. These magnetostrictive layers are
used for vibration suppression in the functionally graded shells. Higher order shear
deformation theory is employed to study the vibration suppression characteristics.
The exact solution for the FGM shell with simply supported boundary conditions is
based on the Navier solution procedure. Negative velocity feedback control is used.
The parametric effect of the location of the magnetostrictive layers, material
properties, and control parameters on the suppression effect are investigated in
detail. Higher order shear deformation theory has significant influence on the
prediction of the vibration response of thick shells. Further, it is found that the
shortest vibration suppression time is achieved by placing the actuating
layers farthest from the neutral plane, that the use of thinner smart material
layers leads to better vibration attenuation characteristics, and that the
vibration suppression time is longer for a smaller value of the feedback control
coefficient.
