Torsional waves in prestressed fiber reinforced medium subjected to magnetic field

The propagation of torsional waves in a prestressed fiber-reinforced half-space under the effect of magnetic field and gravity has been discussed. the problem has been solved analytically using whittaker function to obtain the exact solution frequency equations. numerical results for stress,gravity and magnetic field are given and illustrated graphically. comparisons are made with the results predicted by the boundary value condition for rigid boundary and for traction free boundary in the presence and in the absence of the effect of a magnetic field,gravity and stress. it is found that the reinforcement,gravity and magnetic field have great effects on the distribution. © 2012 iau,arak branch.