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1 International Journal of Applied Mechanics and Engineering

1 2009

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Effects of viscosity and stiffness on wave propagation in micropolar viscoelastic media

Kumar R., Sharma N.

International Journal of Applied Mechanics and Engineering

2009

Vol. 14, no 2

415-431

The problem of a reflection and transmission of plane waves at an imperfect interface between two homogeneous, isotropic micropolar viscoelastic half-spaces of different properties is studied. The expressions for the reflection and transmission coefficients which are the ratios of the amplitude of reflected and transmitted waves to the angle of incident wave are obtained and deduced for the normal force stiffness, transverse force stiffness, transverse couple stiffness and perfect bonding. Viscous and stiffness effects on these amplitude ratios with angle of incidence have been shown graphically. Some special cases of interest have been deduced from the present investigation.