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Reflection and transmission at the boundary surface of modified couple stress thermoelastic media

Kumar R., Kumar K.

International Journal of Applied Mechanics and Engineering

2016

Vol. 21, no. 1

61--81

In this paper the reflection and transmission at a plane interface in modified couple stress generalized thermoelastic solid half spaces in the context of Loard-Shulman (LS) and Green-Lindsay (GL) theories in welded contact are investigated. Amplitude ratios of various reflected and transmitted waves are obtained due to incidence of a set of coupled longitudinal waves and coupled transverse waves. It is found that the amplitude ratios of various reflected and transmitted waves are functions of the angle of incidence, frequency and are affected by the couple stress properties of the media. Some special cases are deduced from the present formulation.

Reflection of transverse and microrotational waves from free surface in micropolar thermodiffusive elastic half-space

Kumar R., Kaushal S., Sharma K. D., Garg S. K.

International Journal of Applied Mechanics and Engineering

2012

Vol. 17, no. 1

143-159

The problem of reflection of plane waves in a micropolar thermodiffusive elastic has been investigated in the context of coupled theory. The amplitude ratios of various reflected waves are continuous function of the angle of incidence and material parameters of the medium. A graphical representation of amplitude ratios is presented and the impact of micropolarity and diffusive property of the medium is observed to be significant. Some special cases of interest are deduced.