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1 International Journal of Applied Mechanics and Engineering

1 2005

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Propagation of SH-wave through an elastic slab sandwiched between two half-spaces

Tomar S. K., Singh B.

International Journal of Applied Mechanics and Engineering

2005

Vol. 10, no 2

345-358

Two boundary value problems are investigated in this paper: first, a plane SH-wave incident upon a slab of monoclinic crystal which is interposed between two uniform elastic solid half-spaces; second, a plane SH-wave incident upon a linear homogeneous isotropic elastic slab interposed between two monoclinic elastic half-spaces. The expressions of reflection and transmission coefficients are derived in a closed form and several particular cases are discussed. Elastic constants for rock gypsum (CaSO4.2H2O) are used in numerical computations to describe the effect of monoclinic properties on reflection and transmission coefficients. It is found that there is a significant effect of the interposed layer on reflection and transmission coefficients.