Open AccessEffect of initial stresses on the elastic waves in transversely isotropic thermoelastic materials
Author(s) -
Tochhawng Lalawmpuia,
SS Singh
Publication year - 2020
Publication title -
engineering reports
Language(s) - English
Resource type - Journals
ISSN - 2577-8196
DOI - 10.1002/eng2.12104
Subject(s) - thermoelastic damping , transverse isotropy , isotropy , longitudinal wave , materials science , reflection (computer programming) , mechanics , boundary value problem , elasticity (physics) , transverse wave , mechanical wave , thermal , wave propagation , physics , optics , composite material , thermodynamics , quantum mechanics , computer science , programming language
In the present article, we have studied the reflection/transmission of elastic waves in initially stressed transversely isotropic thermoelastic materials. Three quasi type coupled longitudinal (QL), transverse (QT), and thermal waves are found to propagate in initially stressed transversely isotropic thermoelastic materials. For incident QL and QT‐waves at a plane interface, boundary conditions were implemented for obtaining the coefficients of reflection/transmission, the distribution of energy in the reflected and transmitted waves are also discussed. We have observed that the results vary with direction of incidence as well as the parameters due to elasticity, thermal, and initial stresses. Numerical computations have been performed and analyzed the impact of initial stresses on the results. It has been observed critical angles at θ 0 =30° and 58° for the reflected and transmitted QL‐waves for incident QT‐wave.