ANZIAM J.
48 (2007), 433-447
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Reflection coefficients and energy ratios in a micropolar thermoelastic medium without energy dissipation
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Abstract
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The linear governing equations of a micropolar
thermoelastic medium without energy dissipation
are solved to show the existence of four plane
waves in a two-dimensional model. The expressions
for velocities of these plane waves are obtained.
The boundary conditions at the free surface are
used to obtain a system of four nonhomogeneous
equations. These equations are solved numerically
for a particular model to obtain reflection
coefficients for the incidence of coupled
longitudinal displacement and coupled transverse
microrotational waves. These reflection
coefficients as well as the energy ratios are
computed and are shown graphically with the angle
of incidence in the presence and absence of
thermal effects.
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Australian Mathematical Publishing Association Inc.
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Australian MS
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