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Structural Engineering and Mechanics Volume 31, Number 2, January30 2009 , pages 117-135 DOI: https://doi.org/10.12989/sem.2009.31.2.117 |
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Effects of stiffness on reflection and transmission of micropolar thermoelastic waves at the interface between an elastic and micropolar generalized thermoelastic solid |
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Rajneesh Kumar, Nidhi Sharma and Paras Ram
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| Abstract | ||
| The reflection and transmission of micropolar thermoelastic plane waves at the interface between an elastic solid and micropolar generalized thermoelastic solid is discussed. The interface boundary conditions obtained contain interface stiffness (normal stiffness and transverse stiffness). The expressions for the reflection and transmission coefficients which are the ratios of the amplitudes of reflected and transmitted waves to the amplitude of incident waves are obtained for normal force stiffness, transverse force stiffness and welded contact. Numerical calculations have been performed for amplitude ratios of various reflected and transmitted waves. The variations of amplitude ratios with angle of incident wave have been depicted graphically. It is found that the amplitude ratios of reflected and transmitted waves are affected by the stiffness, micropolarity and thermal distribution of the media. | ||
| Key Words | ||
| micropolar generalized thermoelastic solid; normal force stiffness; transverse force stiffness; welded contact; amplitude ratios. | ||
| Address | ||
| Rajneesh Kumar | ||