التفاصيل البيبلوغرافية
| العنوان: |
Effect of Initial Stress and Impedance Boundary in Transversely Isotropic Materials. |
| المؤلفون: |
Lianngenga, R., Lalvohbika, J. |
| المصدر: |
International Journal of Computational Methods; Feb2024, Vol. 21 Issue 1, p1-16, 16p |
| مصطلحات موضوعية: |
ELASTIC wave propagation, ACOUSTIC surface waves, ELASTIC waves, PHASE velocity, SURFACE impedance |
| مستخلص: |
This paper aimed at studying the effect of initial stress and impedance boundary surface on the elastic waves propagation in transversely isotropic materials. The governing equations of transversely isotropic materials with initial stress are treated in the x y -plane to obtain the phase velocities of two waves, quasi-longitudinal (q P) and quasi-transverse (q S) waves. The normal mode operation is employed to obtain the expression of the displacement components and stress components. The problem of reflection of incident waves at the impedance boundary of transversely isotropic material is also investigated in the presence of initial stress to obtain the amplitude ratios of reflected waves. The variations of displacement and force stress are illustrated with respect to the axis of propagation by employing amplitude ratio expression. The effect of initial stress and impedance parameters on the expression of displacement and force stress as well as amplitude ratios of transversely isotropic materials are illustrated graphically for a particular model. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
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