REFLECTION AND REFRACTION OF ELASTIC WAVES AT A CORRUGATED INTERFACE IN A BI-MATERIAL TRANSVERSELY ISOTROPIC FULL-SPACE

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SHADMANAMEN N.; ESKANDARI GHADI M.

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Journal: Year:2008 | Volume:42 | Issue:6 (116) Page(s): 751-763

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Information Journal Paper

Title

REFLECTION AND REFRACTION OF ELASTIC WAVES AT A CORRUGATED INTERFACE IN A BI-MATERIAL TRANSVERSELY ISOTROPIC FULL-SPACE

Author(s)

SHADMANAMEN N. | ESKANDARI GHADI M. | Issue Writer Certificate

Keywords

SHQ3

WAVEQ3

IRREGULAR REFLECTION AND REFRACTIONQ3

CORRUGATED INTERFACEQ3

RAYLEIGH'S METHODQ3

Abstract

The existing theory for WAVE propagation through a soil layer are not compatible with the real soil layers because in the theory the layers are flat and the sub-layers are parallel, while in real the soil layers are not flat and they may not be parallel. Thus, WAVE propagations through a CORRUGATED INTERFACE are so important. In this paper, two-dimensional SH-wave propagation through a CORRUGATED INTERFACE between two linear transversely isotropic half-spaces is assessed. In order to do this, Lord RAYLEIGH'S METHOD is accepted to express the non-flat surface by a Fourier series. In this way, the amplitude of the reflected and transmitted WAVEs is analytically determined in terms of the incident SH-wave amplitude. It is SHown that except for the regular reflected and refracted WAVEs, some irregular reflected and refracted WAVEs are exist, and the amplitudes of these WAVEs vary in terms of the angle and frequency of incident WAVE, equation of surface, and the material properties of the domains. The numerical computations for some cases of different amplitude/wave-length ratio of the interface are done. This work is an extension of Asano's paper (1960) for a more complicated interface, where more non-zero coefficients are considered in expressing the equation of surface in the form of Fourier series. The analytical results for some simpler case of isotropic domain are collapsed on Asano's results (1960). In addition, the numerical evaluation is in good agreement with Asano's.

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APA: Copy

SHADMANAMEN, N., & ESKANDARI GHADI, M.. (2008). REFLECTION AND REFRACTION OF ELASTIC WAVES AT A CORRUGATED INTERFACE IN A BI-MATERIAL TRANSVERSELY ISOTROPIC FULL-SPACE. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 42(6 (116)), 751-763. SID. https://sid.ir/paper/14259/en

Vancouver: Copy

SHADMANAMEN N., ESKANDARI GHADI M.. REFLECTION AND REFRACTION OF ELASTIC WAVES AT A CORRUGATED INTERFACE IN A BI-MATERIAL TRANSVERSELY ISOTROPIC FULL-SPACE. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2008;42(6 (116)):751-763. Available from: https://sid.ir/paper/14259/en

IEEE: Copy

N. SHADMANAMEN, and M. ESKANDARI GHADI, “REFLECTION AND REFRACTION OF ELASTIC WAVES AT A CORRUGATED INTERFACE IN A BI-MATERIAL TRANSVERSELY ISOTROPIC FULL-SPACE,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 42, no. 6 (116), pp. 751–763, 2008, [Online]. Available: https://sid.ir/paper/14259/en

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