Special features of oblique wave propagation through the interface of media with dislocations |
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Authors: | N V Chertova Yu V Grinyaev |
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Institution: | 1.Institute of Strength Physics and Materials, Science, Siberian Branch,Russian Academy of Sciences,Tomsk,Russia |
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Abstract: | The mechanisms of propagation of oblique plane harmonic waves through the interface of Voigt and Maxwell viscoelastic media were studied in the context of field theory of defects which describes dislocation continuum dynamics. The defect field waves structure for different displacement wave polarizations was determined. Analytical expressions were derived for the reflection and refraction coefficients of displacement waves and defect field waves propagating in the media. The dependences of Fresnel coefficients on the incidence angle of a primary wave and parameters of the contacting media were analyzed. |
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