Abstract
The physical modelling of elastic waves reflected from the boundary between the water and the model of low-velocity azimuthally anisotropic medium was carried out. The model of anisotropic medium was made using 3D printer. The results of experiments showed that the reflection coefficients are practically independent from the azimuth at the angles of incidence less than 25°. At larger angles of incidence, the azimuthal dependence of the reflection coefficients is observed, which is most pronounced at azimuths from 45° to 75°. The results of measurements in the layering direction are in good agreement with the theoretical reflection coefficients for the boundary of isotropic media.
Highlights
The physical modelling of elastic waves reflected from the boundary between the water and the model of low-velocity azimuthally anisotropic medium was carried out
The results of experiments showed that the reflection coefficients are practically independent from the azimuth at the angles of incidence
Область научных интересов: физическое моделирование сейсмических волновых полей, пассивные сейсмические методы, e-mail: kolesnikovyi@ipgg.sbras.ru ФЕДИН Константин Владимирович – кандидат технических наук, научный сотрудник лаборатории динамических проблем сейсмики ИНГГ СО РАН
Summary
The physical modelling of elastic waves reflected from the boundary between the water and the model of low-velocity azimuthally anisotropic medium was carried out. ФИЗИЧЕСКОЕ МОДЕЛИРОВАНИЕ ОТРАЖЕНИЯ УПРУГИХ ВОЛН ОТ ГРАНИЦЫ С НИЗКОСКОРОСТНОЙ АЗИМУТАЛЬНО-АНИЗОТРОПНОЙ СРЕДОЙ Проведено физическое моделирование упругих волн, отраженных от границы воды, и модели низкоскоростной азимутально-анизотропной среды, изготовленной с помощью печати на 3D-принтере.
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