Mathematical model and numerical simulation of slow deformation waves in the earth’s crust structural elements P. V. Makarov, A. Y. Peryshkin
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ArticleSubject(s): численное моделирование | медленные деформационные волны | тектонические движения | деформационные автоволны | земная кораGenre/Form: статьи в журналах Online resources: Click here to access online
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AIP Conference Proceedings Vol. 1783. P. 020146-1-020146-4Abstract: Numerical calculations of the formation and propagation of slow deformation waves in geological media are performed. The velocities of such a tectonic movements usually lie within the range of 1–100 km/year and these movements are treated as slow deformation waves. The deformation autowaves are shown to make a considerable contribution into the formation of fracture foci. When two such autowaves collide, they behave similar to solitons, reflecting from each other as elastic particles. The deformation autowaves form at the boundaries of structural elements, e.g., blocks of a geomedium during their fast movements. An autowave in a geomedium is developed due to a local loss of stability, and the velocity of its motion is found to be proportional to the velocity of crush movement (motion velocity of the grip during the formation of a Lüders front).
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Numerical calculations of the formation and propagation of slow deformation waves in geological media are performed. The velocities of such a tectonic movements usually lie within the range of 1–100 km/year and these movements are treated as slow deformation waves. The deformation autowaves are shown to make a considerable contribution into the formation of fracture foci. When two such autowaves collide, they behave similar to solitons, reflecting from each other as elastic particles. The deformation autowaves form at the boundaries of structural elements, e.g., blocks of a geomedium during their fast movements. An autowave in a geomedium is developed due to a local loss of stability, and the velocity of its motion is found to be proportional to the velocity of crush movement (motion velocity of the grip during the formation of a Lüders front).
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