Non-stationary processes in nidal zone at sudden appearance of break

Abstract eng:
An initial boundary problem of non-stationary processes in the tense environment at sudden appearance of a semi-infinite break with a viscous contact of banks that simulates the process of earthquake’s occurrence was considered and analytically solved. It was revealed that behind the front of seismic waves in the perturbed zone there is an inversion of acceleration, and the arrangement of the inversion zones is connected with the break’s orientation. It was found that the contact interaction of the break shores has a significant impact on intensity of acceleration in the environment and the size of seismic wave’s impact. It was found that in the presence of viscous interaction between the shores of the break at the time of its occurrence, a partial discharge stress happens, as opposed to a complete reset of stress on the break, banks of which do not interact.

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