Abstract
Using the discrete element method, the authors model numerically the process of accumulation and release of energy in a geo-medium subjected to long-term periodical impacts. The medium consists of particles grouped into clusters. Within the cluster, all particles are elastically connected between each other. Periodical loading is implemented through setting of kinematic boundary conditions to simulate tidal deformation. It was shown that under a high tidal compression, fluctuations of the accumulated elastic energy have two pronounced maximums and minimums within a deformation cycle (one turn of tidal wave). It means such system lacks the ability of long-term accumulation of elastic energy. With the decrease in tidal compression, the part of elastic energy accumulated within one cycle is preserved in the form of internal self-balancing stresses for next cycles. In this case, the system has an ability to accumulate the energy for a long period of time, but to release dynamically in the mode of a catastrophe.
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This study was carried out in the framework of the Fundamental Scientific Research, state registration no. AAAA-A17-117122090002-5.
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Lavrikov, S., Revuzhenko, A. (2019). Modeling Accumulation and Release of Energy in a Geo-medium Under the Influence of Tidal Forces. In: Kocharyan, G., Lyakhov, A. (eds) Trigger Effects in Geosystems. Springer Proceedings in Earth and Environmental Sciences. Springer, Cham. https://doi.org/10.1007/978-3-030-31970-0_12
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DOI: https://doi.org/10.1007/978-3-030-31970-0_12
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