摩擦模型中的雪崩前兆
Avalanche precursors in a frictional model
摘要：
本文提出了一个基于弹性耦合滑块的变倾角摩擦斜面上的一维数值模型。这种非常简单的方法可以研究雪崩的前兆，并为实验中观察到的不同特征提供合理化。我们提供了一个统计描述的模型，导致主方程描述系统的状态作为倾斜角的函数。我们的中心结果是再现大规模的常规事件之前的雪崩，一方面，和分析方法提供了一个内部阈值的爆发前的雪崩在系统中的重排，另一方面。
英文摘要：
We present a one-dimensional numerical model based on elastically coupled sliders on a frictional incline of variable tilt. This very simple approach makes possible to study the precursors to the avalanche and to provide a rationalization of different features that have been observed in experiments. We provide a statistical description of the model leading to master equations describing the state of the system as a function of the angle of inclination. Our central results are the reproduction of large-scale regular events preceding the avalanche, on the one hand, and an analytical approach providing an internal threshold for the outbreak of rearrangements before the avalanche in the system, on the other hand.
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