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首页> 外文期刊>Journal of Basic and Applied Physics >Aftershocks Distributions in a Modified Olami-Feder-Christensen Model
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Aftershocks Distributions in a Modified Olami-Feder-Christensen Model

机译：修正的Olami-Fe​​der-Christensen模型中的余震分布

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摘要

We introduce a stress decay process into a continuous cellular automaton version of the Olami-Feder-Christensen model of earthquakes. The most important model parameter is the decay level of non-conservation during local stress redistribution. In particular, the Gutenberg-Richter and Omori laws for aftershocks sequences can be reproduced synchronously by this model simulation. The simple toppling mechanism of this modified model is sufficient to account for the clustering of real aftershocks. The self-organized criticality properties of the model are discussed. The high correspondence of the simulated results to observations supports the hypothesis that fault systems are in a state of self-organized criticality. At the same time, our work suggests that the occurrence of self-organized criticality depends, at least in part, on the decay dynamics of the non-conservation.
机译：我们将应力衰减过程引入到地震的Olami-Fe​​der-Christensen模型的连续元胞自动机版本中。最重要的模型参数是局部应力重新分布过程中非保守的衰减水平。特别是，可以通过此模型仿真同步再现余震序列的古腾堡-里希特和大森定律。这个修改后的模型的简单倒塌机制足以解决真实余震的聚类问题。讨论了模型的自组织临界性质。模拟结果与观测值的高度对应性支持了以下假设：故障系统处于自组织临界状态。同时，我们的工作表明自组织临界的出现至少部分取决于非保守的衰减动力学。

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