非均匀Olami-Feder-Christensen地震模型的模拟研究
Simulation study of the inhomogeneous Olami-Feder-Christensen model of earthquakes
摘要：
通过数值模拟研究了Olami-Feder-Christensen（OFC）模型的非齐次版本的统计特性。空间不均匀性被假定为是动态的。在原始同质OFC模型中发现的关键特征，例如，古腾堡-里克特定律和大森定律在存在非均匀性的情况下经常被削弱或抑制，而在原始均匀OFC模型中发现的特征性特征，例如，大事件的近周期性复发和凹凸现象持续存在。
英文摘要：
Statistical properties of the inhomogeneous version of the Olami-Feder-Christensen (OFC) model of earthquakes is investigated by numerical simulations. The spatial inhomogeneity is assumed to be dynamical. Critical features found in the original homogeneous OFC model, e.g., the Gutenberg-Richter law and the Omori law are often weakened or suppressed in the presence of inhomogeneity, whereas the characteristic features found in the original homogeneous OFC model, e.g., the near-periodic recurrence of large events and the asperity-like phenomena persist.
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