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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Nonuniformity of the constitutive law parameters for shear rupture and quasistatic nucleation to dynamic rupture: A physical model of earthquake generation processes
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Nonuniformity of the constitutive law parameters for shear rupture and quasistatic nucleation to dynamic rupture: A physical model of earthquake generation processes

机译：剪切破裂和准静态成核到动态破裂的本构律参数的不均匀性：地震发生过程的物理模型

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摘要

Based on the recent high-resolution labora- tory experiments on propagating shear rupture, the consti- tutive law that governs shear rupture processes is discussed in view of the physical principles and constraints, and a specific constitutive law is proposed for shear rupture. It is demon- strated that nonuniform distributions of the constitutive law parameters on the fault are necessary for creating the nucle- ation process, which consists of two phases: (i) a stable, quasistatic phase, and (ii) the subsequent accelerating phase. Physical models of the breakdown zone and the nucleation zone are presented for shear rupture in the brittle regime.
机译：基于最新的传播剪切断裂的高分辨率实验，基于物理原理和约束条件，讨论了控制剪切断裂过程的本构律，并提出了一种特定的本构定律。事实证明，断层本构定律参数的不均匀分布对于形成成核过程是必要的，该过程包括两个阶段：（i）稳定的准静态阶段，以及（ii）随后的加速阶段。给出了在脆性状态下剪切断裂的击穿区和成核区的物理模型。

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