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In this chapter, after briefly introducing the characteristics of earthquake rupture phenomena revealed by seismic wave observations, we theoretically examine the dynamic propagation of two-dimensional shear cracksShear crack as a model of earthquake rupture. In modeling the two-dimensional cracks, the focus is primarily on semi-infinite cracks that propagate at constant velocities, which is easy to analyze mathematically. However, to address the inherent weakness of semi-infinite cracks, we also consider the difference from what would be expected from finite size cracks.

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Analytical Solutions for Two-Dimensional Dynamic Rupture

  • 章节

  • 发表日期：

    2026年

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  • Teruo Yamashita,
  • Nobuki Kame

摘要

In this chapter, after briefly introducing the characteristics of earthquake rupture phenomena revealed by seismic wave observations, we theoretically examine the dynamic propagation of two-dimensional shear cracksShear crack as a model of earthquake rupture. In modeling the two-dimensional cracks, the focus is primarily on semi-infinite cracks that propagate at constant velocities, which is easy to analyze mathematically. However, to address the inherent weakness of semi-infinite cracks, we also consider the difference from what would be expected from finite size cracks.