基于连续-离散单元法的汶川地震动力学二维自发破裂全周期模拟研究

赵由佳, 张国宏*, 张迎峰, 单新建, 屈春燕

TWO-DIMENSIONAL WHOLE CYCLE SIMULATION OF SPONTANE-OUS RUPTURE OF THE 2008 WENCHUAN EARTHQUAKE USING THE CONTINUOUS-DISCRETE ELEMENT METHOD

ZHAO You-jia, ZHANG Guo-hong, ZHANG Ying-feng, SHAN Xin-jian, QU Chun-yan

3种模型同震剪应力分布的动态变化模型Ⅰ显示地震在YBF位于深处平缓断层到浅处陡峭断层过渡处约深度18km左右发震; 模型Ⅱ破裂起始点同模型Ⅰ,再传至WMF; 模型Ⅲ起始破裂点位于GJF倾角过渡处, 接着传至YBF