A mathematical model of calculating local tsunami wave source constraints and propagation

LI Daming LI Yangyang

LI Daming, LI Yangyang. A mathematical model of calculating local tsunami wave source constraints and propagation[J]. Acta Oceanologica Sinica, 2015, 34(5): 103-109. doi: 10.1007/s13131-015-0673-0
Citation: LI Daming, LI Yangyang. A mathematical model of calculating local tsunami wave source constraints and propagation[J]. Acta Oceanologica Sinica, 2015, 34(5): 103-109. doi: 10.1007/s13131-015-0673-0

doi: 10.1007/s13131-015-0673-0
基金项目: The National Natural Science Foundation of China under contract No. 51079095; the Science Fund for Creative Research Groups of the National Natural Science Foundation of China under contract No. 51021004.

A mathematical model of calculating local tsunami wave source constraints and propagation

  • 摘要: 建立了局地海啸数值模型, 包括海啸源的初始位移场模型和海啸波传播模型两部分。初始位移场模型通过对海啸波理论方程的推导, 应用内外解匹配和等水体量的方法确定了不同海底地形的海啸波的初始位移场, 海啸波传播模型从Boussinesq方程出发, 差分格式采用交替方向隐格式即ADI方法并对ADI方法的开边界进行了改进, 在运动方程里考虑了海啸波能量对波传播的影响。本文利用此模型对2011年的日本海啸进行了模拟计算, 结果与观测数据拟合较好。
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出版历程
  • 收稿日期:  2014-05-23
  • 修回日期:  2014-10-21

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