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

LI Daming; LI Yangyang

doi:10.1007/s13131-015-0673-0

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Article Navigation > Acta Oceanologica Sinica > 2015 > 34(5): 103-109

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

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

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

doi: 10.1007/s13131-015-0673-0

State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, China

Received Date: 2014-05-23
Rev Recd Date: 2014-10-21

Abstract

Abstract

This paper presents a local tsunami simulation, including the initial displacement field model of tsunami source and tsunami wave propagation model. We deduced the tsunami wave equation; applied the matching of interior and exterior solutions method and water mass method to determine the initial displacement field in different bottom topography. Tsunami wave propagation model was based on the Boussinesq equation. Difference format was based on the ADI method which discretized in alternating direction in the form of implicit scheme. The open boundary of ADI had been revised considering the influence of wave propagation in the equation of motion. The local tsunami mathematical model was used in the simulation of 2011 Japan tsunami, and the results and the observation data match well.
- local tsunami,
- initial displacement field,
- numerical simulation,
- tsunami wave propagation

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References(22)

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