The effect of beach slope on the tsunami run-up induced by thrust fault earthquakes | Zendy

Chao An | Zendy; Yongen Cai | Zendy

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The effect of beach slope on the tsunami run-up induced by thrust fault earthquakes

Author(s) -

Chao An,

Yongen Cai

Publication year - 2010

Publication title -

procedia computer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.334

H-Index - 76

ISSN - 1877-0509

DOI - 10.1016/j.procs.2010.04.069

Subject(s) - thrust , geology , thrust fault , fault (geology) , seismology , amplitude , physics , quantum mechanics , thermodynamics

Analytical methods for studying tsunami run-up become untenable when the tsunami wave runs on beaches. In this study, we use a finite-element procedure that includes the interaction between solid and fluid based on the potential flow theory to simulate the dynamics of tsunami wave induced by a thrust fault earthquake in order to investigate the effect of different beach slopes on the tsunami run-up. The simulated run-up shows significantly differences from that predicted by the analytical solution. The maximum run-up shows a negative linear relationship with the square root of the cotangent of the beach slope, similar to the result of the analytical solution using a solitary wave as the incident wave, but with different slopes and amplitudes

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