Sensitivity Study of Hydrodynamic Parameters During Numerical Simulations of Tsunami Inundation |
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| Authors: | Ceren Ozer Ahmet Cevdet Yalciner |
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| Institution: | (1) Department of Civil Engineering, Ocean Engineering Research Center, Middle East Technical University, 06531 Ankara, Turkey; |
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| Abstract: | This paper describes the analysis of a parameter, “hydrodynamic demand,” which can be used to represent the potential for
tsunami drag force related damage to structures along coastlines. It is derived from the ratio of drag force to hydrostatic
force caused by a tsunami on the structure. It varies according to the instantaneous values of the current velocities and
flow depths during a tsunami inundation. To examine the effects of a tsunami in the present study, the analyses were performed
using the tsunami numerical model in two altered regular-shaped basins having different bottom slopes. The simulations were
implemented using a single sinusoidal wave with particular initial conditions, such as leading elevation wave and leading
depression wave profiles with different wave periods. Two different initial wave amplitudes were employed to assess the diversity
in the distribution of the square of the Froude number Fr
2 along the coastline. The numerical results were compared quantitatively. |
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