Paper:
Numerical Simulation of Tsunami Inundation in Urban Areas
Tetsuya Hiraishi* and Tomohiro Yasuda**
*Wave Division, Marine Environment and Engineering Department, Port and Airport Research Instutute, 3-1-1 Nagase, Yokosuka, Kanagawa 239-0826, Japan
**Disaster Prevention Research Institute, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
The population and property in urban areas facing waterfronts is rapidly increasing together with the probability that a huge tsunami will occur on the Pacific Rim. The huge potential damage reflects the need to develop a highly accurate simulation model for tsunami inundation to help mitigate tsunami effects. We developed a simulation model to estimate the inundation depth and speed of tsunamis in urban areas. The model was applied to calculate the vari- ation of inundation areas in a model city facing Tokyo Bay. Experiments of tsunami inundation in the model city on a 1/50 scale was carried out for validation of the numerical model.
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