Abstract
In Tohoku-Pacific Ocean Earthquake, it is observed that drifting objects collided with buildings and other high-rise structures and are one of the main factors for the expansion of damages caused by the tsunami. The prediction of damages of buildings and civil engineering structures occurred due to the tsunami drifting objects requires to incorporate not only the depth of flooding but also the influence of drifting objects. In this study, the collision forces by multiple tsunami drifting objects are obtained by hydraulic model experiments and numerical simulations. The characteristics of collision of drifting objects of different sizes and shapes are considered. The two-dimensional shallow water model and the tsunami drift model which is based on the DEM (Distinct Element Method) are used to calculate the tsunami wave force and the impact force of a drifting object.
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Sakuraba, M., Nojima, K., Takase, S. (2020). Numerical Study on Behavior of Multiple Tsunami Drifting Object. In: Trung Viet, N., Xiping, D., Thanh Tung, T. (eds) APAC 2019. APAC 2019. Springer, Singapore. https://doi.org/10.1007/978-981-15-0291-0_37
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DOI: https://doi.org/10.1007/978-981-15-0291-0_37
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