JDR Vol.4 No.6 pp. 441-449
doi: 10.20965/jdr.2009.p0441


Collision Analysis of Container Drifted by Runup Tsunami Using Drift Collision Coupled Model

Gyeong-Seon Yeom*, Tomoaki Nakamura**, and Norimi Mizutani**

*Tsunami Research Center, Port and Airport Research Institute Nagase, Yokosuka, Kanagawa 239-0826, Japan

** Department of Civil Engineering, Nagoya University Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

June 23, 2009
August 25, 2009
December 1, 2009
tsunami, drifted container, collision force, IB Method, LS-DYNA
This study proposes analyzing tsunami generation and propagation of tsunamis, wave runup onto land, object drift, collision with other structures, deformation prediction of colliding and collided-with, and collision force estimation. To reduce calculation load in using the LS-DYNA collision model, we use a drift model using the immersed boundary (IB) method from wave generation to just before collision, and the collision model is used during the collision phase, in which numerical data calculated using the drift model are used as an initial condition of the collision model. Validity of the drift model for wave level, wave force, and drift behavior of a container were verified through comparison with experimental data measured in laboratory experiments. Collision model predictability was also confirmed in terms of drift collision force. Fluid-structure interaction (FSI) between the container and the runup wave is reproduced in numerical drift collision analysis. Through this analysis of a full-scale container based on the international standard with a concrete column, we confirmed the applicability of the collision analysis using the drift simulation as an initial condition for an actual field.
Cite this article as:
G. Yeom, T. Nakamura, and N. Mizutani, “Collision Analysis of Container Drifted by Runup Tsunami Using Drift Collision Coupled Model,” J. Disaster Res., Vol.4 No.6, pp. 441-449, 2009.
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