The damage investigations that followed the Great East Japan Earthquake revealed that automobiles, shipping containers, and even ships themselves had been caught up in the resulting tsunami before being hurled into various port facilities, causing immense damage. The damage characteristics of such collisions must be an integral part of disaster mitigation measures aimed at reducing damage due to drifting ships. When considering the impact force of massive vessels on port facilities, it is necessary to take into account the changes in the drift velocity of the vessels due to waves reflected from the facilities and other coastal structures. In previous studies, the moving particle semi-implicit (MPS) method has been adopted to examine cascading tsunami flotsam damage by means of numerical simulations. In the present study, we use the MPS method to examine the drifting behavior and impact force of ships moored to an actual harbor, taking into account waves reflected from coastal area structures. Based on the results, we discuss the applicability of this method to disaster mitigation measures.
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ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
June 25–30, 2017
Trondheim, Norway
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5772-4
PROCEEDINGS PAPER
A Fundamental Research on Countermeasure of Disaster Mitigation and Impact Force to Cause Drifting Ship
Kazuki Murata,
Kazuki Murata
Nihon University, Funabashi, Japan
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Koichi Masuda,
Koichi Masuda
Nihon University, Funabashi, Japan
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Tomoki Ikoma,
Tomoki Ikoma
Nihon University, Funabashi, Japan
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Hiroaki Eto,
Hiroaki Eto
Nihon University, Funabashi, Japan
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Yasuhiro Aida,
Yasuhiro Aida
Port and Airport Research Institute, Yokosuka, Japan
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Akihiro Matsuoka
Akihiro Matsuoka
Nihon University, Funabashi, Japan
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Kazuki Murata
Nihon University, Funabashi, Japan
Koichi Masuda
Nihon University, Funabashi, Japan
Tomoki Ikoma
Nihon University, Funabashi, Japan
Hiroaki Eto
Nihon University, Funabashi, Japan
Yasuhiro Aida
Port and Airport Research Institute, Yokosuka, Japan
Akihiro Matsuoka
Nihon University, Funabashi, Japan
Paper No:
OMAE2017-62178, V006T05A026; 7 pages
Published Online:
September 25, 2017
Citation
Murata, K, Masuda, K, Ikoma, T, Eto, H, Aida, Y, & Matsuoka, A. "A Fundamental Research on Countermeasure of Disaster Mitigation and Impact Force to Cause Drifting Ship." Proceedings of the ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. Volume 6: Ocean Space Utilization. Trondheim, Norway. June 25–30, 2017. V006T05A026. ASME. https://doi.org/10.1115/OMAE2017-62178
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