PHYSICAL AND NUMERICAL MODELING FOR DRIFT OBJECTS DUE TO TSUNAMI INUNDATION IN COASTAL URBAN AREA

Yu Chida; Nobuhito Mori; Nobuki Fukui; Tomohiro Yasuda; Takashi Yamamoto; Andrew Kennedy; Zhongduo Zhang; Andrew Copp

doi:10.9753/icce.v36v.currents.13

No. 36v (2020), Swash, Nearshore Currents, and Long Waves

No. 36v (2020)

PHYSICAL AND NUMERICAL MODELING FOR DRIFT OBJECTS DUE TO TSUNAMI INUNDATION IN COASTAL URBAN AREA

Swash, Nearshore Currents, and Long Waves

Published 2020-12-28

Yu Chida
Nobuhito Mori
Nobuki Fukui
Tomohiro Yasuda
Takashi Yamamoto
Andrew Kennedy
Zhongduo Zhang
Andrew Copp

Yu Chida

Nobuhito Mori

Nobuki Fukui

Tomohiro Yasuda

Takashi Yamamoto

Andrew Kennedy

Zhongduo Zhang

Andrew Copp

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How to Cite

PHYSICAL AND NUMERICAL MODELING FOR DRIFT OBJECTS DUE TO TSUNAMI INUNDATION IN COASTAL URBAN AREA . (2020). Coastal Engineering Proceedings, 36v, currents.13. https://doi.org/10.9753/icce.v36v.currents.13

Abstract

Off the Pacific coast of Tohoku Earthquake and Tsunami, many ships, containers, cars, and wooden debris of collapsed houses were drifted by a huge tsunami. Their drift objects prevented the rapid elimination of obstacles and debris on land and sea. In addition, in areas where tsunami-fire occurred, accumulated wooden debris caused the large-scale fire spread. Generally, when assuming tsunami damages in urban areas, the inundation depth and arrival time of tsunami are mostly used. In order to enhance the tsunami damage assumptions in urban areas, to understand the characteristic of tsunami flow and the behavior of drift objects in urban areas is also important. However, it is very difficult to measure the state of actual tsunami flow and the behavior of drift objects by tsunami flow. This study aims to understand the characteristics of drift objects behavior in an urban area through a series of experiments in a laboratory flume. This study also validates numerical simulation model by comparing with the experimental results.

Recorded Presentation from the vICCE (YouTube Link): https://youtu.be/09KWpiVSbmU

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References

Prasetyo at el. (2019) Physical modeling and numerical analysis of tsunami inundation in a coastal city, Frontiers in Built Environment, 5:46.

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PHYSICAL AND NUMERICAL MODELING FOR DRIFT OBJECTS DUE TO TSUNAMI INUNDATION IN COASTAL URBAN AREA

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