Papers - OKAYASU Akio

OPTIMIZATION OF CROWD BEHAVIORS IN A TSUNAMI EVACUATION MODEL, AND ITS APPLICATIONS TO EXPECTED EVACUATION SITUATIONS

SUZUKI Shotaro, OKAYASU Akio, UNO Yoshiyuki, INAZU Daisuke, IKEYA Tsuyoshi , 2018

Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)

DOI

DEVELOPMENT OF EVACUATION ROUTE AND SHELTER ALLOCATION TOOL CONSIDERING INUNDATION OF TSUNAMI

KITAMURA Fukutaro, INAZU Daisuke, IKEYA Tsuyoshi, OKAYASU Akio , 2018

Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)

DOI

INFLUENCE OF BRIDGE PIERS ON TSUNAMI FORCE ACTING ON BRIDGE UPPER STRUCTURES

IKEYA Tsuyoshi, OTSUKA Takahiro, INAZU Daisuke, OKAYASU Akio , 2018

Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)

DOI

Computational wave dynamics for innovative design of coastal structures

Hitoshi GOTOH, Akio OKAYASU , 2017.10

Proceedings of the Japan Academy, Series B

Effect of Time History of Velocity on Instantaneous Sediment Transport in the Swash Zone

Lianhui Wu, Dejun Feng, and Akio Okayasu , 2017.05

Coastal Dynamics 2017

VERTICAL MIXING IN STRATIFIED FLOW OVER ARTIFICIAL MOUND REEF

武田 真典, 長谷川 巌, 小畠 大典, 本田 陽一, 岡安 章夫, 渡邉 浩二, 西部 博秀, 藪木 昭彦 , 2017.04

土木学会論文集B3

DOI

Laboratory Measurements of Sediment Flux and Bed Level Evolution in the Swash Zone

Lianhui WU, Dejun FENG, Takenori SHIMOZONO and Akio OKAYASU , 2016.08

Coastal Engineering Journal

DOI

SELECTION OF TSUNAMI COUNTERMEASURE ON REGION BY CROWD EVACUATION SIMULATION

宇野 喜之, 鴫原 康子, 岡安 章夫 , 2016.04

土木学会論文集B2

DOI

EVALUATION OF VERTICAL MIXING DUE TO AN ARTIFICIAL SEAMOUND

提箸 真弘, 岡安 章夫, 本田 陽一, 宇野 喜之 , 2016.04

土木学会論文集B2

DOI

Laboratory Measurement of Sediment Transport under Dam-Break Waves Based on Image Analysis

Lianhui Wu, Dejun Feng, Akio Okayasu, Takenori Shimozono , 2015.10

Coastal Sediments 2015

津波人的被災リスク評価のための群集避難シミュレーションの開発

宇野　喜之・鴫原　康子・岡安　章夫 , 2015.04

土木学会論文集 B2

DOI

Mixing and sediment resuspension associated with internal bores in a shallow bay

Masunaga, E., Homma, H., Yamazaki, H., Fringer, O.B., Nagai, T., Kitade, Y., Okayasu, A. , 2015.04

Continental Shelf Research

DOI

Short Wave Amplification and Extreme Runup by the 2011 Tohoku Tsunami

Takenori Shimozono, Haiyang Cui, Julie D. Pietrzak, Hermann M. Fritz, Akio Okayasu, Andrew J. Hooper , 2014.08

Pure and Applied Geophysics

DOI

Detailed Measurements of Boundary Layer Flow under Swash with High-resolution PIV

Dejun FENG, Lianhui WU, Takenori SHIMOZONO, Akio OKAYASU , 2014.08

Journal of Japan Society of Civil Engineers, Ser. B2

DOI

Sediment Flux Measurement at High Concentration Based on Image Analysis with Combined Illumination

Lianhui WU, Dejun FENG, Takenori SHIMOZONO, Akio OKAYASU , 2014.08

Journal of Japan Society of Civil Engineers, Ser. B2

DOI

Delayed Survey of the 2011 Tohoku Tsunami in the Former Exclusion Zone in Minami-Soma, Fukushima Prefecture

Shinji Sato, Akio Okayasu, Harry Yeh, Hermann M. Fritz, Yoshimitsu Tajima, Takenori Shimozono , 2014.08

Pure and Applied Geophysics

DOI

Large Eddy Simulation of Wave Breaking with Momentum-Advected Scheme for Uni-Phase Bubbly Flow

Yuriko Matsubayashi and Akio Okayasu , 2014.05

Proc. 34th International Conference on Coastal Engineering

DOI

Severe erosion of sandbar at Unosumai river mouth, Iwate, due to 2011 Tohoku tsunami

A. Okayasu, T. Shimozono, H. Yamazaki, T. Nagai, and S. Sato , 2013.09

Coastal Dynamics 2013

海底設置型海藻流入防止構造物に関する実験的研究

古牧大樹・島谷 学・下園武範・岡安章夫 , 2013.09

土木学会論文集 B3

高濃度底質フラックスの画像計測法とその拡張について

下園武範・眞覚康栄・岡安章夫 , 2013.09

土木学会論文集 B2