39th CFD Symposium
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地域環境と防災３．CFDの展開：各種分野における応用による新たな知見や課題の抽出 : OS.3-4：地域環境と防災（都市・建築，海岸・河川・湖沼，防災など）

OS.3-4：地域環境と防災（都市・建築，海岸・河川・湖沼，防災など）

Tue. Dec 16, 2025 1:00 PM - 2:40 PM JST
Tue. Dec 16, 2025 4:00 AM - 5:40 AM UTC
Room E: Conference Room 32(3rd Floor)
Chair:Hidekazu Shirai
1:00 PM - 1:20 PM JST(4:00 AM - 4:20 AM UTC)

[OS3-4-2-01]Numerical Simulation of Local Scouring Downstream of Fixed Bed Considering the Effect of Pressure Gradient

*Kenta Murasako1, Shinichiro Onda1 (1. Kyoto Univ)
1:20 PM - 1:40 PM JST(4:20 AM - 4:40 AM UTC)

[OS3-4-2-02]A COMPARATIVE ANALYSIS OF RESISTANCE LAWS IN THE ONE-DIMENSIONAL DEBRIS FLOW SIMULATIONS

Mirei SHIGE-EDA1, *Yutaka SOGO1 (1. Kyushu Institute of Technology)
1:40 PM - 2:00 PM JST(4:40 AM - 5:00 AM UTC)

[OS3-4-2-03]Computation of local scouring around a cylindrical pier using a generalized curvilinear coordinate system

*Koji Kasashima1, Shinichiro Onda1 (1. Kyoto University)
2:00 PM - 2:20 PM JST(5:00 AM - 5:20 AM UTC)

[OS3-4-2-04]Fundamental study on sediment and driftwood behavior in sand traps and disaster mitigation effects

*Mikako Ishikura1, Ichiro Kimura1, Norio Harada2 (1. University of Toyama, 2. Mitsui Consultants Co. Ltd.)
2:20 PM - 2:40 PM JST(5:20 AM - 5:40 AM UTC)

[OS3-4-2-05]Assessment of drowning risk in water-fall by using a coupled human-flow simulation.

*Ren Oshima1, Takashi Nakamura1 (1. Institute of Science Tokyo)
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