Basic Information

Faculty

• Faculty of Engineering

Email Address

• Email Address

  tazaki.takumi.2vkyoto-u.ac.jp

Professional Memberships

• 土木学会

Academic Degree

• 23 Mar. 2021

  京都大学修士（工学）
• 23 Mar. 2023

  京都大学博士（工学）

Academic Resume (Undergraduate School/Majors)

• 京都大学, 工学部地球工学科, 卒業

Research History

• From Oct. 2023, To Present

  京都大学大学院工学研究科, 社会基盤工学専攻, 助教
• From Apr. 2023, To Sep. 2023

  日本学術振興会特別研究員PD
• From Apr. 2022, To Mar. 2023

  日本学術振興会特別研究員DC
• From Oct. 2021, To Mar. 2022

  京都大学教育支援機構 プログラム員

ID,URL

• ORCID ID

  0009-0003-1766-8402

• J-Global ID

  202301010389787748

• Researcher number

  50991501

researchmap URL

• https://researchmap.jp/t-tazaki

Research

Research Topics, Overview of the research

• Research Topics

  sediment transport mechanisms in coastal zones

• Overview of the research

  I investigate the sediment transport processes under breaking waves and ripple formation processes in coastal regions mainly using numerical simulation with a Lagrange particle-fluid coupled model.

Research Interests

• multi-phase flow
• computational fluid dynamics
• coastal engineering
• fluvial hydrodynamics

Papers

• SIMULATIONS OF IMMATURE DEBRIS FLOW BY LAGRANGE-LAGRANGE MODEL WITH NON-SPHERICAL PARTICLES

  Takumi TAZAKI; Eiji HARADA; Hitoshi GOTOH

  Japanese Journal of JSCE, Feb. 2025, Peer-reviewed, Lead author, Corresponding author

  
• SEDIMENT TRANSPORT BY WAVE PLUNGING INDUCED VORTICES INVESTIGATED FROM DEM-MPS SIMULATION

  Takumi TAZAKI; Eiji HARADA; Hitoshi GOTOH

  Japanese Journal of JSCE, Nov. 2024, Peer-reviewed, Lead author, Corresponding author

  
• Coherent turbulent flow structure under plunging breaker on movable grain bed simulated by 3D DEM-MPS method

  Takumi Tazaki; Eiji Harada; Hitoshi Gotoh

  Coastal Engineering Journal, 17 Oct. 2024, Peer-reviewed, Lead author, Corresponding author

  
• Dynamics of bedload transport under run-up wave by gravel resolved scheme based on 3D DEM-MPS coupling

  Takumi Tazaki; Eiji Harada; Hitoshi Gotoh

  Advances in Water Resources, Nov. 2024, Peer-reviewed, Lead author, Corresponding author

  
• Investigation of turbulent flow induced by particle sedimentation using RIM-PIV

  Eiji Harada; Takumi Tazaki; Hitoshi Gotoh

  Journal of Hydro-environment Research, May 2024, Peer-reviewed

  
• COMPUTATIONAL MECHANICS OF RIPPLE FORMATION PROCESS DURING SINGLE SWASH EVENT USING 3D DEM-MPS COUPLED SCHEME

  Takumi TAZAKI; Eiji HARADA; Hitoshi GOTOH; Ryota SHIBA

  Japanese Journal of JSCE, Nov. 2023, Peer-reviewed, Lead author, Corresponding author

  
• Grain-scale investigation of swash zone sediment transport on a gravel beach using DEM-MPS coupled scheme

  Takumi Tazaki; Eiji Harada; Hitoshi Gotoh

  Coastal Engineering Journal, 03 Apr. 2023, Peer-reviewed, Lead author, Corresponding author

  Access this paper :

  
• Numerical investigation of sediment transport mechanism under breaking waves by DEM-MPS coupling scheme

  Takumi Tazaki; Eiji Harada; Hitoshi Gotoh

  Coastal Engineering, Aug. 2022, Peer-reviewed, Lead author, Corresponding author

  
• COMPUTAIONAL MECHANICS OF SWASH ZONE SEDIMENT TRANSPORT USING VOLUME-CONSERVED DEM-MPS COUPLED SCHEME

  Takumi TAZAKI; Eiji HARADA; Hitosh GOTOH

  Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering), 2022, Peer-reviewed, Lead author, Corresponding author

  
• Numerical simulation for coastal morphodynamics using DEM-MPS method

  Eiji Harada; Hiroyuki Ikari; Takumi Tazaki; Hitoshi Gotoh

  Applied Ocean Research, Dec. 2021, Peer-reviewed

  
• Vertical sorting process in oscillating water tank using DEM-MPS coupling model

  Takumi Tazaki; Eiji Harada; Hitoshi Gotoh

  Coastal Engineering, Apr. 2021, Peer-reviewed, Lead author, Corresponding author

  Access this paper :

  
• Numerical investigation of ripple in oscillating water tank by DEM-MPS coupled solid–liquid two-phase flow model

  Eiji Harada; Takumi Tazaki; Hitoshi Gotoh

  Journal of Hydro-environment Research, Oct. 2020, Peer-reviewed

  
• NUMERICAL INVESTIGATION FOR INITIAL DEVELOPING PROCESS OF RIPPLES USING 3D DEM-MPS

  Takumi TAZAKI; Eiji HARADA; Hitosh GOTOH; Makoto KAWANO

  Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering), 2020, Peer-reviewed

  

Presentations

• DEM-MPS法を用いた前浜における礫輸送機構の検討

  田﨑拓海; 原田英治; 後藤仁志

  第31回海洋工学シンポジウム, 18 Mar. 2025, Invited

  
• Lagrange型固液混相流モデルによる非球形粒子群の掃流状集合流動シミュレーション

  田﨑拓海; 原田英治; 後藤仁志

  第69回水工学講演会, 03 Dec. 2024

  
• 砕波に伴う縦渦列が誘起する漂砂機構のDEM-MPS法による検討

  田﨑拓海; 原田英治; 後藤仁志

  第71回海岸工学講演会, 06 Nov. 2024

  
• 粒子法型固液混相流モデルを用いた大規模三次元解析による波打ち帯砂漣形成機構の解明

  田﨑拓海

  第16回 JHPCNシンポジウム, 11 Jul. 2024

  
• 3D-DEM-MPS法による孤立遡上波下の砂漣形成機構の検討

  田﨑拓海; 原田英治; 後藤仁志; 芝遼太

  第70回海岸工学講演会, Nov. 2023

  
• Grain resolved simulation of gravel transport process under solitary run-up wave using 3D DEM-MPS coupled scheme

  Takumi TAZAKI; Eiji HARADA; Hitoshi GOTOH

  APAC 2023, Nov. 2023

  
• 埋め込み境界法型DEM-MPSによる粒子群非定常沈降過 程の内部構造の検討

  田﨑拓海; 原田英治; 後藤仁志

  第70回海岸工学講演会, Nov. 2023

  
• ripple表層移動境界の計算力学的検討

  原田英治; 田﨑拓海; 後藤仁志

  第69回海岸工学講演会, Nov. 2022

  
• 体積保存型のDEM-MPS法による遡上波解析に基づく前浜の漂砂機構の計算力学

  田﨑拓海; 原田英治; 後藤仁志

  第69回海岸工学講演会, Nov. 2022

  
• 振動流下における二粒径混合粒子のripple形成機構の検討

  原田英治; 田﨑拓海; 後藤仁志; 武田真明

  第68回海岸工学講演会, Nov. 2021

  
• 移動床表層の間隙流がripple形成に及ぼす影響

  原田英治; 田﨑拓海; 後藤仁志; 藤澤大雅

  第68回海岸工学講演会, Nov. 2021

  
• 3次元DEM-MPS法による砕波帯底質輸送機構の計算力学的検討

  田﨑拓海; 原田英治; 後藤仁志

  第68回海岸工学講演会, Nov. 2021

  
• 3次元DEM-MPS法による初期ripple形成過程の計算力学的検討

  原田英治; 田﨑拓海; 後藤仁志; 河野眞

  第67回海岸工学講演会, Nov. 2020

  
• 振動水槽内ripple形成過程の計算力学的検討

  原田英治; 田﨑拓海; 後藤仁志

  第66回海岸工学講演会, Nov. 2019

  

Awards

• 06 Nov. 2024

  C?oastal Engineering Journal Award of 2023
• 17 Nov. 2023

  土木学会海岸工学委員会, 令和5年度海岸工学論文奨励賞

  3D-DEM-MPS法による孤立遡上波下の砂漣形成機構の検討, Japan, Japan society

  田﨑拓海
• 07 Jul. 2021

  令和3年度工学研究科馬詰研究奨励賞（京都大学）

External funds: Kakenhi

• 浅海域の漂砂における海浜間隙水挙動の影響解明に向けた計算力学的研究

  Grant-in-Aid for Early-Career Scientists

  Basic Section 22040:Hydroengineering-related

  Kyoto University

  田崎 拓海

  From 01 Apr. 2024, To 31 Mar. 2027, Granted

  漂砂;砕波帯;間隙水;計算力学

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K17355/
• Investigation for morphodynamics of the movable bed surface based on turbulent flow measurement

  Grant-in-Aid for Scientific Research (B)

  Basic Section 22040:Hydroengineering-related

  Kyoto University

  原田 英治

  From 01 Apr. 2022, To 31 Mar. 2025, Granted

  移動床;間隙流;乱流;PIV;微地形;ripple

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K22869/

Education

Teaching subject(s)

• From 01 Apr. 2024, To 31 Mar. 2025

  Hydraulics I and Exercises

  3291, Fall, Faculty of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Hydraulics, Laboratory

  3087, Fall, Faculty of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Experiments on Hydraulics

  3294, Fall, Faculty of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Experiments on Hydraulics

  3543, Fall, Faculty of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Experiments on Hydraulics

  3523, Fall, Faculty of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Free Surface Flow Dynamics

  F272, Spring, Graduate School of Engineering, 2
• From 01 Apr. 2024, To 31 Mar. 2025

  Multiphase Flow Dynamics

  F271, Fall, Graduate School of Engineering, 2