Keio University

Published papers

Fukagata, Koji

1-20 items (total 171)

Machine-learning-based defiltering for particle tracking in curved turbulent channel flow

Author
T. Oura and K. Fukagata
Publication Title
Magazine name AIP Adv. Start Page 045219 (Publication Date)2026/04)
Role
Last Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Machine-learning based flow field estimation using floating sensor locations

Author
T. Oura, R. Miura and K. Fukagata
Publication Title
Magazine name Fluid Dyn. Res. Start Page 025502 (Publication Date)2026/04)
Role
Last Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
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With

Dissimilar control in a turbulent plane Couette flow by streamwise traveling wave

Author
Y. Nabae, H. Gotoda, and K. Fukagata
Publication Title
Magazine name Int. J. Heat Mass Transfer Start Page 128543 (Publication Date)2026/06)
Role
Last Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Compressing fluid flows with nonlinear machine learning: mode decomposition, latent modeling, and flow control

Author
K. Fukagata and K. Fukami
Publication Title
Magazine name Fluid Dyn. Res. Volume 57(Issue 4) Start Page 041401 (Publication Date)2025/07)
Role
First Author Corresponding Author
Authorship Category
Joint Work
Peer-review Status
With

Drag reduction effect by streamwise traveling wave-like wall-surface heating/cooling in a turbulent channel flow

Author
Y. Nabae, H. Mamori, and K. Fukagata
Publication Title
Magazine name J. Therm. Sci. Technol. Volume 20(Issue 2) Start Page 25-00225 (Publication Date)2025/10)
Role
Last Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
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With

Reinforcement learning with symmetry reduction for rotating cylinder wakes: finding unstable low-drag fixed points

Author
H. Omichi, A. J. Linot, K. Fukagata, and K. Taira
Publication Title
Magazine name AIAA Paper Start Page AIAA 2025-1299 (Publication Date)2025/01)
Authorship Category
Joint Work
Publication Category
Research paper (international conference proceedings)
Peer-review Status
With

Direct numerical simulation of a bump-installed turbulent channel flow for drag reduction by blowing and suction

Author
Y. Okochi, Y. Nabae, and K. Fukagata
Publication Title
Magazine name J. Fluid Mech. Start Page A69 (Publication Date)2025/05)
Role
Last Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
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With

Implementation of spectral methods on Ising machines: toward flow simulations on quantum annealers

Author
K. Takagi, N. Moriya, S. Aoki, K. Endo, M. Muramatsu, and K. Fukagata
Publication Title
Magazine name Fluid Dyn. Res. Start Page 061401 (Publication Date)2024/11)
Role
Last Author Corresponding Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Large-eddy simulation of high-Reynolds-number turbulent channel flow controlled using streamwise traveling wave-like wall deformation for drag reduction

Author
Y. Nabae, K. Inagaki, H. Kobayashi, H. Gotoda, and K. Fukagata
Publication Title
Magazine name J. Fluid Mech. Start Page A2 (Publication Date)2025/01)
Role
Last Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Defiltering turbulent flow fields for Lagrangian particle tracking using machine learning techniques

Author
T. Oura and K. Fukagata
Publication Title
Magazine name Phys. Fluids Start Page 113366 (Publication Date)2024/11)
Role
Last Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
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With

Flow control by a hybrid use of machine learning and control theory

Author
T. Ishize, H. Omichi, and K. Fukagata
Publication Title
Magazine name Int. J. Numer. Meth. Heat Fluid Flow Volume 34(Issue 8) Start Page 3253 - End Page 3277 (Publication Date)2024/08)
Role
Last Author Corresponding Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Reconstructing three-dimensional bluff body wake from sectional flow fields with convolutional neural networks

Author
M. Matsuo, K. Fukami, T. Nakamura, M. Morimoto, K. Fukagata
Publication Title
Magazine name SN Comput. Sci. Start Page 306 (Publication Date)2024/03)
Role
Last Author Corresponding Author
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Theoretical and numerical analyses of turbulent plane Couette flow controlled using uniform blowing and suction

Author
Y. Nabae, K. Fukagata
Publication Title
Magazine name Int. J. Heat Fluid Flow Start Page 109286 (Publication Date)2024/01)
Role
Last Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Super-resolution analysis via machine learning: A survey for fluid flows

Author
K. Fukami, K. Fukagata, and K. Taira
Publication Title
Magazine name Theor. Comput. Fluid Dyn. Start Page 421 - End Page 444 (Publication Date)2023/06)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

A new perspective on skin-friction contributions in adverse-pressure-gradient turbulent boundary layers

Author
M. Atzori, F. Mallor, R. Pozuelo, K. Fukagata, R. Vinuesa, and P. Schlatter
Publication Title
Magazine name Int. J. Heat Fluid Flow Start Page 109117 (Publication Date)2023/02)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Assessments of epistemic uncertainty using Gaussian stochastic weight averaging for fluid-flow regression

Author
M. Morimoto, K. Fukami, R. Maulik, R. Vinuesa, and K. Fukagata
Publication Title
Magazine name Physica D Start Page 133454 (Publication Date)2022/07)
Role
Last Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Drag reduction effect of streamwise traveling wave-like wall deformation with spanwise displacement variation in turbulent channel flow

Author
Y. Nabae and K. Fukagata
Publication Title
Magazine name Flow Turbul. Combust. Start Page 1175 - End Page 1194 (Publication Date)2022/06)
Role
Last Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

A sharp interface direct-forcing immersed boundary method using the moving least square approximation

Author
M. Badri Ghomizad, H. Kor, and K. Fukagata
Publication Title
Magazine name J. Fluid Sci. Technol. Volume 16(Issue 2) Start Page JFST0013 (Publication Date)2021/04)
Role
Last Author Corresponding Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Adjoint-based sensitivity analysis for airfoil flow control aiming at lift-to-drag ratio improvement

Author
M. Ohashi, K. Fukagata, and N. Tokugawa
Publication Title
Magazine name AIAA J. Start Page 4437 - End Page 4448 (Publication Date)2021/04)
Role
Corresponding Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

A structured adaptive mesh refinement strategy with a sharp interface direct-forcing immersed boundary method for moving boundary problems

Author
M. Badri Ghomizad, H. Kor, and K. Fukagata
Publication Title
Magazine name J. Fluid Sci. Technol. Volume 16(Issue 2) Start Page JFST0014 (Publication Date)2021/06)
Role
Last Author Corresponding Author
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With