All Stories

  1. Reinforcement Learning With Symmetry Reduction for Rotating Cylinder Wakes: Finding Unstable Low-Drag Fixed Points

    Article • January 2025, American Institute of Aeronautics and Astronautics (AIAA)

    Koji Fukagata

  2. Drag Reduction by Uniform Blowing on the Pressure Surface of an Airfoil

    Article • AIAA Journal, November 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Koji Fukagata

  3. Experimental velocity data estimation for imperfect particle images using machine learning

    Article • Physics of Fluids, August 2021, American Institute of Physics

    Koji Fukagata

  4. Adjoint-Based Sensitivity Analysis for Airfoil Flow Control Aiming at Lift-to-Drag Ratio Improvement

    Article • AIAA Journal, April 2021, American Institute of Aeronautics and Astronautics (AIAA)

    Koji Fukagata

  5. Convolutional neural network and long short-term memory based reduced order surrogate for minimal turbulent channel flow

    Article • Physics of Fluids, February 2021, American Institute of Physics

    Koji Fukagata

  6. Turbulent Friction Drag Reduction on Clark-Y Airfoil by Passive Uniform Blowing

    Article • AIAA Journal, September 2020, American Institute of Aeronautics and Astronautics (AIAA)

    Koji Fukagata

  7. Convolutional neural network based hierarchical autoencoder for nonlinear mode decomposition of fluid field data

    Article • Physics of Fluids, September 2020, American Institute of Physics

    Koji Fukagata

  8. Assessment of Friction Drag Reduction on a Clark-Y Airfoil by Uniform Blowing

    Article • AIAA Journal, March 2019, American Institute of Aeronautics and Astronautics (AIAA)

    Koji Fukagata

  9. Numerical simulation of parallel-plate particle separator for estimation of charge distribution of PM2.5

    Article • Aerosol Science and Technology, January 2019, Taylor & Francis

    Koji Fukagata

  10. Near-surface electron transport and its influence on the discharge structure of nanosecond-pulsed dielectric-barrier-discharge under different electrode polarities

    Article • Physics of Plasmas, January 2019, American Institute of Physics

    Koji Fukagata

  11. Assessment of suboptimal control via resolvent analysis

    Article • Journal of Fluid Mechanics, September 2017, Cambridge University Press

    Koji Fukagata