3 papers
physics.flu-dyn2026
Relative velocity between a particle and turbulence
Yutaro Motoori, Daiki Watanabe, Susumu Goto
The relative velocity between a particle and the surrounding fluid is a key quantity that determines the various phenomena of particle-laden turbulence, such as particle clustering…
physics.flu-dyn2026
Optimization of fluid mixing by reinforcement learning using limit cycles of a dynamical system
Masaki Shimizu, Daiki Watanabe, Takumi Aoyagi +1
We propose a method to overcome the difficulties encountered when applying reinforcement learning to fluid mixing processes. The proposed method has two main features: (i) it does…
physics.flu-dyn2026
Multifractal sets of coherent and incoherent vortices in turbulence
Susumu Goto, Daiki Watanabe, Tsuyoshi Yoneda
We numerically verify multifractal theory (Frisch and Parisi 1985) for turbulence using simulation data at a high Reynolds number. First, we propose a simple method to directly est…