Deep reinforcement transfer learning of active control for bluff body flows at high Reynolds number
We demonstrate how to accelerate the computationally taxing process of deep
reinforcement learning (DRL) in numerical simulations for active control of bluff body flows at …
reinforcement learning (DRL) in numerical simulations for active control of bluff body flows at …
Observation of axisymmetric standard magnetorotational instability in the laboratory
We report the first direct evidence for the axisymmetric standard magnetorotational instability
(SMRI) from a combined experimental and numerical study of a magnetized liquid-metal …
(SMRI) from a combined experimental and numerical study of a magnetized liquid-metal …
Mapping the properties of the vortex-induced vibrations of flexible cylinders in uniform oncoming flow
Flexible structures placed within an oncoming flow exhibit far more complex vortex-induced
dynamics than flexibly mounted rigid cylinders, because they involve the distributed …
dynamics than flexibly mounted rigid cylinders, because they involve the distributed …
A large-eddy simulation study on the similarity between free vibrations of a flexible cylinder and forced vibrations of a rigid cylinder
The strip theory in hydrodynamics has been widely used for predicting complex vortex
induced vibrations (VIV) behind bluff bodies, but the question of how accurate such …
induced vibrations (VIV) behind bluff bodies, but the question of how accurate such …
Bridging Large Eddy Simulation and Reduced Order Modeling of Convection-Dominated Flows through Spatial Filtering: Review and Perspectives
Reduced order models (ROMs) have achieved a lot of success in reducing the
computational cost of traditional numerical methods across many disciplines. For convection …
computational cost of traditional numerical methods across many disciplines. For convection …
Identification of a non-axisymmetric mode in laboratory experiments searching for standard magnetorotational instability
Y Wang, EP Gilson, F Ebrahimi, J Goodman… - Nature …, 2022 - nature.com
The standard magnetorotational instability (SMRI) is a promising mechanism for turbulence
and rapid accretion in astrophysical disks. It is a magnetohydrodynamic (MHD) instability …
and rapid accretion in astrophysical disks. It is a magnetohydrodynamic (MHD) instability …
An entropy viscosity method for large eddy simulation of turbulent thermal flow in a rotor–stator cavity
Turbulent flow and heat transfer in a rotor–stator cavity have fundamental importance in both
academia of turbulence research and the industry of rotating turbomachinery. The main …
academia of turbulence research and the industry of rotating turbomachinery. The main …
Experimental characterization of extreme events of inertial dissipation in a turbulent swirling flow
The three-dimensional incompressible Navier–Stokes equations, which describe the motion
of many fluids, are the cornerstones of many physical and engineering sciences. However, it …
of many fluids, are the cornerstones of many physical and engineering sciences. However, it …
Unicorn: Parallel adaptive finite element simulation of turbulent flow and fluid–structure interaction for deforming domains and complex geometry
We present a framework for adaptive finite element computation of turbulent flow and fluid–
structure interaction, with focus on general algorithms that allow for complex geometry and …
structure interaction, with focus on general algorithms that allow for complex geometry and …
Inferring vortex induced vibrations of flexible cylinders using physics-informed neural networks
We develop a robust computational framework to infer the motion of a flexible cylinder
undergoing vortex induced vibration. Given scattered data in space–time on displacement …
undergoing vortex induced vibration. Given scattered data in space–time on displacement …