Dynamic Mode Decomposition With Gaussian Process Regression for Control of High-Dimensional Nonlinear Systems

A Tsolovikos, E Bakolas… - Journal of …, 2024 - asmedigitalcollection.asme.org
In this work, we consider the problem of learning a reduced-order model of a high-
dimensional stochastic nonlinear system with control inputs from noisy data. In particular, we …

Generation of Hairpin Vortices Using a Hybrid Physio-Cyber Data Assimilation Approach

A Jariwala, J Wylie, A Tsolovikos… - AIAA SCITECH 2024 …, 2024 - arc.aiaa.org
Turbulent boundary layers are largely influenced by spatiotemporally develo** coherent
structures known as Large-Scale Motions (LSMs). This work examines the idea of creating …

Numerical investigation of optical distortions by turbulent wake and shock wave in the transonic flow

XT Tan, HY Xu, K Yin - Physics of Fluids, 2024 - pubs.aip.org
Large eddy simulation with the explicit fifth-order weighted compact nonlinear schemes is
performed to investigate the aero-optical distortion caused by a transonic flow over a …

Model Predictive Control of Large-Scale Motions for Separated Flow Over an Airfoil

A Jariwala, A Burtsev, S Suryanarayanan… - AIAA SCITECH 2025 …, 2025 - arc.aiaa.org
Turbulent boundary layers (TBLs) are dominated by large-scale motions (LSMs) of
streamwise momentum surplus and deficits. These LSMs carry a significant portion of …

Online Feedback Flow Control for Finite Wings

A Burtsev, A Jariwala, E Bakolas… - AIAA SCITECH 2025 …, 2025 - arc.aiaa.org
We conduct numerical flow control studies on a NACA4412 wing. Direct numerical
simulation of laminar separated flows is conducted in the Nek5000 spectral element code …

Data-Driven Flow Control for Finite Wings at Low Reynolds Numbers

A Burtsev, A Jariwala, E Bakolas… - AIAA AVIATION FORUM …, 2024 - arc.aiaa.org
Numerical flow control studies are conducted on a NACA 0015 airfoil and finite wing of
aspect ratio 4 at a chord based Reynolds number of 200 and high angles of attack. Direct …

[PDF][PDF] SYNTHETIC JET ACTUATION FOR BOUNDARY LAYER RE-ENERGIZATION AND PHYSIO-CYBER SIMULATIONS

JDB Wylie, A Jariwala, A Burtsev, S Suryanarayanan… - tsfp-conference.org
Separated flows exist in several relevant external flow scenarios: wind turbine blades,
stalled airfoils, compressor blades, etc. The control of these flows leads to improved …