Machine-learning-augmented predictive modeling of turbulent separated flows over airfoils

AP Singh, S Medida, K Duraisamy - AIAA journal, 2017 - arc.aiaa.org
A modeling paradigm is developed to augment predictive models of turbulence by effectively
using limited data generated from physical experiments. The key components of the current …

Numerical study of turbulent separation bubbles with varying pressure gradient and Reynolds number

GN Coleman, CL Rumsey, PR Spalart - Journal of Fluid Mechanics, 2018 - cambridge.org
A family of cases each containing a small separation bubble is treated by direct numerical
simulation (DNS), varying two parameters: the severity of the pressure gradients, generated …

Development of a generalizable data-driven turbulence model: Conditioned field inversion and symbolic regression

C Wu, S Zhang, Y Zhang - AIAA Journal, 2024 - arc.aiaa.org
This paper addresses the issue of predicting separated flows with Reynolds-averaged
Navier–Stokes (RANS) turbulence models, which are essential for many engineering tasks …

Flow-separation control using sweeping jet actuator

K Kara, D Kim, PJ Morris - AIAA journal, 2018 - arc.aiaa.org
IMPROVED aerodynamic designs and new aerodynamic technologies will play a vital role in
improving the nextgeneration aircraft's performance and contribute strongly to the product …

Experimental characterization of smooth body flow separation over wall-mounted Gaussian bump

PD Gray, I Gluzman, FO Thomas, TC Corke - AIAA Scitech 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-1209. vid This study was motivated
by the need for a benchmark data set for the characterization of smooth body separation …

A data assimilation model for turbulent flows using continuous adjoint formulation

C He, Y Liu, L Gan - Physics of fluids, 2018 - pubs.aip.org
A generalized data assimilation model for turbulent flows using the continuous adjoint
formulation is proposed. Within this formulation, the Spalart–Allmaras turbulence model is …

Numerical analysis of energy expenditure for coflow wall jet separation control

K Xu, Y Ren, G Zha - AIAA journal, 2022 - arc.aiaa.org
This paper numerically investigates the energy expenditure of the coflow wall jet for
separation control by analyzing the widely studied NASA hump with two-dimensional …

[图书][B] Fundamentals and applications of modern flow control

RD Joslin, DN Miller - 2009 - arc.aiaa.org
Flow control technologies have been used in the past century to control fluid flows. This text
presents the current state of the art in emerging modern flow control technologies and …

A new validation experiment for smooth-body separation

PD Gray, I Gluzman, F Thomas, T Corke… - AIAA Aviation 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-2810. vid An experimental test
campaign to characterize a Gaussian-shaped bump model for CFD validation of smooth …

Benchmark characterization of separated flow over smooth Gaussian bump

PD Gray, I Gluzman, FO Thomas, TC Corke… - AIAA Aviation 2022 …, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-3342. vid The experimental
progress in characterizing the flow separation downstream of the Boeing bump model is …