Aerodynamic design optimization: Challenges and perspectives

JRRA Martins - Computers & Fluids, 2022 - Elsevier
Antony Jameson pioneered CFD-based aerodynamic design optimization in the late 1980s.
In addition to developing the fundamental theory, Jameson implemented that theory in …

Complex standard eigenvalue problem derivative computation for laminar–turbulent transition prediction

Y Shi, C Song, Y Chen, H Rao, T Yang - AIAA Journal, 2023 - arc.aiaa.org
As a high-fidelity approach to transition prediction, the coupled Reynolds-averaged Navier–
Stokes (RANS) and linear stability theory (LST)-based e N method is widely used in …

Adjoint-based robust optimization design of laminar flow airfoil under flight condition uncertainties

Y Chen, H Rao, N Xiong, J Fan, Y Shi… - Aerospace Science and …, 2023 - Elsevier
Due to the high sensitivity of laminar wings to uncertain factors, although there have been a
lot of engineering application attempts, so far laminar flow technology has not been …

A deep reinforcement learning optimization framework for supercritical airfoil aerodynamic shape design

Z Liu, M Zhang, D Sun, L Li, G Chen - Structural and Multidisciplinary …, 2024 - Springer
In the context of traditional aerodynamic shape optimization design methods, the necessity
to re-execute the complete optimization process when the initial shape changes poses …

Transition mechanisms in a boundary layer controlled by rotating wall-normal cylindrical roughness elements

Y Wu, T Römer, G Axtmann, U Rist - Journal of Fluid Mechanics, 2022 - cambridge.org
The transition to turbulence induced by counter-rotating wall-normal rotating cylindrical
roughness pairs immersed within a laminar boundary layer on a flat plate is investigated …

Stochastic investigation on the robustness of laminar-flow wings for flight tests

T Yang, Y Chen, Y Shi, J Hua, F Qin, J Bai - AIAA Journal, 2022 - arc.aiaa.org
Natural laminar-flow (NLF) wings and hybrid laminar-flow control (HLFC) wings are efficient
drag reduction technologies. It is vital to develop robust laminar-flow wings to research the …

Eigenvalue Sensitivity Computations for Linear Stability Theory

C Klauss, P Paredes, MM Choudhari, B Diskin… - Journal of Aircraft, 2025 - arc.aiaa.org
To realize the drag reduction benefit of boundary-layer transition control strategies, it is
crucial to integrate transition prediction into the vehicle design through an optimization …

[PDF][PDF] To CFD or not to CFD? Comparing RANS and viscous panel methods for airfoil shape optimization

EJ Adler, AC Gray, J Martins - 33rd Congress of the International Council of …, 2022 - icas.org
As the computational resources available to aerodynamicists increase, so does the number
of tools with which they can analyze their designs. The key skill of a good engineer is …

[HTML][HTML] Adjoint-based robust optimization design of laminar flow wing under flight condition uncertainties

C Yifu, RAO Hanyue, D Yiju, Y Tihao, SHI Yayun… - Chinese Journal of …, 2023 - Elsevier
It is an inherent uncertainty problem that the application of laminar flow technology to the
wing of large passenger aircraft is affected by flight conditions. In order to seek a more …

Investigation of a smooth local correlation-based transition model in a discrete-adjoint aerodynamic shape optimization algorithm

MG Piotrowski, DW Zingg - AIAA Scitech 2022 Forum, 2022 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2022-1865. vid A smooth local
correlation-based transition model is fully coupled to a RANS-based Newton-Krylov flow …