Machine learning in aerodynamic shape optimization

J Li, X Du, JRRA Martins - Progress in Aerospace Sciences, 2022 - Elsevier
Abstract Machine learning (ML) has been increasingly used to aid aerodynamic shape
optimization (ASO), thanks to the availability of aerodynamic data and continued …

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 …

Efficient mesh generation and deformation for aerodynamic shape optimization

NR Secco, GKW Kenway, P He, C Mader… - AIAA Journal, 2021 - arc.aiaa.org
Mesh generation and deformation are critical elements in gradient-based aerodynamic
shape optimization (ASO). Improperly generated or deformed meshes may contain bad …

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 …

Low-Reynolds-number airfoil design optimization using deep-learning-based tailored airfoil modes

J Li, M Zhang, CMJ Tay, N Liu, Y Cui, SC Chew… - Aerospace Science and …, 2022 - Elsevier
Low-Reynolds-number high-lift airfoil design is critical to the performance of unmanned
aerial vehicles (UAV). However, since laminar-to-turbulent transition dominates the …

On deep-learning-based geometric filtering in aerodynamic shape optimization

J Li, M Zhang - Aerospace Science and Technology, 2021 - Elsevier
Geometric filtering based on deep-learning models has been shown to be effective to shrink
the design space and improve the efficiency of aerodynamic shape optimization. However …

Data-based approach for wing shape design optimization

J Li, M Zhang - Aerospace Science and Technology, 2021 - Elsevier
Aircraft design is a trade-off among different objectives and constraints, so multiple design
rounds are usually required. Aerodynamic shape optimization based on high-fidelity …

Aerodynamic performance optimization of a UAV's airfoil at low-Reynolds number and transonic flow under the Martian carbon dioxide atmosphere

Y Zhao, J Liu, D Li, C Liu, X Fu, H Wang - Acta Astronautica, 2024 - Elsevier
Unmanned aerial vehicles (UAV) on Mars operate in a thin atmosphere of carbon dioxide,
where the flow Reynolds number and local sound velocity are significantly reduced …

Adjoint-based aerodynamic shape optimization including transition to turbulence effects

GLO Halila, JRRA Martins, KJ Fidkowski - Aerospace Science and …, 2020 - Elsevier
The inclusion of transition to turbulence effects in aerodynamic shape optimization makes it
possible to use it as a tool for the design of airframes with laminar flow. Modified Reynolds …

Adjoint-free aerodynamic shape optimization of the common research model wing

J Li, M Zhang - AIAA Journal, 2021 - arc.aiaa.org
Adjoint-free methods are required in aerodynamic shape design optimization if an adjoint
solver is unavailable. However, their performance is highly criticized in high-dimensional …