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 …

Effective adjoint approaches for computational fluid dynamics

GKW Kenway, CA Mader, P He… - Progress in Aerospace …, 2019 - Elsevier
The adjoint method is used for high-fidelity aerodynamic shape optimization and is an
efficient approach for computing the derivatives of a function of interest with respect to a …

Dafoam: An open-source adjoint framework for multidisciplinary design optimization with openfoam

P He, CA Mader, JRRA Martins, KJ Maki - AIAA journal, 2020 - arc.aiaa.org
The adjoint method is an efficient approach for computing derivatives that allow gradient-
based optimization to handle systems parameterized with a large number of design …

Natural laminar-flow airfoil optimization design using a discrete adjoint approach

Y Shi, CA Mader, S He, GLO Halila, JRRA Martins - AIAA Journal, 2020 - arc.aiaa.org
Natural laminar-flow wings are one of the most promising technologies for reducing fuel
burn and emissions for commercial aviation. However, there is a lack of tools for performing …

Scalable automatic differentiation of multiple parallel paradigms through compiler augmentation

WS Moses, SHK Narayanan, L Paehler… - … conference for high …, 2022 - ieeexplore.ieee.org
Derivatives are key to numerous science, engineering, and machine learning applications.
While existing tools generate derivatives of programs in a single language, modern parallel …

A duality-preserving adjoint method for segregated Navier–Stokes solvers

L Fang, P He - Journal of Computational Physics, 2024 - Elsevier
Adjoint methods efficiently compute gradients for systems with many inputs and have been
widely used for large-scale gradient-based optimization in fluid mechanics. To ensure …

Natural laminar flow wing optimization using a discrete adjoint approach

Y Shi, CA Mader, JRRA Martins - Structural and Multidisciplinary …, 2021 - Springer
Natural laminar flow is one of the most promising ways to reduce the drag of future aircraft
configurations. However, there is a lack of efficient tools for performing shape optimization …

An object-oriented framework for rapid discrete adjoint development using OpenFOAM

P He, CA Mader, JRRA Martins, K Maki - AIAA scitech 2019 forum, 2019 - arc.aiaa.org
The adjoint method is an efficient approach for computing derivatives because its
computational cost is independent of the number of design variables. Using the derivatives …

Adjoint computations by algorithmic differentiation of a parallel solver for time-dependent PDEs

JI Cardesa, L Hascoët, C Airiau - Journal of computational science, 2020 - Elsevier
A computational fluid dynamics code is differentiated using algorithmic differentiation (AD) in
both tangent and adjoint modes. The two novelties of the present approach are (1) the …

Optimal mesh generation for a non-iterative grid-converged solution of flow through a blade passage using deep reinforcement learning

I Kim, J Chae, D You - arXiv preprint arXiv:2402.15079, 2024 - arxiv.org
An automatic mesh generation method for optimal computational fluid dynamics (CFD)
analysis of a blade passage is developed using deep reinforcement learning (DRL). Unlike …