Algorithmic Differentiation for adjoint sensitivity calculation in plasma edge codes

S Carli, L Hascoët, W Dekeyser… - Journal of Computational …, 2023 - Elsevier
In the framework of fusion energy research, divertor design and model calibration based on
plasma edge codes currently rely either on manual iterative tuning of parameters, or …

Goal oriented mesh adaptation using total derivative of aerodynamic functions with respect to mesh coordinates–With applications to Euler flows

J Peter, M Nguyen-Dinh, P Trontin - Computers & fluids, 2012 - Elsevier
In aeronautical CFD, engineers require accurate predictions of the forces and moments but
they are less concerned with the accuracy of the detailed flow-field. Hence, the so-called …

Bayesian maximum a posteriori‐estimation of κ turbulence model parameters using algorithmic differentiation in SOLPS‐ITER

S Carli, W Dekeyser, M Blommaert… - … to Plasma Physics, 2022 - Wiley Online Library
Radial anomalous diffusion coefficients are among the largest sources of uncertainty in
mean‐field plasma‐edge codes such as SOLPS‐ITER. These coefficients are machine …

A data-driven scalable MDO problem to compare MDO formulations

M De Lozzo, F Gallard, A Gazaix… - AIAA AVIATION 2021 …, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-3053. vid Optimizing a
multidisciplinary system may not be straighforward because of the dimension of both …

Calcul de la sensibilité d'ordre deux d'une observation aérodynamique

L Martin, G Roge - ESAIM: Proceedings, 2009 - esaim-proc.org
This paper outlines a new formulation for Hessian calculation for a functional of interest for
aerodynamic applications with regards to shape parameters. An analysis of the order of the …

Computational and Experimental Assessment of Models for the First AIAA Sonic Boom Prediction Workshop Using Adaptive High Fidelity CFD methods

F Dagrau, A Loseille, I Salah El Din - 32nd AIAA Applied Aerodynamics …, 2014 - arc.aiaa.org
ITH the surge of worldwide projects on the feasibility of an environmentally compliant
supersonic business jet1, an accurate sonic boom computational process is paramount for …

Qualification of numerical simulations by anisotropic mesh adaptation

M Nguyen-Dinh - 2014 - theses.hal.science
Numerical simulation is widely used for the assessment of aircraft aerodynamic
performances and shape optimizations. Hence the objective of these simulations is often to …

NATURAL LAMINAR FLOW HIGH ASPECT RATIO WING SHAPE OPTIMIZATION USING A DISCRETE ADJOINT APPROACH

G Rogé, F Billard, G Laruellle, S Kleinveld, G Sporschill - nextair-project.eu
Natural Laminar Flow (NLF) High Aspect Ratio Wing (HARW) is one of the most promising
ways to dramatically reduce the carbon footprint of Business Jets aircrafts. The aim of our …

Résolution des équations de Navier-Stokes linéarisées pour l'aéroélasticité, l'optimisation de forme et l'aéroacoustique

A Bissuel - 2018 - pastel.hal.science
Les équations de Navier-Stokes linéarisées sont utilisées dans l'industrie aéronautique pour
l'optimisation de forme aérodynamique, l'aéroélasticité et l'aéroacoustique. Deux axes ont …

Shape optimization for greener aircraft: the Dassault Aviation vision and perspectives

G Rogé, S Kleiveld, X Loyatho… - ECCOMAS Congress, 2016 - eccomas2016.org
ABSTRACT The ACARE roadmap beyond 2020 [1] estimates that new aircraft concepts and
airframe aerodynamic improvements could together lead to 30% of fuel burn reductions until …