Interpolation method for adapting reduced-order models and application to aeroelasticity

D Amsallem, C Farhat - AIAA journal, 2008 - arc.aiaa.org
DURING the last two decades, giant strides have been achieved in many aspects of
computational engineering and sciences. Higher-order mathematical models, better …

Reduced-order fluid/structure modeling of a complete aircraft configuration

T Lieu, C Farhat, M Lesoinne - Computer methods in applied mechanics …, 2006 - Elsevier
The proper orthogonal decomposition (POD) method is applied to the computational fluid
dynamics (CFD)-based reduced-order aeroelastic modeling of a complete F-16 fighter …

Stabilization of projection‐based reduced‐order models

D Amsallem, C Farhat - International Journal for Numerical …, 2012 - Wiley Online Library
SUMMARY A rigorous method for stabilizing projection‐based linear reduced‐order models
without significantly affecting their accuracy is proposed. Unlike alternative approaches, this …

A review of industrial aeroelasticity practices at dassault aviation for military aircraft and business jets

E Garrigues - Aerospace Lab, 2018 - hal.science
Aircraft structure design is a complex industrial process that requires multidisciplinary
analyzes and considerations in fields as diverse as aerodynamics, structure, materials and …

A physics-based digital twin for model predictive control of autonomous unmanned aerial vehicle landing

A McClellan, J Lorenzetti… - … Transactions of the …, 2022 - royalsocietypublishing.org
This paper proposes a two-level, data-driven, digital twin concept for the autonomous
landing of aircraft, under some assumptions. It features a digital twin instance (DTI) for model …

A variational multiscale method for the large eddy simulation of compressible turbulent flows on unstructured meshes––application to vortex shedding

B Koobus, C Farhat - Computer Methods in Applied Mechanics and …, 2004 - Elsevier
The variational multiscale formulation of large eddy simulations developed by Hughes and
his co-workers for incompressible turbulent flows is first extended to the case of …

Towards real-time computational-fluid-dynamics-based aeroelastic computations using a database of reduced-order information

D Amsallem, J Cortial, C Farhat - AIAA journal, 2010 - arc.aiaa.org
IT HAS already been established in the literature that linearized computational fluid
dynamics (CFD)-based aeroelastic reducedorder models (ROMs) are capable of predicting …

Adaptation of aeroelastic reduced-order models and application to an F-16 configuration

T Lieu, C Farhat - AIAA journal, 2007 - arc.aiaa.org
IN THE transonic flight regime, state-of-the-art computational fluid dynamics (CFD)-based
nonlinear simulation technologies [1–4] have become a superior choice over linear …

Gradient-based constrained optimization using a database of linear reduced-order models

Y Choi, G Boncoraglio, S Anderson, D Amsallem… - Journal of …, 2020 - Elsevier
A methodology grounded in model reduction is presented for accelerating the gradient-
based solution of a family of linear or nonlinear constrained optimization problems where …

Robust and provably second‐order explicit–explicit and implicit–explicit staggered time‐integrators for highly non‐linear compressible fluid–structure interaction …

C Farhat, A Rallu, K Wang… - International Journal for …, 2010 - Wiley Online Library
An explicit–explicit staggered time‐integration algorithm and an implicit–explicit counterpart
are presented for the solution of non‐linear transient fluid–structure interaction problems in …