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AEROFLEX SIGNED

AEROelastic instabilities and control of FLEXible Structures

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

AEROFLEX project word cloud

Explore the words cloud of the AEROFLEX project. It provides you a very rough idea of what is the project "AEROFLEX" about.

perturbation limiting progressing electricity reduce dimensional methodology ultimate reducing complexity deformations instabilities deforming describing ground theoretical solutions aeronautics class flutter structures vibrating appear starting experimental reynolds first flows elastic breaking rigid branches extended phenomena technological coupling mean stability aeroelastic configurations fundamentally global industrial instability emerge shift nonlinear solving flow flexible types mathematically dynamics drag adjoint stable vibrations wind industry unstable arises fluid paradigm marine passive advantage algorithm linear capacities free energetic vortex suppressing origin suppression structure innovative

Project "AEROFLEX" data sheet

The following table provides information about the project.

Coordinator	OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALES Organization address address: CHEMIN DE LA HUNIERE city: PALAISEAU postcode: 91120 website: www.onera.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	France [FR]
Project website	http://w3.onera.fr/erc-aeroflex/
Total cost	1˙377˙290 €
EC max contribution	1˙377˙290 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2014-STG
Funding Scheme	ERC-STG
Starting year	2015
Duration (year-month-day)	from 2015-07-01 to 2020-06-30

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALES OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALES Organization address address: CHEMIN DE LA HUNIERE city: PALAISEAU postcode: 91120 website: www.onera.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	FR (PALAISEAU)	coordinator	1˙377˙290.00

Map

Project objective

Aeroelastic instabilities are at the origin of large deformations of structures and are limiting the capacities of products in various industrial branches such as aeronautics, marine industry, or wind electricity production. If suppressing aeroelastic instabilities is an ultimate goal, a paradigm shift in the technological development is to take advantage of these instabilities to achieve others objectives, as reducing the drag of these flexible structures. The ground-breaking challenges addressed in this project are to design fundamentally new theoretical methodologies for (i) describing mathematically aeroelastic instabilities, (ii) suppressing them and (iii) using them to reduce mean drag of structures at a low energetic cost. To that aim, two types of aeroelastic phenomena will be specifically studied: the flutter, which arises as a result of an unstable coupling instability between two stable dynamics, that of the structures and that the flow, and vortex-induced vibrations which appear when the fluid dynamics is unstable. An aeroelastic global stability analysis will be first developed and applied to problems of increasing complexity, starting from two-dimensional free-vibrating rigid structures and progressing towards three-dimensional free-deforming elastic structures. The control of these aeroelastic instabilities will be then addressed with two different objectives: their suppression or their use for flow control. A theoretical passive control methodology will be established for suppressing linear aeroelastic instabilities, and extended to high Reynolds number flows and experimental configurations. New perturbation methods for solving strongly nonlinear problems and adjoint-based control algorithm will allow to use these aeroelastic instabilities for drag reduction. This project will allow innovative control solutions to emerge, not only in flutter or vortex-induced vibrations problems, but also in a much broader class of fluid-structure problems.

Publications

List of publications.
year	authors and title	journal	last update
2019	Jean-Lou Pfister, Olivier Marquet, Marco Carini Linear stability analysis of strongly coupled fluidâ€“structure problems with the Arbitrary-Lagrangianâ€“Eulerian method published pages: 663-689, ISSN: 0045-7825, DOI: 10.1016/j.cma.2019.06.024	Computer Methods in Applied Mechanics and Engineering 355	2020-03-05

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The information about "AEROFLEX" are provided by the European Opendata Portal: CORDIS opendata.