Funded by the European Union

AeroGust Project Presentation

Funded by the European Union

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FlightPath 2050 – The Inspiration for AeroGust

Funded by the European Union

FlightPath 2050 - Maintaining and extending industrial leadership

1. Competitive European aviation industry with a share of more than40% of global market.

2. Europe will maintain leading edge capabilities and jobs supported byhigh profile projects and programmes from basic research to full-scale demonstrators.

3. Streamlined and upgraded processes that address complexity andsignificantly decreased development costs (including a 50%reduction in the cost of certification).

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Goals for 2050:

Funded by the European Union

Development of the AeroGust Project

• If market drivers lead to the adoption of more flexible materials andthe consideration of novel configurations, then the linear assumptionsof the current gust loads process will become unacceptable;

• The current process relies on steady wind tunnel data created fromthe final aerodynamic surface in the predicted cruise shape. Thismeans that gust loads come relatively late when the design optionshave been narrowed;

• The extension of aerospace technology to wind turbine design.

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Funded by the European Union

AeroGust AimTo investigate and develop improved simulation methods for gusts

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AeroGust Objectives• To carry out investigations using CFD so that the non-linearities in

gust interactions are understood

• To create a gust loads process that does not require wind tunnel

data and hence reduces the need for wind tunnel testing

• To develop updated reduced order models for gust prediction

that account for aerodynamic and structural non-linearities at an

acceptable cost

Funded by the European Union

AeroGust Partners

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• University of Bristol

• Institut National De Recherche En Informatique Et En Automatique (INRIA)

• Stichting Nationaal Lucht - En Ruimtevaartlaboratorium (NLR)

• Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)

• University of Cape Town

• Numerical Mechanics Applications International SA (NUMECA)

• Optimad engineering s.r.l.

• University of Liverpool

• Airbus Defence and Space

• Dassault Aviation SA

• Piaggio Aero Industries SPA

• Valeol SAS

Funded by the European Union

AeroGust Work Packages

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• WP1: Management, Dissemination and Exploitation

• WP2: Understanding the Non-linearities of Gust Interaction

• WP3: Reduced reliance on wind tunnel data

• WP4: Adapting the loads process for non-linear and innovative structures

• WP5: Data Collection and Comparison

Funded by the European Union

8Data Collection, Analysis

Validation, assessment and recommendation

Selection of common test cases

SolutionDatabase

Reduced reliance on wind tunnel dataUnderstanding non-linearities of gust interaction

Adapting the loads process for non-linear and innovative structures

High-fidelity RANS & LES Gust modelling

Non-linear structural modelsAero ROM + Structure FOM

Investigation of assumptionsin existing process

Reconstruction of existing loads process using CFD

Identification of aero data and implementation of updated ROMs

Aeroelastic ROMs

Man

agem

ent,

Dis

sem

inat

ion

and

Expl

oita

tion

High fidelity coupled solutionsAero FOM + Structure FOMAero FOM + Structure ROM

Gust load ROMs

Investigation of uncertaintyin the gust loads process

AeroGust Work Package Interaction

Funded by the European Union

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• Investigate aerodynamic non-linearities due to aircraft-gust responses

- Compare the computational capability of different approaches

• Investigate classical gust definitions

- Develop new models incorporating compressibility effects

• Investigate the impact of structural non-linearities on aircraft-gust responses

• Investigate the interaction of aerodynamic and structural non-linearities in

aircraft-gust responses

WP2: Understanding the Non-linearities of Gust Interaction

Funded by the European Union

• Recreate the industrial loads process

- Using CFD to generate the experimental corrections

• Assess Impact of Underlying Assumptions of the Current

Loads Process

• Extend the Current Process

- Highly flexible structures

- Innovative structures

• Include Uncertainty in Aerodynamic and Structural Models

- Impact on gust loads

WP3: Reduced Reliance on Wind Tunnel Data

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Funded by the European Union

Full Order

• ROMs for Gusts

- Implementation and development of aerodynamic ROMs

- Use of small amounts of high quality numerical or experimental data to improve accuracy and range of aerodynamic ROMs

- Aeroelastic ROMs

• Hybrid ROM/High Fidelity Methods

- Accuracy, cost, robustness and range of applicability will be investigated

• Uncertainty Methods for ROM Development

WP4: Adapting the Loads Process for Non-linear and Innovative Structures

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ROM

Funded by the European Union

WP5: Data Collection and Comparison

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• Development of Solution Data Base

- Unified template requirements of the SDB based on ERCOFTAC guidelines

- Decide on storage architecture and access protocol for the SDB

- Development, testing and maintenance of the SDB

• Comparison and evaluation of methods

- Accuracy, cost, robustness and range of applicability

will be investigated

• Development of common test cases

Funded by the European Union

Common Test Cases

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Civil transport Military – high speed

Wind Turbine

UAV-high AR