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Aeroelastic hybrid testing for industrial applications

Davide Balatti, Hamed Haddad Khodaparast Orcid Logo, Shakir Jiffri Orcid Logo, Michael Friswell, Sebastiano Fichera, Alessandra Vizzaccaro, Andrea Castrichini

International Forum on Aeroelasticity and Structural Dynamics (IFASD) 2024, The Hague, Netherlands

Swansea University Authors: Davide Balatti, Hamed Haddad Khodaparast Orcid Logo, Shakir Jiffri Orcid Logo, Michael Friswell

Abstract

Aeronautical structures, due to uncertainties and nonlinearities, require extensive experimental testing for both design and certification, especially concerning their aeroelastic behavior. Such experimental procedures are conducted through both wind tunnel tests and flying prototypes. The latter in...

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Published in: International Forum on Aeroelasticity and Structural Dynamics (IFASD) 2024, The Hague, Netherlands
Published: 2024
URI: https://cronfa.swan.ac.uk/Record/cronfa70417
first_indexed 2025-09-21T10:28:01Z
last_indexed 2025-10-31T18:11:54Z
id cronfa70417
recordtype SURis
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Such experimental procedures are conducted through both wind tunnel tests and flying prototypes. The latter introduces risks to personnel, entails higher costs, and provides considerably less control over external factors. At the same time, wind tunnel tests offer safety, affordability, repeatability, and control over external variables. However, due to the limitations of the wind tunnel test section, only scaled models or limited portions of the whole structure can be tested, resulting in a lack of interaction with surrounding aero-structural systems. Hybrid Testing (HT) is an advanced experimental technique in structural engineering that combines physical testing with numerical simulations to assess the behavior of complex structures and systems under various loading conditions. In HT, the structure of interest is divided into physical and numerical substructures and then combined to form a hybrid structure reproducing the behavior of the original system. In the existing literature, HT has been primarily applied to academic simplified aeroelastic systems. This work aims to evaluate the feasibility of HT for aeroelastic industrial applications, considering two case studies. In the first case, an aeroelastic straight untapered half-wing is examined. The second case involves a modification of the FFAST (Future Fast Aeroelastic Simulation Technologies) aeroelastic model representing a civil commercial aircraft with hinged wingtips. In this work, both virtual and physical substructures are simulated. A transfer system ensures force and displacement compatibility between the numerical and physical substructures through a control system employing sensors and actuators. For both cases, sensors and actuators are modelled to study the effects of the transfer system delay and limit bandwidth. 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spelling 2025-10-30T10:39:37.0267809 v2 70417 2025-09-21 Aeroelastic hybrid testing for industrial applications 4c58ba20bbabfef44b00b143e96b37e1 Davide Balatti Davide Balatti true false f207b17edda9c4c3ea074cbb7555efc1 0000-0002-3721-4980 Hamed Haddad Khodaparast Hamed Haddad Khodaparast true false 1d7a7d2a8f10ec98afed15a4b4b791c4 0000-0002-5570-5783 Shakir Jiffri Shakir Jiffri true false 5894777b8f9c6e64bde3568d68078d40 Michael Friswell Michael Friswell true false 2025-09-21 ONDF Aeronautical structures, due to uncertainties and nonlinearities, require extensive experimental testing for both design and certification, especially concerning their aeroelastic behavior. Such experimental procedures are conducted through both wind tunnel tests and flying prototypes. The latter introduces risks to personnel, entails higher costs, and provides considerably less control over external factors. At the same time, wind tunnel tests offer safety, affordability, repeatability, and control over external variables. However, due to the limitations of the wind tunnel test section, only scaled models or limited portions of the whole structure can be tested, resulting in a lack of interaction with surrounding aero-structural systems. Hybrid Testing (HT) is an advanced experimental technique in structural engineering that combines physical testing with numerical simulations to assess the behavior of complex structures and systems under various loading conditions. In HT, the structure of interest is divided into physical and numerical substructures and then combined to form a hybrid structure reproducing the behavior of the original system. In the existing literature, HT has been primarily applied to academic simplified aeroelastic systems. This work aims to evaluate the feasibility of HT for aeroelastic industrial applications, considering two case studies. In the first case, an aeroelastic straight untapered half-wing is examined. The second case involves a modification of the FFAST (Future Fast Aeroelastic Simulation Technologies) aeroelastic model representing a civil commercial aircraft with hinged wingtips. In this work, both virtual and physical substructures are simulated. A transfer system ensures force and displacement compatibility between the numerical and physical substructures through a control system employing sensors and actuators. For both cases, sensors and actuators are modelled to study the effects of the transfer system delay and limit bandwidth. Additionally, to ensure the correctness of the HT, an innovative combination of an active and passive transfer system is proposed. Conference Paper/Proceeding/Abstract International Forum on Aeroelasticity and Structural Dynamics (IFASD) 2024, The Hague, Netherlands 21 6 2024 2024-06-21 COLLEGE NANME Other/Subsidiary Companies - Not Defined COLLEGE CODE ONDF Swansea University 2025-10-30T10:39:37.0267809 2025-09-21T11:23:48.3922260 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering Davide Balatti 1 Hamed Haddad Khodaparast 0000-0002-3721-4980 2 Shakir Jiffri 0000-0002-5570-5783 3 Michael Friswell 4 Sebastiano Fichera 5 Alessandra Vizzaccaro 6 Andrea Castrichini 7
title Aeroelastic hybrid testing for industrial applications
spellingShingle Aeroelastic hybrid testing for industrial applications
Davide Balatti
Hamed Haddad Khodaparast
Shakir Jiffri
Michael Friswell
title_short Aeroelastic hybrid testing for industrial applications
title_full Aeroelastic hybrid testing for industrial applications
title_fullStr Aeroelastic hybrid testing for industrial applications
title_full_unstemmed Aeroelastic hybrid testing for industrial applications
title_sort Aeroelastic hybrid testing for industrial applications
author_id_str_mv 4c58ba20bbabfef44b00b143e96b37e1
f207b17edda9c4c3ea074cbb7555efc1
1d7a7d2a8f10ec98afed15a4b4b791c4
5894777b8f9c6e64bde3568d68078d40
author_id_fullname_str_mv 4c58ba20bbabfef44b00b143e96b37e1_***_Davide Balatti
f207b17edda9c4c3ea074cbb7555efc1_***_Hamed Haddad Khodaparast
1d7a7d2a8f10ec98afed15a4b4b791c4_***_Shakir Jiffri
5894777b8f9c6e64bde3568d68078d40_***_Michael Friswell
author Davide Balatti
Hamed Haddad Khodaparast
Shakir Jiffri
Michael Friswell
author2 Davide Balatti
Hamed Haddad Khodaparast
Shakir Jiffri
Michael Friswell
Sebastiano Fichera
Alessandra Vizzaccaro
Andrea Castrichini
format Conference Paper/Proceeding/Abstract
container_title International Forum on Aeroelasticity and Structural Dynamics (IFASD) 2024, The Hague, Netherlands
publishDate 2024
institution Swansea University
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Aerospace Engineering
document_store_str 0
active_str 0
description Aeronautical structures, due to uncertainties and nonlinearities, require extensive experimental testing for both design and certification, especially concerning their aeroelastic behavior. Such experimental procedures are conducted through both wind tunnel tests and flying prototypes. The latter introduces risks to personnel, entails higher costs, and provides considerably less control over external factors. At the same time, wind tunnel tests offer safety, affordability, repeatability, and control over external variables. However, due to the limitations of the wind tunnel test section, only scaled models or limited portions of the whole structure can be tested, resulting in a lack of interaction with surrounding aero-structural systems. Hybrid Testing (HT) is an advanced experimental technique in structural engineering that combines physical testing with numerical simulations to assess the behavior of complex structures and systems under various loading conditions. In HT, the structure of interest is divided into physical and numerical substructures and then combined to form a hybrid structure reproducing the behavior of the original system. In the existing literature, HT has been primarily applied to academic simplified aeroelastic systems. This work aims to evaluate the feasibility of HT for aeroelastic industrial applications, considering two case studies. In the first case, an aeroelastic straight untapered half-wing is examined. The second case involves a modification of the FFAST (Future Fast Aeroelastic Simulation Technologies) aeroelastic model representing a civil commercial aircraft with hinged wingtips. In this work, both virtual and physical substructures are simulated. A transfer system ensures force and displacement compatibility between the numerical and physical substructures through a control system employing sensors and actuators. For both cases, sensors and actuators are modelled to study the effects of the transfer system delay and limit bandwidth. Additionally, to ensure the correctness of the HT, an innovative combination of an active and passive transfer system is proposed.
published_date 2024-06-21T05:30:49Z
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score 11.089386

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