This course serves as an introduction to aeroelasticity providing the theoretical basis and hands-on experience for applications to aircraft and turbomachinery design and R&D projects. Starting with the description of the basic aeroelastic phenomena of interest, the course will familiarize the participants with concepts such as aeroelastic deformation, static divergence, control reversal, flutter and gust loads. Aeroelastic modelling techniques of increasing fidelity will be presented and some of them will be practiced. Current industrial practice in aircraft and turbo machinery design will be presented and future avenues will be discussed. Special emphasis is put on interaction with the participants and on practical exercises.
The lecturers are Professor Greg Dimitriadis of University of Liège and Dr. Sina Stapelfeldt of Imperial College London both adjunct professors at the von Karman Institute for Fluid Dynamics.
Dr. Sina Stapelfeldt
Imperial College London, UK & von Karman Institute for Fluid Dynamics, Belgium
Lecture Series Director
Prof. Grigorios Dimitriadis
University of Liège, von Karman Institute for Fluid Dynamics, Belgium
Lecture Series Director
Learning outcomes:
At the end of the course the participant will have a basic understanding of
- The most important aeroelastic phenomena, such as static divergence, control reversal and flu
- The effect of basic system parameters on the occurrence of these phenomena
- Gust load response
- Low, medium and high-fidelity aeroelastic modelling techniques
- Aeroelastic phenomena in turbomachinery
- Current industrial practice
Furthermore, the practical exercises are designed to train application of aeroelastic techniques to practical problems of interest.
Pre-requisites:
The course pre-requisite is a good understanding of aerodynamics, structural vibrations, and finite element methods. Prior use of CFD, and programming skills including familiarity with Python.
Teaching forms
- Formal lectures: 10 hours
- Applications: 7 hours
- Practical sessions: 10 hours
The course will take place from Monday 03 March until 07 March 2025, from 9:00-17:00 with lunch from 12:30 to 13:30 and coffee breaks from 10:30-11:00 and 15:15 to 15:45.
Course note
Course notes and slides will be delivered.
Literature
References in the Lecture Notes
EXAM for VKI Research Master students and 2.0 ECTS transfer for university students who are participating onsite. The evaluation is carried out via an oral examination on the 14th of March 2025.
LS Address
Monday 3 March 2025: Introduction to aeroelasticity
09:00 - 09:15 Welcome & Introduction
Prof. Frank Eulitz, VKI, Belgium
09:15 - 10:30 Introduction to Aeroelasticity
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
10:30 - 11:00 Coffee break
11:00 - 12:30 Static aeroelasticity: static divergence, control reversal
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
12:30 - 14:00 Lunch
14:00 - 15:15 Dynamic aeroelasticity
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
15:15 - 15:45 Coffee break
15:45 - 17:00 Flutter: Fundamentals & quasi-steady aerodynamics
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
17:00 - 18:00 Reception
Tuesday 4 March 2025: Unsteady aerodynamics and gust loads
09:00 - 10:30 Practice session: Calculation of flutter airspeed and frequency
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
10:30 - 11:00 Coffee break
11:00 Practice session cont’d: Calculation of flutter airspeed and frequency
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
12:30 - 14:00 Lunch
14:00 - 15:15 Unsteady aerodynamics
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
15:15 - 15:45 Coffee break
15:45 - 17:00 Unsteady aerodynamics and gust response
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
Wednesday 5 March 2025: Aircraft aeroelasticity in practice
09:00 - 10:30 Practical aircraft unsteady aerodynamic modelling
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
10:30 - 11:00 Coffee break
1:00 - 12:30 Practical aircraft structural dynamic and aeroelastic modelling
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
12:30 - 14:00 Lunch
14:00 - 15:15 Practice session: Aeroelastic modelling of a finite wing in compressible flow
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
15:15 - 15:45 Coffee break
15:45 - 17:00 Practice session cont’d: Aeroelastic modelling of a finite wing in compressible flow
Prof. Grigorios Dimitriadis, University of Liège, VKI, Belgium
Thursday 6 March 2025: High fidelity fluid-structure interaction
09:00 - 10:30 High fidelity fluid-structure modelling
Dr. Sina Stapelfeldt, Imperial College London, UK & VKI, Belgium
10:30 - 11:00 Coffee break
11:00 - 12:30 High fidelity fluid-structure modelling (cont’d)
Dr. Sina Stapelfeldt, Imperial College London, UK & VKI, Belgium
12:30 - 14:00 Lunch
14:00 - 15:15 Practice session: Set up of numerical model & aeroelastic simulation
Dr. Sina Stapelfeldt, Imperial College London, UK & VKI, Belgium, Johan Prinsier, VKI, Belgium
15:15 - 15:45 Coffee break
15:45 - 17:00 Practice session cont’d: Set up of numerical model & aeroelastic simulation
Dr. Sina Stapelfeldt, Imperial College London, UK & VKI, Belgium, Johan Prinsier, VKI, Belgium
Friday 7 March 2025: Aeroelasticity simulations of turbomachines
09:00 - 10:30 Turbomachinery aeroelasticity
Dr. Sina Stapelfeldt, Imperial College London, UK & VKI, Belgium
10:30 - 11:00 Coffee break
11:00 - 11:30 Turbomachinery aeroelasticity (cont’d)
Dr. Sina Stapelfeldt, Imperial College London, UK & VKI, Belgium, Johan Prinsier, VKI, Belgium
11:30 - 12:30 Practice session: Analysis of results
Dr. Sina Stapelfeldt, Imperial College London, UK & VKI, Belgium
12:30 - 13:30 Lunch
13:30 - 14:30 Practice session (cont’d): Analysis of results
Dr. Sina Stapelfeldt, Imperial College London, UK & VKI, Belgium, Johan Prinsier, VKI, Belgium
14:30 Q&A until 15:00 Conclusion of the course
Before registering, please check the VKI eligibility criteria.
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Introduction to Aeroelasticity : Aircraft and Turbomachinery
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