Aeroelasticity

Course guarantor:

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Department of Aerospace Engineering

Synopsis:

•Elasticity- Influence coefficients. Dynamic behaviour of the structure and deformation equations of motion. Discrete and continuous models.

•Ground vibration test. Model of the viscous, structural and dry damping.

•FEM modal analysis.

•Equations of non-stationary flow fields. Aerodynamics of the oscillating motion.

•Lagrange´s generalized motion equations of the idealized structure.

•Potential Flutter equations of motion – ´k´ method, ´p-k´- method, ´p´ - method.

•Flutter analysis of aircraft and the possibility of flutter suppression.

•Non-linear types of flutter. Buffeting.

•Dynamic response of the aircraft. Transition functions and Duhamel´s integral of aerodynamic forces of general motion.

•Aeroservoelasticity. Active damping.

•Equations static aeroelasticity. Torsion divergence. Redistribution of aerodynamic load. Control effectiveness and reversal.

•Aeroelastic model theory. Similarity laws.

•Flight measurement and evaluation of aeroelastic properties of the structure.

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Study materials:

•Wright J. R., Cooper J.E: Introduction to Aircraft Aeroelasticity and Loads – second edition, 2015, John Wiley & Sons Ltd., ISBN 978-1-118-488001-0

•G. Dimitriadis: Introduction to Nonlinear Aeroelasticity, 2017, John Wiley & Sons Ltd., ISBN 978-1-118-613473

•Roden W. P.: Theoretical and Computational Aeroelasticity, 2011, The American Group, ISBN 978-0692012413

•Dowell E. H (Editor), Crawley E. F., Curtiss H.C, Peters D. A, Scanlan R.H, Sisto F.: A Modern Course in

Aeroelasticity – fourth edition, 2004, Kluwer Academic Publishers., ISBN 1-4020-2711-7

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Further information:

No time-table has been prepared for this course

The course is a part of the following study plans: