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Master thesis and internship[BR]- Master's thesis : Detuning solutions to mitigate vibration levels in blisk flutter and forced response[BR]- Integration internship
Praillet, Mateo 
Promotor(s) :
Salles, Loïc
Date of defense : 8-Sep-2025/9-Sep-2025 • Permalink : http://hdl.handle.net/2268.2/24843
Details
| Title : | Master thesis and internship[BR]- Master's thesis : Detuning solutions to mitigate vibration levels in blisk flutter and forced response[BR]- Integration internship |
| Translated title : | [fr] Solutions de désaccordage pour réduire les niveaux vibratoires d'un disque aubagé monobloc en flottement et en réponse forcée |
| Author : | Praillet, Mateo
|
| Date of defense : | 8-Sep-2025/9-Sep-2025 |
| Advisor(s) : | Salles, Loïc
|
| Committee's member(s) : | Charles, Xavier
Collette, Christophe
Andrianne, Thomas
|
| Language : | English |
| Number of pages : | 123 |
| Keywords : | [en] blisk [en] detuning [en] mistuning [en] flutter [en] forced response [en] aeroelasticity [en] vibration mitigation |
| Discipline(s) : | Engineering, computing & technology > Aerospace & aeronautics engineering |
| Target public : | Researchers Professionals of domain |
| Institution(s) : | Université de Liège, Liège, Belgique |
| Degree: | Master en ingénieur civil en aérospatiale, à finalité spécialisée en "aerospace engineering" |
| Faculty: | Master thesis of the Faculté des Sciences appliquées |
Abstract
[en] Excessive vibrations in blisk, caused by aeroelastic phenomena such as flutter and forced response, compromise engine reliability and longevity. Detuning, achieved through intentional blade-to-blade variations arranged in specific patterns, has emerged as a promising strategy to mitigate these vibrations. This work studies detuning solutions for a blisk, with the dual objective of improving flutter stability margins and limiting forced response amplification.
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