Schäfer, Dominik und Vidy, Cyrille und Mack, Christoph und Arnold, Jürgen (2018) Assessment of body-freedom flutter for an unmanned aerial vehicle. CEAS Aeronautical Journal. Springer. doi: 10.1007/s13272-018-0353-9. ISSN 1869-5590.
Dieses Archiv kann nicht den Volltext zur Verfügung stellen.
Kurzfassung
The flutter characteristic of a highly swept flying wing unmanned aerial vehicle (UAV) is studied for the DLR-F19 concept. The compact geometry, which is based on the SACCON configuration, raises the question whether a coupling between rigid body and elastic modes, known as “body-freedom flutter”, is relevant for this configuration to be a critical flutter phenomenon. The important modes contributing to the various flutter mechanisms are identified by means of the average power of the modal unsteady aerodynamics. Furthermore, aerodynamic methods based on linear potential flow theory (MSC.Nastran DLM and ZAERO ZONA6) and the Euler equations are used to assess the accuracy of fast aerodynamic methods for flutter point prediction of this particular configuration at a low transonic Mach number of 0.8. The BFF phenomenon is further examined by modifying the mass and stiffness distributions of the configuration.
elib-URL des Eintrags: | https://elib.dlr.de/125901/ | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||||||
Titel: | Assessment of body-freedom flutter for an unmanned aerial vehicle | ||||||||||||||||||||
Autoren: |
| ||||||||||||||||||||
Datum: | Dezember 2018 | ||||||||||||||||||||
Erschienen in: | CEAS Aeronautical Journal | ||||||||||||||||||||
Referierte Publikation: | Ja | ||||||||||||||||||||
Open Access: | Nein | ||||||||||||||||||||
Gold Open Access: | Nein | ||||||||||||||||||||
In SCOPUS: | Ja | ||||||||||||||||||||
In ISI Web of Science: | Nein | ||||||||||||||||||||
DOI: | 10.1007/s13272-018-0353-9 | ||||||||||||||||||||
Verlag: | Springer | ||||||||||||||||||||
ISSN: | 1869-5590 | ||||||||||||||||||||
Status: | veröffentlicht | ||||||||||||||||||||
Stichwörter: | aeroelasticity, body-freedom flutter, potential flow theory, Euler method, flying wing combat UAV | ||||||||||||||||||||
HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||
HGF - Programm: | Luftfahrt | ||||||||||||||||||||
HGF - Programmthema: | Flugzeuge | ||||||||||||||||||||
DLR - Schwerpunkt: | Luftfahrt | ||||||||||||||||||||
DLR - Forschungsgebiet: | L AR - Aircraft Research | ||||||||||||||||||||
DLR - Teilgebiet (Projekt, Vorhaben): | L - Militärische Technologien (alt) | ||||||||||||||||||||
Standort: | Göttingen | ||||||||||||||||||||
Institute & Einrichtungen: | Institut für Aeroelastik > Aeroelastische Simulation | ||||||||||||||||||||
Hinterlegt von: | Arnold, Dipl.-Ing. Jürgen | ||||||||||||||||||||
Hinterlegt am: | 14 Jan 2019 10:56 | ||||||||||||||||||||
Letzte Änderung: | 21 Nov 2023 09:11 |
Nur für Mitarbeiter des Archivs: Kontrollseite des Eintrags