Flutter analysis of tapered composite fins: Analysis and experiment

Autor: Dinulović Mirko, Rašuo Boško, Slavković Ana, Zajić Goran
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: FME Transactions, Vol 50, Iss 3, Pp 576-585 (2022)
Druh dokumentu: article
ISSN: 1451-2092
2406-128X
DOI: 10.5937/fme2203576D
Popis: In the present work, the aeroelastic stability of tapered composite plates is investigated. Existing flutter models, based on the typical section approach, are reviewed for quasi-steady and unsteady low Mach number axial flows and modified for the thin composite tapered plates. The numerical approach, based on panel vortex methods for flutter analysis, is presented, and results are compared to typical section flutter methods for the tapered composite fins. Experimental work is performed in the subsonic wind tunnel at flow speeds of 20 - 30 m/s range. Good agreement between experimental, analytical, and numerical results is obtained, and it was concluded that the presented methodology could be used for estimating the flutter boundary velocities for the composite thin flat plates.
Databáze: Directory of Open Access Journals