The flutter analysis of an infinitely long orthotropic panel in a rectangular duct

The aeroelastic stability of an orthotropic panel in a duct with rectangular cross section is examined. The panel extends along the flow direction in the duct which is infinite in length. The panel vibration is modeled by linear plate theory and the flow in the duct is modeled by the compressible li...

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Bibliographic Details
Published in:Aircraft Engineering 2004-01, Vol.76 (6), p.584-591
Main Authors: Körbahti, Banu, Uzal, Erol
Format: Article
Language:English
Subjects:
Aerodynamics
Control theory
Mathematical analysis
Problem solving
Stability control theory
Studies
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Summary:The aeroelastic stability of an orthotropic panel in a duct with rectangular cross section is examined. The panel extends along the flow direction in the duct which is infinite in length. The panel vibration is modeled by linear plate theory and the flow in the duct is modeled by the compressible linearized potential theory. The panel is placed in the mid-section of the duct and is simply supported at the sides. The material of the panel is assumed to be orthotropic. This would model, for example, unidirectional fibers placed in an isotropic plate, either along or perpendicular to the flow direction. An analytical solution is given for the eigenvalues of the panel vibration and results are presented for a range of parameters in the problem.
ISSN:1748-8842
0002-2667
1758-4213
DOI:10.1108/00022660410565508