Journal
JOURNAL OF FLUIDS AND STRUCTURES
Volume 23, Issue 3, Pages 351-363Publisher
ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jfluidstructs.2006.09.005
Keywords
high dimensional harmonic balance method; airfoil; cubic nonlinearity; secondary bifurcation; limit cycle oscillations
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This is a study of a two-dimensional airfoil including a cubic spring stiffness placed in an incompressible flow. A new formulation of the harmonic balance method is employed for the aeroelastic airfoil to investigate the amplitude and frequency of the limit cycle oscillations. The results are compared with the results from the classical harmonic balance approach and from the conventional time marching integration method. (C) 2006 Elsevier Ltd. All rights reserved.
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