Rotor Flow Analysis using an Implicit Harmonic Balance Method

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This paper is an extension of a previous work where a diagonally implicit harmonic balance method was developed and applied to simulate oscillatory motions of pitching airfoil and wing. A more detailed study on the accuracy, convergence, and the efficiency of the method is carried out in the current paperby varying the number of harmonics in the solution approximation. As the main advantage of the method is itsusage for the design optimization of the unsteady problems, its application to more practical case of rotor flow analysis during forward flight is carried out and compared with flight test data and time-accurate computation results.
Publisher
International Conference on Computational Fluid Dynamics
Issue Date
2011-07
Language
English
Citation

World Academy of Sicience Engineering and Technology 79 2011, pp.151 - 157

ISSN
2010-3778
URI
http://hdl.handle.net/10203/170755
Appears in Collection
AE-Conference Papers(학술회의논문)

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