Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 1

Implicit harmonic balancemethod Related Publications

1 Rotor Flow Analysis using Animplicit Harmonic Balance Method

Authors: J. H. Kwon, D. Im, S. Choi, H. Kwon, S. H. Park

Abstract:

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.

Keywords: Design optimization, Implicit harmonic balancemethod, number of harmonics, rotor flows

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