## Periodic Unsteady Flow Analysis Using a Diagonally Implicit Harmonic Balance Method

- D. Im, J. H. Kwon, S. H. Park
- 2011

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… (More)

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