Computationally fast harmonic balance methods for unsteady aerodynamic predictions of helicopter rotors. - Kivanc Ekici; Kenneth C. Hall; Earl H. Dowell (J. Comput. Phys., 2008)

Modeling periodic and non-periodic response of dynamical systems using an efficient Chebyshev-based time-spectral approach. - Kivanc Ekici; Seyed Reza Djeddi; Hang Li; Jay I. Frankel (J. Comput. Phys., 2020)

Supplemental-frequency harmonic balance: A new approach for modeling aperiodic aerodynamic response. - Hang Li; Kivanc Ekici (J. Comput. Phys., 2021)