1. Dynamics of a cantilever beam attached to a moving base
2. Nonlinear flap-lag axial equations of a rotating beam
3. 3Hurty, W. C. and Rubinstein, M. F. Dynamics of Structures, Prentice-Hall, Englewood Cliffs, NJ, 1964, pp.182-184.
4. 4Meirovitch, L., Analytical Methods in Vibrations, MacMillan Co., Toronto, Canada, 1967, pp.440-453.