1. Formulation and solution of rotarywing aeroelastic stability and resonance problem;Friedmann;Vertica,1983
2. Nonlinear equations of motion of the elastic bending and torsion of twisted nonuniform rotor blades;Hodges;NASA TN D-7818,1974
3. Influence of modeling and blade parameter on the aeroelastic stability of cantilevered rotors;Friedmann;AIAA Jl,1977
4. Applications of the finite element method to rotary-wing aeroelasticity;Friedmann;J. Am. Helicopter Soc.,1980
5. Finite element analysis for bearingless rotor blade aeroelasticity;Sivaneri;J. Am. Helicopter Soc.,1984