Rotors (Helicopters) -- Dynamics -- Mathematical models -- Congresses. : Recent advances in the structural dynamic modeling of composite rotor blades and thick composites : presented at the Winter Annual Meeting of the American Society of Mechanical Engineers, Anaheim, California, November 8-13, 1992 / sponsored by the Aerospace Division, ASME ; edited by P.P. Friedmann, J.B. Kosmatka