Transient Nonlinear Dynamics of Accelerating Hingeless Rotating Blades

Abstract

In Chaps. 3 and 4, linear and nonlinear static solutions for beams made of composite materials were developed. In this chapter, a nonlinear dynamic model for analyzing the transient behavior of a rotating blade is presented. In the coming sections, static analysis serves two purposes. First, in order to run the nonlinear dynamic model, initial conditions for the internal forces and moments as well as the deflection and curvature distributions due to static forces (especially gravity) are required. The nonlinear static model can be used to provide such initial conditions. In this way, first static loads are applied to the nonlinear static computer program, and then, the calculated output (internal force and moment, as well as deflection and curvature distributions) are given as input to the nonlinear dynamics code. The second application of the static code in this chapter is for verification purposes as it will be explained later in Sect. 5.8.