For fixed damping and fixed excited frequency the motion of the beam under small amplitude of force is periodic, but becomes chaotic through period doubling bifurcation with increase of the force.
Rotor blade connection according to claim 1 wherein each intermediate layer of the individual dampers is fixed to the support beam structure by a single fastening point.
转子叶片方面，根据权利要求1，其中每一个中间层的个别阻尼器是固定的支持梁结构，由一个单一的紧固点。
3
In the mechanics, the class of problems describes the deformation of an elastic beam whose one end is fixed and other is movable.