对固定的参数激励频率和阻尼，当参数激励幅值较小时梁的运动是周期的，但大幅值激励会使运动通过倍周期分岔变为混沌。
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.
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。
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.
某钢厂列吊车梁在工作中，由于吊车工作的动态作用，导致制动梁（连接板）经常发生断裂，固定连接板的螺栓松动。
The brake beam(connecting plate) is often broken, and the bolts for fixing the connecting plate are loosed due to the crane′s dynamic load when D series of crane beams are working in a steel plant.
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