After evaluating the total work acting on the ITP by the airflow during an oscillating cycle, the flutter mechanism of the ITP was discussed.
通过计算一个运动周期内作用在平板上的总功，分析了理论平板的颤振机理。
2
The phenomena "limit cycle" occurred in wind tunnel test for active flutter suppression of a wing model are numerically explained using Harmonic Balance Method.
本文采用谐波平衡法，定量地解释了机翼颤振主动抑制风洞试验中出现的极限环现象。
3
Results showed that long _ cycle leading to atrial fibrillation and flutter were mostly compensating period due to atrial premature beat or obviously sinus bradycardia.