flutter effect 中文意思是什麼
flutter effect
解釋
顫動效應-
Carotid sinus pressure has little or no effect on the atrial rate in atrial flutter.
壓迫頸動脈竇對心房撲動時的心房率幾乎不起作用。 -
By numerical simulation, the servo system in this paper greatly reduces the aeroelastic stability. the structural flitter added to the system can reduce the coupling effect of servo system and structure mode and increase the flutter velocity
通過數值模擬發現，伺服系統會降低原有氣動彈性系統的穩定性，結構陷波器的引入可以減弱伺服系統和結構模態的耦合。 -
2. a systematic test has been carried out to observe how the model actuating frequencies and amplitudes affect the flutter derivatives, and the effect is found to be quite minor
通過系列試驗考查了模型驅動頻率和振幅對顫振導數的影響，驗證了驅動頻率和振幅對顫振導數影響很小。 -
At first, the finite element formulation is presented to determine the flutter characteristics of laminated panels at elevated temperature. then both the linear and nonlinear panel flutter characteristics are analyzed. the panel flutter boundaries are finally determined and the effect of temperature, airflow speed, etc, on the panel flutter characteristics is analyzed
為此，本文首先建立了復合材料壁板熱顫振的有限元模型並對受熱壁板的線性和非線性顫振特性進行了研究；最後確定了壁板的顫振邊界，分析了溫度、來流速度等因素對壁板顫振特性的影響規律。 -
The nonlinear panel flutter equations are also solved in time domain. the limit cycle flutter characteristics of nonlinear panel flutter are investigated and the effect of temperature and airflow speed on the nonlinear panel flutter characteristics is studied
通過對非線性壁板顫振方程的時域求解，研究了壁板的極限環顫振特性，得到了溫度、氣流速度等因素對非線性壁板顫振特性的影響規律。 -
The newmark method is used to solve the panel flutter equations in time domain. the linear flutter boundaries are determined and the effect of temperature on flutter boundaries is analyzed
編制了壁板顫振分析的有限元程序，採用newmark方法在時域中求解了壁板的線性顫振方程，確定了壁板的顫振邊界，分析了溫度對壁板顫振邊界的影響。 -
The dissertation presents the combined theoretical, numerical and experimental studies on the experimental modeling of the actuator, the design of test rig and control system, the modeling of two - dimensional airfoil aeroelastic system, the control design of active flutter suppression, and the effect of group delay in the digital filter on the stability of aeroelastic closed - loop system
本文通過理論分析、數值模擬與風洞實驗相結合的方法，研究了超聲電機作動器建模、翼段顫振實驗裝置和控制系統設計、二維翼段氣動彈性系統建模、顫振抑制控制律設計以及數字濾波器群時延對顫振抑制閉環系統穩定性影響等問題。 -
The mechanical model of panel flutter considering thermal effect is established by the use of von karman large deflection strain - displacement formulations, quasi - steady first - order piston theory aerodynamics and quasi - steady thermal stress theory. ( 3 )
採用vonkarman大變形應變?位移關系、基於一階活塞理論的氣動力公式以及準定常的熱應力理論建立了考慮熱效應時復合材料壁板顫振的力學模型。
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