1) strong parametrical excitation
强参数激励
2) parametric and forced excitation
参数激励与强迫激励
1.
After establishing the dynamic equation of the system,it used the average method to study the primary resonance and fundamental parametric resonance under joint parametric and forced excitation,and the analytical solution for the system was obtained and verified numerically.
在建立了该系统的动力学控制方程的基础上,用平均法研究了参数激励与强迫激励联合作用下的主共振-基本参数共振,得到了系统的理论解,并对理论解进行了数值验证。
4) parametric excitation
参数激励
1.
A mathematical equation of submerged floating tunnel tether vibration under the effects of vortex and parametric excitation was presented to investigate the importance of its high-order vortex-induced lock-on vibration.
为研究悬浮隧道锚索高阶涡激非线性振动,建立了悬浮隧道锚索在涡街和参数激励作用下振动的数学方程,并用多阶伽辽金法对其进行了化简,运用四阶龙格-库塔法进行了数值求解。
2.
Consider the situation when the frequency of parametric excitation and forced excitation is double of natural frequency of yaw motion,the 1/2 sub-harmonic resonance yaw motions of ships are studied using nonlinear vibration theory.
本文利用非线性振动理论研究了参数激励频率和波浪的强迫激励频率相同且等于艏摇固有频率2倍时的船舶1/2亚谐共振运动,揭示了船舶在低速航行、遭遇频率相对较高时,积累艏摇运动导致横甩发生的机理。
3.
Dynamic evolution is analyzed with parametric excitation, periodically time varying sound inductance is a key network parameter, and a modulator is firstly introduced and this paper suggestes that it can be regarded as a capable index of thermoacousitc engine.
用参数激励机理的振荡理论分析了系统的演化过程,认为时变参数流感是系统演化的网络关键参数,提出了定量判据系统工作能力的指标调制度。
5) parametrically excited and forced oscillation
参数激励强迫振动
6) weak parametric excitation
弱参数激励
1.
Stability analysis of multiple degrees of freedom systems subjected to weak parametric excitations;
线性多自由度系统弱参数激励振动的稳定性分析
补充资料：椐椐强强
1.相随貌。
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参考词条