首次给出了强非线性强迫振动解的完整结构。
At the first time, a complete structure of solution to forced oscillations of systems with strong nonlinearity is obtained.
自由与强迫振动。
建立了正弦波纹扁球壳的非线性强迫振动微分方程；
The differential equations of nonlinear vibration of the shell were obtained.
本文研究一类高阶泛函偏微分方程边值问题的强迫振动性。
In this paper we study the forced oscillations of boundary value problems of a class of higher order functional partial differential equations.
建立了这类系统在两类不同边界条件下强迫振动的若干判别准则。
Several forced oscillation criteria are established for such systems subject to two different boundary conditions.
本文对均匀流中静止方柱和横向强迫振动的方柱进行了实验研究。
Experiments on a square-sertion cylinder fixed and forced to oscillate transversely in uniform stream were conducted in a water tank.
介绍用迭代方法求解直升机桨叶气动载荷中的非线性强迫振动方程。
An iterative computation method for nonlinear forced vibration equation on helicopter blade aerodynamic load is given.
结果表明，岸边的潮位变化主要是由于台风引起的强迫振动造成的。
The results show that the surges near the shore are mainly caused by forcing waves.
新型灌注沉桩机采用偏心块振动式机构，强迫振动土壤破裂下沉桩管。
The new type of pile engine of grouting adopts structure of eccentric block vibration, setting pile by forced vibration soil to be broken.
系统谐响应分析和强迫振动分析结果通过传动系统扭振实验得到了验证。
The harmonic responses and forced vibration are analyzed and the results are verified by the system's torsional vibration testing.
研究了电磁场环境下机械载荷作用圆形导电薄板的磁弹性强迫振动问题。
Magnetoelastic forced vibration of a thin round plate subjected to mechanical loading in magnetic field is studied.
本文研究了厚度呈幂指数规律变化的变厚度圆饭的非线性强迫振动问题。
In this paper, the nonlinear forced vibration of circular plates with thicknesses varying according to power indexes are studied.
本文给出了采用复阻尼理论时正交各向异性连续板强迫振动问题的稳态介。
In this paper, the solution of steady forced vibration for continuous orthotropic plates is given on the basis of complex damping assumption.
根据刚度耦合原理，并考虑轴系强迫激励进而建立了扭纵耦合强迫振动模型。
According to coupling principle and excited force of shafting system, a model of coupled torsional-axial forced vibration can be constructed.
用多台起振机进行稳态强迫振动试验，测定了该坝前十阶自振频率、阻尼和振型。
The first ten natural frequencies, damping ratios and mode shapes of the dam were measured through steady forced vibration test using multiple vibrators.
通过所建理论模型及铣削试验讨论了铣削过程中强迫振动、颤振的产生条件及特点。
Through the theoretical model and milling experiment they discuss the condition of producing forced vibration and chatter in milling process and the chatter characteristics.
二维平行壁面剪切流动进入混沌的现象可用含二次非线性项的强迫振动方程来描述。
The bifurcation and chaotic process of two-dimensional parallel wall shear flows are described by the forced oscillation equation containing a square nonlinear term.
按照振动驱动机制不同，节段模型试验方法可分为自由振动法和强迫振动法两大类。
According to different driving ways of vibration, the sectional model test methods can be classified into two major categories, i. e. free-vibration method and forced-vibration method.
计算结果表明，疲劳裂纹不仅使悬臂梁的固有频率下降，而且引起非线性强迫振动响应。
The results show that the fatigue crack not only decreases the natural frequency, but also causes non linear vibration.
然后，采用Runge - Kutta方法求解了多种参数下的自由振动和强迫振动。
Then, the free vibration and the forced vibration of the rotor are obtained by means of Runge-Kutta method.
设计参数合理的外弹性阻尼支承可以明显改善轴承-转子系统的固有特性及强迫振动响应。
External elastic damping support, if designed reasonably, may obviously improve the natural or forced vibration response characteristics of bearing rotor systems.
本文利用确定性模型系统的的强迫振动响应信息对系统的刚度和阻尼结构参数进行了认别。
In this paper, using the information of the forced vibration response of the deterministic modal system, identification are made for the parameters of the stiffness and damping structure.
还研究了工作叶片强迫振动方程的解，用它阐明了试验中出现的叶片动态响应和拍振等现象。
The solution of the blade forced vibration equation is investigated, so that the pheNomena appeared in the tests such as dynamic response of the blade and beat can be well explained.
试验及分析表明，该车摆振主要为强迫振动，通过控制激振源、增大转向系统阻尼可抑制摆振。
The test and analysis show that the shimmy is a forced vibration and can be restrained by controlling excitation source and increasing steering system damping.
本文针对四缸发动机建立了四自由度有阻尼强迫振动数学模型和反求平均指示压力的数学模型。
In this paper, the mass elastic damping torsional vibration model of 4 degrees of freedom and the reversal simulation model reconstructing IMEP are constructed.
通过研究一类高阶泛函偏微分方程边值问题的强迫振动性，建立了边值问题解的振动的充分条件。
The forced oscillations of boundary value problems of a class of functional partial differential equations are studied.
根据力学系统与电学系统物理量间的对应关系，提出了用电路定律处理线性离散系统谐强迫振动的方法。
Making use of the analogous relations between mechanics and electrical circuit, a method is presented to deal with linear discrete system.
根据力学系统与电学系统物理量间的对应关系，提出了用电路定律处理线性离散系统谐强迫振动的方法。
Making use of the analogous relations between mechanics and electrical circuit, a method is presented to deal with linear discrete system.
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