运动方程

The insurmountable difficulties of traditional control strategy in isolating vertical vibration and controlling micro-oscillation may be overcome by employing magnetic levitation technique.As a fundamental research of this technology,the governing equitation of rigid uniformity magnetic suspension pole is derived.

采用磁悬浮技术可以解决传统控制方法在竖向隔震、微振控制等方面所面临的难题，作为这项技术应用基础研究，本文建立了磁悬浮均匀等直刚杆的运动方程，讨论了方程的稳定性，给出了随机地面扰动输入下求解非线性振动解的Runge-Kutta格式，并对悬浮刚杆在任意输入下的响应进行了分析。

In this paper, the idea of " centrifugal potential field ",which induced by large overall rotation is introduced, and the motion equation of a coupled rigid-flexible system by employing Hamilton's principle is established.

本文从离心力势场的概念出发，应用Hamilton原理建立了具有动力刚化效应的刚柔耦合系统的运动方程，证明了该方程解的周期性，并采用了Frobenius方法给出了其精确解的一般形式。

Mechanical inertia identification method was deduced from the current model and the mechanical model of the PM motor.The gain of the speed controller was obtained through the mechanical inertia,a group of controller gains obtained through several turns of identification.

首先通过电机电流和电压方程以及运动方程推导出转动惯量的计算方法，再根据系统的转动惯量计算出速度控制器参数，在进行多次辨识和计算后，可以得到一组速度控制器参数。

There exists a dual symmetry between the equations of motion and the Maurer-Cartan equations of the type IIB superstring on AdS〓 S〓. We generalize the finite dual transformation to the infinitesimal dual transformation by the twisted dual.

根据Euler-Lagrange运动方程与Maurer-Cartan方程的扭曲对偶变换，我们可得到AdS〓×S〓中IIB超弦的Lax平联络及其相应的可积的相容条件，由此可以说明体系是一个可积系统。

The transient free-surface Green function was used to formulate the integral equation on the body surface.

采用时域自由面 Green 函数将定解问题转化为物面上的积分方程，进而求解水动力系数和船舶运动方程。

In accordance with the situation that the damping was the non-classical damping,the structure was asymmetric,and random wind spectrum was irrational fraction wind spectrum,the equations obtained were decoupled with the complex mode theory.

建立运动方程，用第一振型将主体结构展开，针对非经典阻尼和非对称结构以及脉动风谱为非有理分式风谱的情况，运用复模态理论将所得方程进行解耦，获得了以第一振型表示的结构随机风振响应的解析解。

On the basis of classical lamination theory and large deflection hypotheses of plate, the equilibrium and compatibility equations of simply supported composite laminated plates were obtained. The nonlinear partial differential equations are transformed into the ordinary differential equations of Kronecker tensor product by series expansion and solved numerically by the fourth-order Runge-Kutta method.

基於经典的层合板理论及板的大挠度基本假设，得到四边简支层合板的非线性运动方程及变形协调方程；用级数展开把非线性偏微分方程组化为易於求解的Kronecker张量积形式的二阶常微分方程组，并由四阶Runge-Kutta法数值求解。

Based on the Lagrangian equation with dissipation function, the motion equation of a microbubble with shell is obtained, and the dynamic characteristics of microbubble with shell in free space are studied. It shows that the inner and outer maximum radii of the microbubble increase when the acoustic pressure and its initial radius increase, as well as when the ultrasonic frequency decreases.

理论上利用有耗散函数的Lagrange方程，建立了有壳微泡的R运动方程，开展了自由空间中有壳微泡动力学特性的研究，表明微泡内外半径增量随声压的增大、超声频率的降低、初始内径的增大及壳厚的减薄而迅速增大。

Starting from the quantum hydrodynamic equation of electron and photon kinetic equation, photon Landau damping is discussed.

从电子的量子流体动力学方程和动理学描述下的光子运动方程出发，研究量子效应对光子朗道阻尼的修正。

The dynamic stability of the shell under axial compression is analyzed qualitatively by the linear equation of motion. There are three kinds of equilibrium state with different value dynamic parameter. They are stable,neutral and unstable equilibrium respectively.

利用线性的运动方程对轴压圆柱壳稳定性进行了定性分析，依动力学参数取值范围的不同，方程的解有稳定平衡、中性平衡和不稳定平衡三种情况，并给出了动力学参数与载荷参数之间的依赖关系。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。