有限转动角的计算和迭加方法与线位移不同。
The method for computing finite rotations is different from that of the translation displacements.
为了方便描述曲梁横截面的有限转动，引入了转角伪矢量的概念。
A rotational pseudovector is introduced for conveniently describing the finite rotations of cross-sections.
借助于四元数理论证明了任意顺序下刚体有限转动合成的可交换性定理。
With the help of the theory of quaternions the theorems of commutativity of composition for the finite rotation of rigid body are proved in the any order.
并用此法方便地证明了刚体的有限转动定理，进行了刚体有限转动的合成。
Moreover, this method is conveniently used to prove the theorem for finite rotations of a rigid body, and to compose the finite rotations of a rigid body.
提出一种在绝对坐标系中建立小应变有限转动平面梁动力学方程的有效方法。
An effective method is presented to derive the equations of finite-rotation plan beams.
对变速转子准稳态主动平衡系统，可按一定时间步长把变转速离散成有限个转动角速度。
For a quasi steady-state active balancing system of a speed-varying rotor, according to certain time steps the varying speed of the rotor is discretized into finite constant angular speeds.
用有限差分法还可求出机构的等效力（矩）和等效质量（转动惯量），从而可求解机构在已知外力作用下的真实运动。
The generalized force and generalized inertia coefficient may also be calculated by finite difference method, and so the actual motion of mechanisms subjected to known active forces may be analyzed.
导叶设有限位装置，剪断销剪断的导叶不能随意转动，避免与其他导叶碰撞。
Guide vanes have inhibiting device, and the guide vane which has been cut off will not spin in order to avoid collisions with other guide vanes.
地质-地球物理综合计算法包括非线性大变形数值模拟法及有限变形转动场法等。
Comprehensive geological geophysical computations include nonlinear numeric modeling of large deformation and rotating method of limited deformation.
采用平面应变有限元方法研究了晶须转动对晶须增强铝基复合材料热压缩变形行为的影响。
The effect of the whisker rotation on the hot compressive deformation behavior of the whisker reinforced aluminum matrix composite is investigated by the plane strain finite element method.
深圳思比得电器有限公司经销的电源插座、节能插座、工程地拖、灯头、固定插头、带线插座、转动插头、拉线开关品种齐全、价格合理。
LtdDistribution outlet, engineering and drag, lamp, fixed plug, with cable outlet, turn the plug, cable switch range, price is reasonable. Shenzhen SIBIDeElectric Co.
利用有限元方法，完成对望远镜主转动框架的结构静力分析和模态分析。
The structural static analysis and modal analysis of main rotational frame of telescope are carried out by integrating finite element method in this paper.
利用有限元方法，完成对望远镜主转动框架的结构静力分析和模态分析。
Static analysis and modal analysis on the structure of telescope main rotary frame was achieved by means of finite element method.
该文着重研究单链开环机构操作机在有限制转动或移动关节时的位置奇异曲面的求解问题。
The paper tries to resolve the singular surfaces of the manipulator with single open loop structure and limited revolution or translation joints.
在所述的锁体上部内设有限位挂钩，在转动卡爪的转盘一侧设有与限位挂钩对应的挂柱；
A limit latch is placed inside the upper part of the lock body, and a hanger column corresponding to the limit latch is placed on one side of the rotary disc of the rotary claw.
旋压成形中旋轮被动转动是一个重要的边界条件，在有限元分析中需要时实确定旋轮的转速。
The circumrotation of roller in metal spinning forming is a important dynamic boundary condition. The speed of roller need to be determine in real time in the process of finite element analysis.
旋压成形中旋轮被动转动是一个重要的边界条件，在有限元分析中需要时实确定旋轮的转速。
The circumrotation of roller in metal spinning forming is a important dynamic boundary condition. The speed of roller need to be determine in real time in the process of finite element analysis.
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