查询词典 rigid body

Further topics include kinematics, particle dynamics, motion relative to accelerated reference frames, work and energy, impulse and momentum, systems of particles and rigid body dynamics.

更进一步探讨运动学，质点动力学，于加速坐标系上之运动行为、功、能量、冲量、动量和质点系统与刚体动力学。

Based on the upper limb being supposed as a rigid body and the joints being simplified, the relationship between the acromion and the center of the shoulder was measured by the positions of markers which was gotten by electromagnetic tracking system or three-dimensional measurement system based on general cameras.

在对人体上肢进行必要的简化和刚体假设的前提下，用电磁跟踪系统或三维摄像系统跟踪附着于肩峰和上臂上标记点的位置，根据本研究方法便可得到肩峰和肩关节中心的位置关系。

In this paper, the overall design scheme of one assault rifle prototype with double cyclic systems and variable firing rate is illuminated in brief and the related analytical models of one DOF and two DOF by the basic theory of dynamics of multi-rigid-body system is established. The calculating analogue program in VB computer language for analyzing the movement regularities of floating body of the assault rifle prototype with some universal property and function of man-machine conversation is completed. The comparison between the calculating results and the experimental results is conducted also.

本文对某步枪双循环变射频发射原理样机方案进行了简单的说明，应用多刚体系统动力学基本理论建立了原理样枪的一自由度和二自由度动力学分析模型，用VB编写了具有一定通用性和人机对话功能的自动机运动规律分析计算程序，并将计算结果与试验结果进行了比较，验证了数理模型的正确性。

We study the dynamic characteristics of loader linkages by multi-rigid-body and flexible-body dynamics theory.A finite element model neutral file of linkage is first generated in ANSYS.

以装载机工作装置主要受力件之一的连杆作为研究对象，结合多刚体动力学和柔性体动力学理论，建立连杆的刚-柔耦合运动学、动力学数学模型。

Point to take MQ2535 portal crane jib system as to research object, take finite element and mechanical kinetics as to theoretical fundamental, make use of ansys8.1 to emulate jib systemic at the course of luffing in dynamics , obtain luffing procedural dynamics data of rigid body and elastic body of the jib system , according to those data,which is to improve these system designs beneficial conclusion henceforth.

针对以上问题，本文以MQ2535门座起重机臂架系统为研究对象，以有限元和机械动力学为理论基础，借助ANSYS8.1对臂架系统的变幅过程进行了动力学仿真，得到了臂架系统刚体和弹性体变幅过程的动力学数据，从数据中得到了对今后改善该系统设计的有益结论。

The theory analysis in allusion to the direction framework of a kind of air suspension is processed taking use of Langrate method of the multi-body dynamics theory. At the same time the kinematics analysis of rigid body and elasticity is also processed based on Virtual Prototype Technique which is popular in the world and the changing orderliness of wheel alignment parameters along with wheel jumpiness is got.

应用多体动力学理论的Langrage方法对一种空气悬架的导向机构作了理论分析，并基于国际上流行的虚拟样机技术对其作了刚体运动学和弹性运动学的分析，得到了该型空气悬架定位参数随车轮跳动的变化规律。

One is equivalent dynamics of milt body model, and another is flexible-rigid body model.

同时通过试验对两种建模方法的有效性和可行性进行了验证。

The deformation of auto-body assembly is very small and it can be consider as rigid body.

本文提出一种新的车身装配三维偏差模型建模方法。

The concept of the MIMS is to attach the rigid body to the moving table using special clamps which each contain multi-axis load cells, and then to oscillate the body sinusoidally in roll, pitch and yaw using the table's actuators.

MIMS就是用特殊的夹具（每个都带有多轴力传感器）将刚性体安装在可移动的台上，然后利用平台的作动器进行侧倾，俯仰和偏航的正玄振荡。

For the purpose of simulating aerodynamically determined body motion, the governing equations of rigid body dynamics are coupled in the overall solution algorithm.

本文还研究了刚体动力学方程与流动方程的耦合求解方法，用于模拟由气动力决定的物体运动轨迹。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。