加速度瞬心,instantaneous center of acceleration
1)instantaneous center of acceleration加速度瞬心
1.based on analysing acceleration with method of base point,analyses how thelocation of theinstantaneous center of acceleration is fixed under different circumstances anddetermines rapidly and accurately the acceleration of various points on the rigid bodyes of plannarmotion with the analytic method of the instant aneous center of acceleration.以基点法分析加速度为基础，分析各种情况下加速度瞬心位置，并利用加速度瞬心的分析方法快速、准确地确定平面运动刚体上各点的加速度。
2.The instantaneous center of velocity and theinstantaneous center of acceleration for rigid bodies in plane motion are presented in this paper,and some methods of ascertaining are given,using the theorem of momentum moment of instantaneous center of velocity and acceleration can simplify in some problems.分析了刚体平面运动中的速度瞬心与加速度瞬心,总结了确定它们的方法,并用实例说明了对速度瞬心和加速度瞬心的动量矩定理在解决一些问题时能使问题简化。
英文短句/例句
1.CONFIRMING OF THE CENTER OF ACCELERATION AT INITIAL INSTANT OF MOTION AND ITS APPLICATION;运动初瞬时加速度瞬心的一种确定方法及应用
2.The point is named instant center acceleration.这一点称为刚体的瞬时加速度中心.
3.Method of Projection and Instantaneous Centre to Researchon the Accelerations of Points in a Planarly Moving Body;平面运动加速度分析的投影法及瞬心法
4.The instantaneous center method of plane complex linkages;平面复杂机构速度分析的速度瞬心法
5.instantaneous state of velocity瞬时速度, 速度的瞬时状态, 速度瞬时值
6.The characteristics of the acceleration of the instantaneous velocity center( IVC) were presented, and the trajectory equation for pure rolling of rigid body( PRORB) was developed.分析了瞬心的加速度特性，建立了刚体平面纯滚动的轨迹方程。
7.all-burnt acceleration完全燃尽瞬间加速度-火箭
8.Prompt acceleration with high gradients has advantages.利用高梯度达到瞬间加速有它的好处。
9.Instantaneous Velocity Center and Its Application in Mechanism Velocity Analysis速度瞬心及其在机构速度分析中的应用
10.Theorem of momentum quadrature of comparative speed in movement of rigid body;刚体平面运动时相对速度瞬心的动量矩定理
11.The Relative Speed Gear Instantaneous Center Theorem of Three-Gear Mechanisma and Its Application三齿轮机构的相对速度瞬心定理及其应用
12.engine cut-off velocity发动机停车瞬时速度
13.It is called the centripetal acceleration.这叫做向心加速度。
14.Coriolis acceleration互补［复合向心］加速（度）
15.Visual Processing Speed,Temporal Visual Information Processing and Chinese Learning Difficulties视觉加工速度、瞬间信息整合特征与汉语学习困难
16.Judgement and Application of Ignition Moment During Engine Startup Period Based on Crankshaft Transient Acceleration Analysis基于曲轴瞬时加速度分析的发动机启动过程着火判定与应用
17.Research on Feedrate Optimization for Mould Cavity Machining Based on Instantaneous Milling Force Model;基于瞬时铣削力模型的模具型腔数控加工进给速度优化研究
18.Study on Milling Helical-surface Machining Tech Nique with Four-axial Non-instaneous Envelop;四自由度无瞬心包络铣削螺旋曲面加工方法研究
相关短句/例句
instantaneous acceleration center加速度瞬心
1.This article puts forward the similarity between theinstantaneous acceleration center of plane motion of rigid body and the acceleration center of the fixed axis rotation of rigid body and gives the method of locating theinstantaneous acceleration center of plane motion according to the characteristic of the rotating center of the fixed axis of the rigid body.本文提出平面运动刚体加速度瞬心与定轴转动刚体的加速度中心的相似性 ,给出按刚体定轴转动的转动中心的特点求平面运行加速度瞬心的方法。
3)acceleration of instantaneous center瞬心加速度
4)method of intantaneous center of acceleration加速度瞬心法
5)circularity of instantaneous centre of zero acceleration加速度瞬心园
6)line of instantaneous centre of zero acceleration加速度瞬心线
延伸阅读
加速度瞬心在刚体平面运动中，刚体的任一平行于某固定平面的截面图形S（或其延伸）在任何瞬时,只要它的角速度和角加速度都不为零，则必有加速度为零的一点Q┡，称为加速度瞬心。如以加速度瞬心Q┡为基点，则截面图形（或其延伸）内的加速度分布情形就同它只绕固定平面上和Q┡重合的一点转动时一样,这时图形上任一点Q的加速度 式中ω和ε为图形的瞬时角速度和瞬时角加速度;v垘是Q相对于Q┡的速度 （见图）。速度瞬心P┡和加速度瞬心Q┡一般不重合。加速度瞬心具有速度vQ┡，而速度瞬心具有加速度aP┡,它们分别为：aP┡＝×ω＝ω2ρ＊n＊，，式中＝vP┡为速度瞬心沿其轨迹的迁移速度；ρ＊为约化曲率半径；t＊和n＊为两条瞬心轨迹在切点处的切向和法向的单位矢。
