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动参考系
相关语句
  motion coordinating system
     There has been theorem developed to expound the multiplex motion of a moving point whose related motion entails only one motion coordinating system.
     动点在作复合运动时 ,若动点的牵连运动只涉及到一个动参考系时 ,则动点的速度合成已有相应的定理。
短句来源
  “动参考系”译为未确定词的双语例句
     On the Principles of Choosing the Motion Point and the Moving Coordinates System
     关于动点和动参考系的选取原则
短句来源
     By analyzing and with an example, it is argued that most of speed resolving problem may be solved by simpler base-point method,without the calculation of coriolis acceleration.
     本文通过分析和实例,论证了动参考系为转动时的大部分加速度问题可以不计算科氏加速度而采用较简单的基点法求解。
短句来源
     On the basis of the assumed conditions for the continuous miner, with the methods dynamics analysis of mechanical system and model building, continuous miner's movement and interaction with the ground are described through the global coordinates, the relative coordinates and fixed-body coordinates. The dynamic analysis and model building are carried out of the steering procession on the hard level ground.
     在对连续采煤机的假设条件的基础上采用机械系统动力学分析与建模通用方法,通过总体参考系、动参考系、连体参考系来描述连续采煤机与地面运动和相互作用关系,对其在水平硬地面转向过程进行了动力学分析和建模。
短句来源
  相似匹配句对
     On the Principles of Choosing the Motion Point and the Moving Coordinates System
     关于点和参考系的选取原则
短句来源
     Analysis on dynamic filtration
     失水分析
短句来源
     DYNAMIC LOADING OF DRIVING TRAIN ON BRIDGES
     列车
短句来源
     International Celestial Reference System
     国际天球参考系
短句来源
     Cosmic Center-of-mass Frame
     宇宙质心参考系
短句来源
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  moving reference
While the Mansouri-Sexl theory in principle allows for an anisotropy of the velocity of light with respect to a moving reference frame, anisotropy effects cancel out in Ives-Stilwell type experiments.
      
It is shown that for multiple moving reference frames, such as that encountered in a shock-wave/moving-body interaction the choice of reference frame can result in a Mach number that can either increase or decrease across the shock.
      
The flow is steady when viewed in a moving reference frame and gives rise to a quasilinear elliptic problem with an eigenvalue parameter related to the wave speed.
      
Unlike progressive (or steady) Stokes waves, standing waves are not stationary relative to a moving reference frame.
      
In visual perception complex movements are usually split up into components - e.g., in such a way that a moving reference system is applied, to which partial movements can be related.
      
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  moving reference frame
While the Mansouri-Sexl theory in principle allows for an anisotropy of the velocity of light with respect to a moving reference frame, anisotropy effects cancel out in Ives-Stilwell type experiments.
      
The flow is steady when viewed in a moving reference frame and gives rise to a quasilinear elliptic problem with an eigenvalue parameter related to the wave speed.
      
Unlike progressive (or steady) Stokes waves, standing waves are not stationary relative to a moving reference frame.
      
With this purpose, a strict formal definition of a non-inertial co-moving reference frame without rotation is carried out on the basis of a tetrad formalism by use of the Fermi-Walker rules of transport of 4-frame.
      
The dispersion relation is derived in the co-moving reference frame.
      
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This paper presents the dynamic analysis of a dobby shedding mechanism.Inthe Kinematic analysis,taking the oscillatory slider as a moving reference frame,the authors establish,relative motion relations of the cam-rocker mechanism thehigh-power algebraic equation solved by indirect method,and the numelcal solutionsof the non-linear equations for the six-bar linkage obtained.In dynamic analysis,the authors set up dynamic equatlons of the entire mechanism and find the solutions.From the results of dynamic analysis,it...

This paper presents the dynamic analysis of a dobby shedding mechanism.Inthe Kinematic analysis,taking the oscillatory slider as a moving reference frame,the authors establish,relative motion relations of the cam-rocker mechanism thehigh-power algebraic equation solved by indirect method,and the numelcal solutionsof the non-linear equations for the six-bar linkage obtained.In dynamic analysis,the authors set up dynamic equatlons of the entire mechanism and find the solutions.From the results of dynamic analysis,it can be seen that the mechanism is suitablefor operation at high speed and under heavy loads.

本文对新型多臂开口机构进行了动力分析。作者取摆动滑块为动参考系,导出了凸轮-导杆机构的相对运动关系式,并用间接法找到该高次方程的解。对于六连杆机构的非线性方程组求得其数值解。对整套机构建立动力学方程,并得到相应的结果。

A method to reduce the model error of Hill equation in large relative distance case is proposed in this paper, by coordinate shifting to reduce the large relative distance of original system to a small one in new system. That is, as the relative distance of interceptor is up to ρ1 (ρ1 is defined as a controlled precision parameter, for example,ρ1= 500km) .an imaginary moving reference system with its origin at the interceptor's instantanious position is set up, thus the relative motion parameters of the interceptor...

A method to reduce the model error of Hill equation in large relative distance case is proposed in this paper, by coordinate shifting to reduce the large relative distance of original system to a small one in new system. That is, as the relative distance of interceptor is up to ρ1 (ρ1 is defined as a controlled precision parameter, for example,ρ1= 500km) .an imaginary moving reference system with its origin at the interceptor's instantanious position is set up, thus the relative motion parameters of the interceptor in original system are translated into those in the new system (obviously the initial relative distance in the new system will be. As a result, the large distance problem becomes a small one, the describing precision of Hill equation is improved. This paper provides a theoretical analysis for this method and two examples of computer simlation.

提出了一种通过坐标系移动,化原系中的大相对距离为新系中的小相对距离,以减小Hill方程在大相对距离时的模型误差的方法,即当拦截器的相对距离达到某一精度许可的值ρ_1时(定义ρ_1为精度控制参数,例如可取ρ_1=500km),以拦截器位置为原点,建立一假想的动参考系,将拦截器在原动系中的相对运动参数转换为新系中的相对运动参数(显然在新系中的初始相对距离),从而化大相对距离为小相对距离问题,提高Hill方程的描述精度。本文给出了方法的理论分析及两个计算机仿真实例,该法确可有效地减小Hill方程在大相对距离时的模型误差,结果是令人满意的。

Using three dimension isoparametric element the dynamic behaviors for structures with isotropic or othortropic materials subjected to hypervelocity impact have been-simulated. The governing equations are derived in the moving coordinate system of the coupled Eulerian and Lagrangian model based on the hydrodynamic-elastic-viscoplastic model.

本文在耦合欧拉──拉格朗日动参考系中,基于流体弹粘塑性理论,用三维等参元对各向同性材料及正交各向异性材料在超高速碰撞下的动力响应进行了数值模拟。

 
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