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dynamics analysis     
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  动力学分析
     Dynamics Analysis and Computer Simulation of RV12L6R Welding Robot
     RV12L-6R焊接机器人动力学分析及计算机仿真研究
短句来源
     Dynamics Analysis of Flexible Transmission for NC93WS-BF Kilns
     北方93WS-BF型回转窑柔性传动的动力学分析
短句来源
     The dynamics analysis results of cymbal transducer with ANSYS 5. 7 software are in good agreement with the measured results of cymbal transducer sample measured by POLYTEC PSV300-F Scanning Laser Vibro meter.
     ANSYS5.7软件的Cymbal换能器动力学分析结果与用POLYTEC PSV300-F Scanning Laser Vibro-meter型激光扫描仪对Cymbal换能器样品的实测值相近。
短句来源
     Inverse Dynamics Analysis of A 3-RRRT Parallel Robot
     3-RRRT并联机器人逆动力学分析
短句来源
     MATLAB dynamics analysis of the well drilling pump
     钻井泵的MATLAB动力学分析
短句来源
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  动力分析
     Research on BP neural network and its application in structure dynamics analysis
     BP神经网络及其在结构动力分析中的应用研究
短句来源
     The Method of Transfer Matrix on Dynamics Analysis of Frame Structure
     刚架结构动力分析的传递矩阵法
短句来源
     Dynamics Analysis on Guyed Transmission Tower System
     拉线式输电塔体系动力分析
短句来源
     This paper introduces a new method to analyze flexible linkage mechanism. The method adopt an accurate element equation which is derived from dynamics analysis of flexible multibody systems,meanwhile it has the close form as the equation of traditional KED (kineto-elastodynamic analysis). So its equation of sys- tem can be established and solved by KED method.
     介绍了一种新的运动弹性动力学分析方法,从严格的柔性多体系统动力分析理论出发,建立了柔性单元及系统运动方程,并将方程表为与常规 KED(kineto-elastodynamic analysis)方法相近似的形式,以便利用 KED 方法对其求解,以曲柄连杆机构为例进行运动弹性动力分析,结果表明,这一方法求解方便,且具有与多柔体系统动力学方法相近的精度.
短句来源
     IMPROVEMENT OF THE FINITE ELEMENT METHOD FOR ROTOR BLADE DYNAMICS ANALYSIS AND INTERNAL FORCE CALCULATION
     旋翼桨叶动力分析及内力计算中有限元法的改进
短句来源
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  力学分析
     Dynamics analysis to reducer′s case of DQ70 top drive drilling device
     DQ70顶驱动力水龙头箱体力学分析
短句来源
     Dynamics Analysis and Finite Element Analysis on Chain-type Overstep Clutch
     链式超越离合器的力学分析及有限元分析
短句来源
     Accurate cutting volume is necessary to PDC bit optimization design and dynamics analysis. On the basis of description of PDC-cutter geometry,considering overlaps among cutting trajectories of cutters caused by angular position differences while rotary drilling,computation methods of cutting volumes.
     PDC钻头优化设计和力学分析都需要准确计算切削体积,本文在PDC钻头切削齿几何描述的基础上,考虑到钻头旋转钻进时因切削齿周向角不同,即切削次序不同而造成的相互覆盖,建立了切削切削面积、切削体积的计算方法,编制了计算机程序,给出了计算实例.
短句来源
     FRACTURE DYNAMICS ANALYSIS OF HOOP COLLAPSING
     轮箍崩箍的断裂力学分析
     Dynamics analysis and optimization for inclined shaft steel rope-supporting roller system
     斜井提升钢丝绳地辊系统的力学分析与优化问题
短句来源
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  动态分析
     Impact Test Dynamics Analysis of Aeronautical Wrought Al Alloy LD2
     航空锻造铝合金LD2的冲击试验动态分析
短句来源
     2-D Learning Dynamics Analysis of Iterative Learning Control for Continuous-time System with Variable Initial Condition
     连续系统的迭代学习控制:可变初始状态下2-D学习动态分析
     Dynamics Analysis and Numerical Simulation on the Major Girder of JQ900 Crane
     JQ900型架桥机主梁动态分析与数值仿真
短句来源
     Race dynamics analysis of rice blast in Liaoning Province in 1991-1995.
     1991~1995年辽宁省稻瘟病菌种群动态分析
短句来源
     Study on Bank Supervision : Dynamics Analysis
     银行监管研究:动态分析
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  dynamics analysis
The propulsive performance and vortex shedding of an oscillating foil, which mimics biological locomotion, are investigated based on a computational fluid dynamics analysis.
      
Application of computational fluid dynamics analysis for improving performance of commercial scale selective catalytic reduction
      
Computational fluid dynamics analysis of a wire-feed, high-velocity oxygen fuel (HVOF) thermal spray torch
      
The apparent scale effect on friction of single-asperity sliding was investigated with the aid of a molecular dynamics analysis.
      
A process control chart is proposed for DC plasma spraying process based on the in-flight simulation of the injected states of the particles determined by computational fluid dynamics analysis (via FLUENT V4.3).
      
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The work summarized in this paper aims at improving the accuracy of rotor blade dynamics analysis,and that of its internal force calculation in particular,by the finite element method.A family of nonuniform rotating beam conforming elements is developed.Also,it is proposed how the internal force of the blade can be calculated directly from the node displacement by means of the dynamic stiffness matrix of the finite element("dyna-mic stiffness method" for short).In illustration the natural frequencies,mode...

The work summarized in this paper aims at improving the accuracy of rotor blade dynamics analysis,and that of its internal force calculation in particular,by the finite element method.A family of nonuniform rotating beam conforming elements is developed.Also,it is proposed how the internal force of the blade can be calculated directly from the node displacement by means of the dynamic stiffness matrix of the finite element("dyna-mic stiffness method" for short).In illustration the natural frequencies,mode shapes and bending moments of a blade flapwise bending vibration have been calculated.Numerical results are presented for a typical case.The blade has discontinuosly varying bending stiffness and mass distribution along the spanwise direction.The nonuniform rotating beam conforming elements with displacement functions based respectively on the 3rd,5th and 7th order polynomial and the "dynamic stiffness method" are used in the calculation.The results show that the work has attained the predetermi-nate goal.

提高用有限元法进行桨叶动力分析、特别是动内力计算的精度是本文工作的主要目的。本文建立了变剖面旋转梁协调单元族;提出利用单元动刚度矩阵直接由节点位移计算桨叶内力(简称为计算内力的“动刚度法”)。作为例子,用所导出的不同精度的有限单元和建议的内力计算方法计算了具有不连续结构特性的变剖面桨叶弯曲振动固有频率、振型和模态内力。计算结果表明,工作可以达到预期的目的。

The main purpose of the work described in this paper is to improve the accuracy of rotor blade dynamics analysis, especially, that of internal force calculation by the finite element method. A family of nonuniform rotating beam confoming elements is developed. The explicit expressions for the geometrical stiffness matrices of tha elements with displacement functions based respectively on the 3rd, 5th and 7th order polynomical are given. This paper also presents a method'called "dynamic stiffness method"...

The main purpose of the work described in this paper is to improve the accuracy of rotor blade dynamics analysis, especially, that of internal force calculation by the finite element method. A family of nonuniform rotating beam confoming elements is developed. The explicit expressions for the geometrical stiffness matrices of tha elements with displacement functions based respectively on the 3rd, 5th and 7th order polynomical are given. This paper also presents a method'called "dynamic stiffness method" by which the internal force can be calculated directly from the node displacement. As illustrative examples, the natural frequencies, mode shapes and bending moments of blade flapwise bending vibration are calculated. The results show that the purpose of the work can be achieved.

提高用有限无法进行桨叶动力分析、特别是内力计算的精度是本文工作的主要目的。本文建立了变剖面旋转梁协调单元族,给出了位移函数为三次、五次、七次幂多项式时变剖面旋转梁协调元的几何刚度矩阵显表达式。文中还提出了直接用节点位移计算内力的“动刚度法”。作为例子,用所给出的有限元和方法计算了桨叶弯曲振动固有频率、振型及模态弯矩。计算结果表明,工作可以达到预期的目的。

This article goes into details on six setions such as construction, principle, dynamics analysis, deck, self-synchronous working principle of dual asynchronous moter and field test results of a linear reciprocating shale shaker. The field tests show that this type of shale shaker is suitable for fine grain screening. It is characterized by volumes of mud handling capacity, long service life deck, and is convenient to assemble and disassemble. These features are practically worth while developing and popularizing...

This article goes into details on six setions such as construction, principle, dynamics analysis, deck, self-synchronous working principle of dual asynchronous moter and field test results of a linear reciprocating shale shaker. The field tests show that this type of shale shaker is suitable for fine grain screening. It is characterized by volumes of mud handling capacity, long service life deck, and is convenient to assemble and disassemble. These features are practically worth while developing and popularizing the linear reciprocating fine screen-shaker during drilling operation from now on.

本文对JS2型泥浆直线振动筛的结构、原理、动力学分析、筛板、双异步电机工作的自同步原理、现场试验效果等部分做了较详尽的介绍。试验表明,该筛适于细粒级筛分,处理泥浆量大,筛板寿命长、装拆方便。文章对今后研制和推广应用直线振动细网筛有着参考价值。

 
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