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bars with variable cross section
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  “bars with variable cross section”译为未确定词的双语例句
     In this paper, elastic stability of the compressed bars with variable cross section is analysed by the finite element method Critical load and calculating length coefficient of the compressed bars with variable cross section can be calculated The results show that the method is characterized by its convenience of calculation and computer processing Hence, it may serve as an supplement to the classic theory
     利用有限元法对变截面压杆进行弹性稳定性分析 ,可以计算变截面压杆的临界荷载及相应的计算长度系数。 计算结果表明 ,这种方法具有计算简便、便于计算机处理等特点 ,是对经典理论成果的补充与完善。
短句来源
     In this paper,a new method of element analysis for bars with variable cross section is proposed.
     以一种新的思路和做法对变截面直杆进行单元分析。
短句来源
  相似匹配句对
     FEM for calculating stability of variable cross-section compression bars
     变截面压杆稳定计算的有限单元法
短句来源
     ELEMENT STIFFNESS MATRIX FOR CURVED BARS WITH SYMMETRIC VARIABLE CROSS-SECTION
     对称变截面平面曲杆的单元刚度矩阵
短句来源
     Semi-analytical Approach for Stability of Variable Cross-section Compression Bars
     变截面压杆稳定问题半解析解
短句来源
     The accurate equation of element stiffness matrix for variable cross section bars
     变截面直杆单元刚度矩阵的精确式
短句来源
     Inner Force Analysis for Bars with Variable Cross-Section of Rectangular Tunnel
     矩形隧道中变截面杆件的内力分析
短句来源
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  bars with variable cross section
Longitudinal wave propagation in bars with variable cross section
      


A nonuniform nonhomogeneous bar with variable cross section is divided into many segments. When each segment is of short length, it is regarded as to be uniform and homogeneous. The differential equation satisfied by each segment is solved accurately, then a transmitted formula is obtained by using continuous conditions between segments. Finally, solution to natural frequency is given by means of boundary conditions.

对于非均质变截面杆,我们把它划分为很多的小段,当每段的长度很小时,可认为在每段内是均质等截面杆。这样,每段杆所满足的微分方程就可精确求出;然后,利用段与段之间的连续条件导出了一个传递公式;最后,利用边界条件求出了固有频率。

In this paper, using the similarity between the longitudinal free vibration of a bar with variable cross section and the beam bending the longitudinal vibration function is obtained from the moment on the cross section of the bending beam. For some specified variation of cross section area of the bar, the formulae for calculating the frequency of the longitu-dinal vibration of the bar are proposed.

本文根据均质变截面直杆的纵振与等截面直梁的弯曲问题的一些相似性质,把求变截面直杆纵振函数变为求梁弯曲时的截面上的弯矩问题。对应于杆的横截面面积的某些变化规律,得到了求杆的纵振函数及固有频率的计算公式。

From the motion equation of the bar which vibrates one-dimensionally and longitudinally,the model ofmechanical four-terminal network and the transfer equations are set up,and the transfer parameters of the four-ter-minal networks of some frequently used bars with variable cross-sections are given.The frequency equations and theratios of two terminal vibration velocities of ultrasonic transducers and horns are analysed,and the...

From the motion equation of the bar which vibrates one-dimensionally and longitudinally,the model ofmechanical four-terminal network and the transfer equations are set up,and the transfer parameters of the four-ter-minal networks of some frequently used bars with variable cross-sections are given.The frequency equations and theratios of two terminal vibration velocities of ultrasonic transducers and horns are analysed,and the vibration mode andstress distributions of the vibration system of our ultrasonic surgical knife are calculated .It is very efficient to designall kinds of ultrsonic transducers,horns and any complicated vibration systems of their combinations.

从变截面杆作一维纵振动的运动方程出发,建立了机械四端网络的数学模型及传输特性方程,给出了几种常用变截面杆的四端网络传输参数。分析了超声换能器和变幅杆的频率方程及两端振速比,计算了超声手术刀振动系统的振型及应力分布。四端网络设计方法可有效地设计各种换能器。变幅杆以及由它们组合的复杂振动系统。

 
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