1) straight bar
直杆
1.
The strain ε,the stress σ and the displacement u(x,t) of straight bar are relevant to the shift speed a of the right propagational wave.
结果表明 ,细长针杆的应力波由右传播波和左传播波组成 ,其中直杆部分的应变ε、应力σ和位移u(x ,t)与右传播波移动速度a密切相关 ,a值取决于材质 (E ,ρ)或外因 (V)和内因 (ε) ;锥杆部分的应变ε(x ,t)和位移u(x ,t)主要取决于设计因素 (l) ,其次取决于材质 (E ,ρ)和性能 (ε) ;直 锥组合杆的应力为 :σn=σZn[lnln-xn] ,某级直 锥组合杆的锥部截面为结构薄弱处或性能薄弱处。
2.
the relation between deformation and displacement,the equilibrium equation and the princi pie of virtual displacement for straight bars in plane banding is derived.
本文推导出直杆平面弯曲时的变形与位移关系式、平衡方程和虚位移原理。
3.
This paper gives an exact solution for free vibration of a physically nonuniform straight bar with vary-ing section by the use of a class of integrable linear ordinary differential equation.
本文应用可积的一类线性微分方程求出了非均质变截面弹性直杆振动问题的一个精确解,我们应用这一精确解验证了渐近解的精确度。
2) bars
[英][bɑ:z] [美][bɑrz]
直杆
1.
Analysis of dynamic buckling of bars under plastic compression wave with finite element eigenvalue;
应力波作用下直杆塑性分叉动力失稳分析
2.
Discussion about Cross Deformation of the Bars in Tension or Compression
关于拉压直杆横向变形的讨论
3.
The stability characteristics of straight elastic bars under axial stress wave was studied by means of the stability theory of discrete systems on the condition that the coefficients are “frozen”.
应用离散系统的稳定性理论，在“冻结”系数的条件下研究了在轴向应力波作用下弹性直杆的稳定性的特点，得出了特征矩阵的特征值随应力波传播的变化规律，这些变化规律表明在研究应力波引起的直杆屈曲问题中，采用冻结边界技术和在应力波阵面上假定横向位移及其一阶导数连续是合理的。
3) bar
[英][bɑ:(r)] [美][bɑr]
直杆
1.
Based on Eringen s nonlocal elastic model,dynamic analysis of a bar is presented by transfer function method with exponential form of kernel functions,the natural frequencies and the modal shape functions of the bar are obtained.
基于Eringen提出的非局部弹性模型,采用幂指数型核函数,导出直杆的振动方程,该振动方程与应用Eringen非局部微分本构关系得到的杆的振动方程一致,并应用传递函数法,进行了直杆的动力学分析,计算了它的固有频率和相应振型,结果表明本文方法具有一般性和通用性,并且求解问题过程统一,精度高,能够处理多种边界条件。
2.
Ritz method was adopted to study the natural frequency of nonlocal elastic bar.
采用Ritz法求解了非局部弹性直杆的固有频率问题。
3.
A traditional Split Hopkinson Press Bars (SHPB) device is adjusted and applied to study the impact buckling and postbuckling of elastic bars.
对传统的霍普金森压杆装置（ＳＨＰＢ）进行改进，用于研究弹性直杆的动态屈曲与后屈曲，并且分析了影响实验精度的因素。
4) rod
[英][rɔd] [美][rɑd]
直杆
1.
The buckling numerical analysis was made to the rod which is hinge joint and uniform cross section under the axial dynamic loading,basing on the finite element theory.
阐述了动力屈曲分析的Ansys/Ls-dyna有限元理论,基于该有限元程序对两端铰接、等截面直杆在轴向动力载荷作用下的屈曲过程进行了数值模拟和分析。
2.
This thesis contains three parts: The first part focused on the simulation of the dynamic buckling for rod impacted by dynamic force and rigid body in axial direction, which is hinge joint and uniform cross section, basing on the ANSYS/LS-DYNA and PAMCRASH.
本文的研究工作主要有三部分组成: 第一部分基于有限元程序ANSYS/LS-DYNA、PAMCRASH分别对两端铰接、等截面直杆在轴向动力载荷作用下的屈曲和刚性块轴向冲击作用下直杆的动力屈曲过程进行了数值模拟和分析。
5) straight chord
直杆
1.
Comparing FEA results with the calculated value of CIDECT of in-plane bending ultimate capacity of T-type CHS with straight chord,analysis was made for in-plane bending ultimate capacity of CHS with fold chord by .
通过弦杆为直杆的T型节点平面内抗弯承载力有限元计算结果与《空心管结构连接设计指南》计算值比较,认为可以利用经过试验验证的板壳有限元方法进行弦杆为折杆的T型节点平面内抗弯极限承载力分析。
6) drill pipe diameter
钻杆直径
1.
Application of area array CCD on drill pipe diameter measurement;
面阵CCD在钻杆直径测量中的应用研究
补充资料：贬江陵途中寄乐天、杓直、杓直以员外郎判盐
【诗文】：
想到江陵无一事，酒杯书卷缀新文。紫芽嫩茗和枝采，
朱橘香苞数瓣分。暇日上山狂逐鹿，凌晨过寺饱看云。
算缗草诏终须解，不敢将心远羡君。
【注释】：
【出处】：
全唐诗：卷412-33
想到江陵无一事，酒杯书卷缀新文。紫芽嫩茗和枝采，
朱橘香苞数瓣分。暇日上山狂逐鹿，凌晨过寺饱看云。
算缗草诏终须解，不敢将心远羡君。
【注释】：
【出处】：
全唐诗：卷412-33
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条