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1)  Euler's pole
受压细长杆
1.
A geometrical relation between longitudinal displacement and transverse displacement of a Euler's pole is(obtained) by Lagrange's description method,and a nonlinear dynamic model expressed by partial-differential equations is(established.
利用Lagrange描述法建立了受压细长杆因弯曲引起的轴向位移与横向位移之间的关系,并建立了由偏微分方程组描述的非线性动力学模型。
2)  slender compressive rod
细长压杆
1.
The curvature formula of tiny curved rod,together with the vector method of area,is applied to inference for Euler formula about critical load of slender compressive rod which one end is fixed and another is free.
利用杆件微弯的曲率公式和面积向量法,求得一端固定、一端自由压杆的临界压力欧拉公式,为该约束条件下细长压杆的临界压力公式推导提供了另一种方法。
2.
The equilibrium condition of slender compressive rod with tiny curvature,together with the curvature formula,is applied to inference for the equations both of slope and deflection,which apply to all kinds of slender compressive rod.
利用细长压杆微小弯曲的平衡条件和曲率计算公式,得到了统一的压杆转角方程和挠曲线方程,并将其用于几种常见支承条件的细长压杆,方便地求得了相应压杆的临界压力欧拉公式。
3)  unsupport length of compression member
受压杆计算长度
4)  slender eccentrically compressed member
细长偏心压杆
5)  a step long and thin bar pressed by power
阶梯形细长压杆
1.
In this paper we take the finite element theory as tools,study the linear elastic stability problemes systematically for a step long and thin bar pressed by power,gues the basic formula for calculating critical pressure for a step long and thin bar pressed by power,and show the programme method for the Chinese character system finite element.
本文以有限元理论为工具,系统地研究了阶梯形细长压杆的线弹性稳定问题,导出了计算细长压杆临界压力的一般公式 P_(cr)=(λEI_(min)/(L~2)),并提供了汉字系统有限元软件设计的方法。
6)  allowable slenderness ratio of timber compression member
受压木构件容许长细比
补充资料:受压容器
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性质:又称受压容器。所有承受压力的密闭容器。压力容器形式繁多,若按压力的高低,可分低压、中压、高压、超高压容器;按承压方式可分为内压和外压容器;按设计温度高低可分低温、常温、高温容器;按安全技术管理分有固定式和移动式容器;按生产工艺、作用原理分有反应、换热、分离和贮运容器;按《压力容器安全监察规程》分有一类、二类、三类容器;按壳体几何形状分有球形、圆筒形、圆锥形容器;按制造方法分有单层、多层、锻造、绕带、绕板等容器;按使用材质分有钢制、铸铁、有色金属、非金属容器等。

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