1)  flexural-torsional buckling
弯扭屈曲
1.
Wagner effect in flexural-torsional buckling of open-profile thin-walled columns;
开口薄壁柱弯扭屈曲时的Wagner效应问题研究
2.
The flexural-torsional buckling of thin-wall open compression members with twin axes eccentrically connecting with multiple elastic supports is studied.
研究了有双轴对称截面开口薄壁压杆与多个弹性支承偏心连接时的弯扭屈曲,把作用在开口薄壁压杆上的弹性支承去掉,代之以相应的未知外力和未知扭矩,采用Laplace变换推导出了开口薄壁压杆弯扭屈曲的位移函数,求得了其弯扭屈曲的特征方程。
3.
Based on the theory of nonlinear finite element of plate and shell,a finite element method of elasto-plastic flexural-torsional buckling of steel members under cyclic loading was presented,and a nonlinear analysis program was complied.
根据板壳非线性有限元基本理论 ,提出了压弯钢构件在循环荷载作用下弹塑性弯扭屈曲分析的有限单元法 ,并编制了计算程序 ,通过将计算结果和其他分析比较 ,对本文的理论进行了验证。
2)  flexural torsional buckling
弯扭屈曲
1.
Tests indicate that cut T-shape column subject to compression needs to be checked on flexural torsional buckling with the approach of equivalent slenderness ration for calculation.
介绍了单轴对称截面轴心受压构件的2种失稳形式以及弯扭屈曲的计算方法,并进行了试验分析,试验结果表明:剖分T型钢轴压杆有必要做弯扭屈曲验算,计算方法应采用换算长细比法。
2.
Computerized modeling of flexural torsional buckling behavior of steel structure members under constant axial forc.
对压弯钢构件在循环荷载作用下的弹塑性弯扭屈曲进行计算机模拟,系统分析了H形截面压弯钢构件的滞回特性,以及翼缘宽厚比、腹板高厚比、构件轴压比和长细比对压弯钢构件弯扭屈曲的影响规律。
3)  torsional-flexural buckling
弯扭屈曲
1.
Axis compressive members based on singly symmetric are potential to be destroyed on torsional-flexural buckling.
基于单轴对称的轴心受压构建有可能发生弯扭屈曲,本文对由等边角钢组成的铁塔轴心受压构件进行了弯扭屈曲分析,发现在某一个计算长度范围内,当绕平行轴弯曲同时绕纵轴扭转的弯扭屈曲会有可能变为最小轴弯曲屈曲,如果构件中间没有支撑,而最小轴弯曲屈曲有可能会绕对称轴弯曲同时绕纵轴扭转屈曲,这一结果将有助于设计者对构件失稳的判别。
4)  Flexural-torsional buckling
弯-扭屈曲
5)  flexural-torsional buckling load
弯扭屈曲荷载
1.
Based on the total potential energy of elastic curved beams by considering the geometrical nonlinearity, the theoretic solution for the flexural-torsional buckling load of fixed-end circular arches subjected to uniform compression and bending is deduced with the Retz method, taking the effects of warping rigidity into account.
在给出的考虑几何非线性情况下的弹性曲梁总势能的基础上,采用里兹法导出了固支圆弧拱在均匀受压和均匀受弯作用下的弯扭屈曲荷载的理论解,推导中考虑了翘曲刚度的影响。
6)  lateral-torsional buckling
侧向弯扭屈曲
1.
The calculation for lateral-torsional buckling(LTB) of steel I-beams in fire conditions;
火灾下钢梁的侧向弯扭屈曲(LTB)计算
参考词条
补充资料:弯扭系数
分子式:
CAS号:

性质:又称曲折因子。气体、蒸气分子对薄膜的透过是单分子扩散过程。其大体过程是溶解于固体薄膜中,向低浓度处扩散,在薄膜另一侧蒸发。透过能力的大小由这三个过程中的因素决定,在扩散阶段,就和薄膜的分子结构、极性、气体的种类等等有关。弯扭系数就是给出这些因素的综合的数字式评价。它的物理意义是分子穿经薄膜必须的运动距离除以薄膜厚度所得之商值。

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