单轴对称的角钢、T型钢压杆有必要做弯扭屈曲验算。
Struts of monosymmetric section built with angles and cut-Ts need to be checked on flexural-torsional buckling.
以弯矩矢量和转角向径为工具，分析了薄壁构件的弯扭屈曲。
Making use of the moment vector and radius vector of rotation, the lateral buckling of thin-walled members are analyzed.
本文综合运用理论分析、数值模拟等方法研究了薄壁钢梁的弯扭屈曲问题。
By means of theoretic analysis and digital imitation, an investigation about the flexural-torsional buckling of thin-walled steel beam is made in this paper.
其绕虚轴的侧向屈曲和可能出现的弯扭屈曲在现行规范和研究文献中尚未有详尽的讨论。
In the current Code and research references there is no detailed information for the member to bend or bend with torsion around the hollow axis.
得出了平面内弯曲变形对压弯构件弯扭屈曲的影响形式，这一形式可用统一的弯矩附加系数表达。
The effect of in-plane bending deformation on the lateral_torsional buckling of beam_columns is considered and the effect form, the additional moment factor, is obtained.
《钢结构设计规范》（GB50017—2003）提出对单轴对称截面钢压杆的弯扭屈曲需做单独验算。
Struts of singly symmetric section need to be checked on flexural torsional buckling, according to the current code for steel structure (GB50017—2003).
阐述单轴对称截面轴心受压构件弯曲屈曲和弯扭屈曲两种失稳形式，以及绕截面对称轴弯扭屈曲换算长细比的计算方法和应用实例。
The flexural buckling and flexural-torsional buckling modes of a monosymmetric section column are presented and the equivalent slenderness ratio for flexural-torsional buckling is derived.
其次介绍了一个经典的拱的弹性弯扭屈曲试验，并采用有限元商业软件ANSYS中的SHELL63单元和BEAM189单元分别进行了模拟。
Secondly, a classical elastic flexural-torsional buckling tests on arch is introduced, which is simulated by shell element SHELL63 and beam element BEAM189 of commercial software ANSYS.
通过复合材料加筋壁板后屈曲有限元分析，预测盒形薄壁结构在弯扭组合作用下的承载能力。
The post-buckling and carrying capacity of thin-walled box-like structures under bending and twisting was predicted by the finite element analysis of stiffened composite panels.
通过复合材料加筋壁板后屈曲有限元分析，预测盒形薄壁结构在弯扭组合作用下的承载能力。
The post-buckling and carrying capacity of thin-walled box-like structures under bending and twisting was predicted by the finite element analysis of stiffened composite panels.
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