本文论证了开口薄壁杆件在斜弯曲情况下，不仅产生两向弯曲变形，而且伴随着扭转变形的发生。
An open thin-walled membed subjected to skew-bending not only produces the bending deformations in two principle directions, but causes torsion as well.
本文将开口和闭口薄壁理论统一在乌曼斯基假设之下，建立开口和闭口薄壁杆件统一的基本微分方程序。
In this paper, on the base of Ullmanski's hypothesis, the unified beam theory of thin walled open and closed cross-section and the governing differential equations are established.
提出一种简单而有足够精度的方法，以探讨开口薄壁杆件中由杆壁中面上的剪应变引起的剪力滞后现象对其侧向稳定的影响。
The effect of shearing lag on lateral stability of thin-walled open member is studied by a simple method with sufficient accuracy.
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