A new critical moment formula of tapered beam is proposed, which is similar to the expression for beams with uniformcross-section.
提出了新的变截面梁临界弯矩计算式,其表达形式与等截面梁的公式相同,便于工程应用。
2
The most important issue for the problem of uniformcross-section bar torsion is the calculation of shear stress on the boundary of cross-section, which is very difficult.
对等截面直杆扭转问题,横截面边界上的剪应力计算是件困难的事,也是很重要的研究课题。
3
Polyester fibers have a smooth, uniform surface with no striations and are circular in crosssection.