任意形状薄壁杆件截面剪应力不均匀系数μ的计算
- 摘 要
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蒋 通 宋亚新
(同济大学结构理论研究所 上海 200092)[提要] 介绍一种计算任意形状薄壁杆件截面剪应力分布的有限元位移法,根据剪应力分布的计算结果可容易地求得薄壁杆件截面剪应力分布不均匀系数 μ。该方法可适用于任意截面形状且壁厚有变化的开口或闭口薄壁杆件。
[关键词] 薄壁杆件 剪应力分布 不均匀系数 有限元法 位移法A finite element displacement method is applied to the analysis problem of shear stress distribution in
thin-walled beam section.Then the shear stress distribution coefficients μ can be easily obtained. Application of the method to some numerical examples of actural structure has been shown.
Keywords: thin-walled beam; shear stress distribution coefficients; finite element method