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本文讨论了薄壁杆件约束扭转时截面翘曲变形和双力矩的符号规定,指出一些文献中转换公式的正误,并用板壳有限元计算验证了本文的结论。
This paper discusses the symbolic provisions for the warping deformation and double moments of a thin-walled bar member under restraint torsion, and points out the correctness of the conversion formulas in some literatures, and verifies the conclusion of this paper with finite element calculations of plate shells.