On the basis of section model with dynamic test, it studies the flutter characteristic of the girder. Flutter derivatives of the girder are identified also.
本文以某跨海大桥为工程背景,通过节段模型风洞试验,研究了主梁断面的空气静力特性;以节段模型动力试验为基础,研究了主梁断面的颤振特性,识别了主梁断面的颤振导数。
参考来源 - 大跨度斜拉桥空气动力特性试验研究The parameters of TMD were confirmed by the means of section model wind tunnel test. The effects of TMD on vortex-induced vibration control of local member are perfect for the needs of engineering.
通过风洞试验,提出了腹杆涡激共振的TMD制振方案,控制效果显著,可满足工程要求。
参考来源 - 大跨度钢桁架拱桥局部杆件稳定问题研究·2,447,543篇论文数据，部分数据来源于NoteExpress
These are fixed effect model and cross section model.
这些都是固定效应模型和横截面模型。
Objective: To investigate the section model of cesarean section of improvement model transverse incision.
目的：探讨改良式横切口剖宫产术的术式。
It is proved that the main truss has excellent wind stability through the wind tunnel test of section model.
风洞节段模型试验结果表明：主梁具有很好的抗风稳定性。
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