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- In such case, the conventional approach of mean wind decomposition is no longer adequate for estimating the flutter critical wind speed of bridges under the skew wind. 对开口薄壁断面、双主肋断面的试验研究发现,对于具有这种类型主梁断面的桥梁,传统的法向风已不是最不利的工况,需要详细考虑各种风偏角下颤振临界风速,找出最小颤振临界风速,方可偏安全进行桥梁设计。
- However, in the case of non-zero attack angle, the flat box deck becomes bluff, the variation of its flutter critical wind speed is accordingly undulant as the wind yaw angle increases, and the lowest value will occur generally under skew wind. 而对于非0°风攻角的情况,扁平箱形断面的流线性变差,随着风偏角的增加其颤振临界风速呈起伏变化,最低值一般在斜风的情况下出现,此时,传统的平均风分解方法不再适用。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- The boat heeled over in a strong wind. 船在强风吹袭下倾侧了。
- The shutters thumped the wall in the wind. 在风中百叶窗砰砰地碰在墙上。
- She was like a narcissus trembling in the wind. 她像一株在风中摇动的水仙。
- Still, it's an ill wind; you will have an unexpected holiday. 不过,这也并非完全的不幸,你会享受到一次意外的休假。
- Study of Flutter Performance of Flat Box Deck Bridge under Skew Wind via Wind Tunnel Test 斜风下扁平箱形截面桥梁颤振性能风洞试验研究
- The north wind set them shivering. 北风吹得他们浑身打颤。
- The pitiless north wind blew for weeks. 凛冽的北风一连刮了几个星期。
- His hat was whirled away by the wind. 他的几十被风吹得旋转飞走。
- The yacht was scudding along before the wind. 那只帆船正乘风笔直疾驶。
- They set sail with the first fair wind. 他们一有顺风就扬帆起航。
- The candle was blown out by the wind. 蜡烛被风吹灭了。
- A feather floated down on the wind. 一根羽毛随风飘落。
- The wind twitched the paper out of my hand. 一阵风把我手中的报纸刮跑了。
- I always said he would wind up in jail. 我常说他到头来非进监狱不可。
- A strong head wind lashed the sea into waves. 一股顶头风在海中掀起了波浪。
- It may take an hour to wind off all the thread. 把所有线都松下需一个小时。