bluff section 中文意思是什麼
bluff section
解釋
鈍體斷面-
While the flutter self - excited loads of a bluff section has a quality of obvious nonlinearity. and the application of flutter derivatives to self - excited loads of the bluff section is close to a linear relationship. 5
而鈍體斷面的顫振自激力高次諧波分量較大,具有較明顯的非線性響應特徵,驗證了用顫振導數表示鈍體的自激力只是一種線性近似。
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