sonic fatigue 中文意思是什麼
sonic fatigue
解釋
聲波疲勞-
The result was shown that the program runs quickly and in reliability, it can replace the nomograph method and use easily for predicating sonic fatigue life of aircraft skin - panel structure
通過已有的算例進行驗證，結果表明計算迅速可靠，可以代替以列線圖為主要手段的求解方法，廣泛的應用於工程領域。 -
In second part, a complete design and implement platform was constructed for sonic fatigue life analysis with the oriented - object programming design technique, as a replacement of nomograph method
在本文的後半部分，為了代替目前常用的列線圖求解聲疲勞響應方法，著重運用面向對象程序設計技術，完成聲疲勞壽命預測及分析平臺的設計和實現。 -
Being deficient in sonic fatigue testing and owing to the limitations of nomograph method application to the sonic fatigue life prediction, an analysis software program was designed and worked out in present thesis, based on the research achievement in prediction of sonic fatigue life, which strong function, easy use and great extensive capabilities
本文針對現階段聲疲勞試驗的不足，以及工程中常用的諾謨圖方法的局限，整理了目前比較成熟的典型蒙皮壁板聲疲勞壽命研究成果，提出設計並編制了一套功能強、易於使用，可擴展性好的聲疲勞壽命預測及分析平臺。 -
In first part of the thesis, by a review of the research on aircraft sonic fatigue, the formulas for calculating natural frequencies of the typical aircraft skin - panel structure with four edges simply - supported or four edges fixed - supported were drawn, the response of displacement and stress was analysed under the condition of random white noise loading with the steady - state or unsteady - state. the procedure how to use data of s - n curve under constant loading for predicating the fatigue life of skin - panel subjected to random loading was shown
通過對聲疲勞問題研究的回顧，根據典型飛機蒙皮壁板模型，整理了四邊固支，四邊簡支兩種邊界條件下多階模態固有頻率，非平穩及平穩隨機白噪聲載荷下的位移和應力響應，以及如何從等幅s ? n曲線求得隨機載荷應力下的疲勞壽命。 -
Sonic fatigue stress simulation and pattern recognition of an aircraft flap
飛機襟翼聲疲勞應力的模擬與模式識別
分享友人