顫動計算 的英文怎麼說
中文拼音 [zhàndòngjìsuàn]
顫動計算
英文
flutter calculation- 顫 : 顫動詞(發抖) shiver; shudder; tremble
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 顫動 : quake; quiver; vibrate; tremble; flutter; jitter; bounce; dither; chatter; trepidation; vibration...
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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The calculated results of three dimensional unsteady flow and flutter have proved that the methods presented in the thesis are satisfactory
三維非定常氣動力和顫振的計算結果是令人滿意的。The investigation in this dissertation shows the capabilities of ausm + scheme, such as the exact resolution of shock, low numerical dissipation, simple and requiring less computational effort. the successful applications on supercritical airfoils and wings show that the present flow solvers based on ausm + scheme are of valuable and promising in practical application
通過本文的研究工作,展示了ausm +格式的激波高解析度、數值耗散小、編程簡潔、計算量較小等特性,同時,將其成功地應用於跨音速超臨界翼型、機翼的定常或非定常氣動特性的數值模擬和顫振研究中,具有一定的工程應用價值和良好的發展前景。In the buckling question under nonconservation force, a simply example ( the dynamic stability question under the uniformly follower forces with small deformation % linear elastic, straight normal. ) is considered. the variational equation of braid composite cylindrical shells subjectd to uniformly follower forces is deduced based on the variation principle of quasinatural frequency of elastic nonconservative system self - excited vibration. the calculated formulas of the flutter load and quasinatural frequency of shells are obtained. the program for calculating the flutter load is developed. the numerical example is given and some useful conclusions are obtained
對非保守力作用下的屈曲問題,具體研究了圓柱殼在比較簡單的情況,即小變形、線彈性、直法線假設下在隨動力作用下的殼屈曲問題,由擬固有頻率變分原理推出了圓柱殼受隨從力作用的變分方程,得到了顫振載荷與殼彎曲的固有頻率的計算公式,編制了相應的計算機程序,並給出了具體算例,得到了一些有益的結論。In order to reduce the computing time and improve efficiency, the procedure has been paralleled and the distributed parallel computation is accomplished in a net with four pcs. the parallel computation of static aeroelasticity and flutter has been initiated at home. on this basis, the work includes four parts
通過對單機串列程序進行分散式并行化改造,在國內首次實現了基於微機網路上的靜氣動彈性和顫振分散式并行計算,解決了數值求解氣動彈性問題難以避免的耗時巨大的問題。The flows in the case of different reduced frequencies are computed respectively for two blade profiles. by comparing the time curves of relative parameters in oscillating cascades and the flow field contours under different conditions, it is indicated that the reduced frequency is an important factor to determine whether the blade flutter happens or not
針對兩種葉型分別計算了不同摺合頻率下的流場,通過比較振動葉柵相關參數隨時間變化的曲線及流場雲圖,表明摺合頻率是決定葉片顫振與否的重要因素。分享友人