flutter analysis 中文意思是什麼
flutter analysis
解釋
顫振分析-
Flutter analysis on aircraft for the condition of unsymmetrical stores
全機非對稱外掛狀態顫振分析 -
The aerothermoelastic analysis of missile structure includes the thermal stiffness, thermal vibration and thermal flutter analysis. this dissertation emphasizes on thermal vibration analysis of the aerial vehicle under aerodynamic heat condition
本文研究背景是彈體這類典型結構在高速飛行情況下，由於氣動加熱引起的高溫對結構氣動熱彈性分析，包括熱剛度、熱振動問題的研究。 -
Flutter boundary prediction ( fbp ) based upon sub - critical turbulence response analysis is an important research work in flutter test field of aircraft
基於飛機結構亞臨界響應分析的顫振邊界預測（ fbp ）技術是顫振試驗研究的重要課題。 -
Flutter analysis of a high - aspect - ratio sandwich wing under large angle of attack
大展弦比飛機翼身結構不同剛度對結構響應的影響 -
With this kind of element, panel flutter analysis can be performed not only for thin plates but for the middle - thickness laminates
由於min3單元計及了壁板的橫向剪切效應，因此這種壁板顫振分析方法不僅可以針對薄板，而且可以針對具有中等厚度的復合材料層合板。 -
The numerical flutter analysis system was formed by the three - dimensional numerical simulation of the vibrating cascade flow combined with the structural dynamics analysis of vibrating blade
將振動葉柵三維流動數值模擬與振動葉片結構動力學分析相結合，建立了葉片顫振數值分析系統。 -
The finite element equation for linear and nonlinear panel flutter analysis using the triangular three nodal mindlin element ( min3 ) which considers the first order shear strain in the plate is formulated
（ 3 ）使用三結點三角形mindlin板單元（ min3單元）推導了壁板熱顫振的有限元方程。 -
The aim of this thesis is to analyze the panel flutter mechanism and establish a mechanical model for panel flutter analysis and this work is the basis of panel flutter control studies
本文的目的就是對壁板的熱顫振特性進行系統深入的分析和研究，為高速飛行器的壁板結構的防顫振設計和壁板顫振抑制的研究建立理論基礎。 -
Two kinds of actual blade were tested with this system. the analysis results are just the same as the practical operation. this shows that the numerical flutter analysis system is effective and can be used in the practical engineering problem
利用此系統對實際葉片的顫振特性進行了評估，得到了正確的結果，說明了本文的方法和所建立的系統正確有效，可望在工程實際問題中加以應用。 -
The three - dimensional flutter analysis in frequency - domain of suspension bridges and theirs flutter stability when construction is carried out in terms of dealing with the project of constructing a suspension bridge ? ancang jiang bridge, besides with other engineering projects
本文以瀾滄江懸索橋為工程背景，結合其他幾個工程實例，討論了三維顫振頻域分析方法和懸索橋施工階段的顫振穩定性問題。 -
In the engineering background of a suspension bridge tender project, taking the bridge and the airflow as a whole system, the effectiveness of the surface in the flutter stability of the system is studied by a multi - mode flutter analysis approach
以某懸索橋設計方案為工程背景，把橋梁與氣流作為一系統，應用多模態顫振分析方法，研究了在主梁下風側設置翼板這種控制措施對改善該系統顫振穩定性的效果。 -
The identification of flutter derivatives for bridge sectional model has long been a key issue in long - span bridge flutter and buffeting analysis
長期以來，橋梁斷面顫振導數的識別都是大跨度橋梁顫抖振響應分析中的重點和難點問題。 -
As to the current problems existing in the identification for these flutter derivatives, the dissertation tries to trace the development in the identification for the past unsteady aerodynamic forces of long - span bridges. it also investigates the method for flutter and buffeting analysis and the flutter derivatives. based on the present methods used in obtaining the unsteady aerodynamic forces and flutter derivatives, and co - funded by a natural scientific fund from the nation and a key project fund from the railway ministry, the current research has attempted to develop a device which can be employed in the wind tunnel to test flutter derivative through a forced vibration method
鑒于目前橋梁斷面顫振導數識別的水平和存在的問題，本文通過對大跨度橋梁非定常氣動力、顫振分析方法及顫振導數識別方法的回顧和評述，基於現有的非定常氣動力和顫振導數的測試方法，在國家自然科學基金與鐵道部重點學科基金的聯合資助下，研究開發了一套在風洞中採用強迫振動法測試顫振導數的裝置。 -
Analysis of panel flutter in high speed flight vehicles
高速飛行器壁板顫振的分析模型和分析方法 -
Dynamic analysis of this bridge showed that the bridge ' s seismic response was small and flutter critical wind speed was improved to a high level
最後對該種橋型的空氣動力穩定性進行了評估。證明大跨索桁橋是一種抗風性能優良的新橋型。 -
Flutter stability analysis of long - span suspension bridges during erection
大跨懸索橋施工過程顫振穩定分析 -
In this paper, according to the characters and processing requirements of flutter test data, based on the general theory of wavelet analysis, a set of laplace wavelets are introduced
本文根據顫振試驗信號的基本特徵和處理要求，在對小波一般理論研究的基礎上，引入了一種適用於顫振試驗信號處理（ ftdp ）的小波? ? laplace小波。 -
The theory analysis and method principle are presented the characteristics of the two methods are studied by computer numerical simulation. the results show that both the methods are reasonable and feasible. focused on the features and requirements of flutter test data processing, the methods presented here are used to pickup the major information as a pre - processing technique the application scheme is brought out for flutter boundary prediction based on subcritica
根據顫振試驗的原理和觀測信號特點，本文將所提出的兩種時頻域濾波演算法引入到了飛機結構亞臨界響應分析的顫振邊界預測（ fbp ）研究當中，給出了一種新的顫振邊界預測方案，即通過聯合時頻分析與時頻域濾波提取有效信號再進行模態參數提取與顫振邊界預測。 -
Focused on the nonstationary features and analysis requirements of flutter test data, the application scheme is brought forward for flutter signal processing. by using computer simulation and flutter test of low - speed wind - tunnel of some aeroelastical modes, the characteristics of the scheme are investigated
本文基於顫振試驗信號的非平穩特點與分析需求，應用自適應時頻分析技術給出並實現了兩種新的顫振信號處理方案，重點研究了適用於連續變速顫振試驗的顫振邊界預測問題。 -
Second, the structural dynamic equations for blades are introduced in this paper. through numerically solving the aerodynamics - structure coupled equations, a 2 - d unsteady viscous flow in a single cascade is investigated under flow - structure coupled conditions, and a preliminary analysis of the cascade flutter is prosecuted
其次，本文引入葉片結構動力學方程，通過數值求解氣動結構耦合方程體系，研究了氣固耦合條件下葉柵內的二維非定常粘性流動，並初步進行了葉柵的顫振分析。
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