modal superposition 中文意思是什麼
modal superposition
解釋
模態疊加- modal : adj 1 方式上的，形態上的；【哲學】（對本質、內容說的）形式（上）的。2 【語法】語氣 （mood） 的;表...
- superposition : n. 疊加，重合。
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In the process of solving, poles are obtained from recurrent formula, modal vector are obtained from superposition formula not residuary. decoupled equation is derived when vibration source is part correlation, severely coupling appears in the process of input and output then frequency response function cannot directly get according to method mentioned above, decoupling is first problem
當輸入完全相關時，頻響函數無解，可繞過頻響函數，直接運用線性系統的迭加原理來求響應，極點由遞歸公式得出，模態矢量由疊加公式求出，而不是由留數求得的相應的公式。 -
The seism response analysis of aqueduct bridge is analyzed with modal superposition method based on response spectrum which participant mode of vibration chooses the former 1 0 steps and combinatorial method was srss
渡槽的地震反應分析採用振型分解反應譜法，參與振型取前10階，組合方法用srss法，求得結構的地震作用效應。 -
Multi - flexible body dynamics is introduced into crankshaft computing, and diesel engine crankshaft dynamics simulation model is established combined with finite element method and modal superposition method
摘要將多柔體動力學方法引入到曲軸計算中，並結合有限元法和模態疊加法建立柴油機曲軸動力學模擬模型。 -
Firstly, with the curvature modal superposition method, the dynamic stress responses is calculated
首先，應用有限元方法，基於曲率模態疊加原理計算曲率，進而計算應變、應力。 -
In the chapter 2, based on elastic mechanics and variation principle, the fundamental and process of static and dynamic fem is presented, placing special emphasis on the modal superposition method
第二章根據彈性力學和變分原理，系統總結了有限元法求解靜力學、動力學問題（包括特徵值、動力響應問題等）的基本原理和步驟，並重點對模態疊加法求解動力，響應問題作了闡述。 -
Abstract : according to the deep analysis of the typical punching process, the loading charts and the amplitude - frequency curves of straight side cnc turret press frame are obtained. in the end the dynamic response of a typical process is calculated using modal superposition method by fem software marc and the static and dynamic stress of some nodes is compared as well
文摘:根據板料沖裁時的工作負荷圖確定了數控回轉頭壓力機的動載荷譜，並通過傅立葉展開，獲得了壓力機的幅頻譜，最後通過marc軟體採用模態疊加法計算了典型沖裁時機身的動態響應，分析了其動態特性，並對特徵點的動靜態應力進行了比較。 -
( 3 ) introducing the proportional damping, the finite element formula of structural - acoustic coupled system lined with sound absorbing materials is obtained. mode - superposition technique for modal frequency response analysis of coupled structure - acoustic systems is also used to deal with the sensitivities of the eigenvalues and eigenvectors of coupled systems for the purpose of reducing cavity interior noise in theory
討論了阻尼降噪問題，建立了有阻尼聲振耦合系統的有限元模型，採用振型疊加法，將系統位移轉換到以固有振型為基向量，進行結構壁面有吸聲材料的聲振耦合系統響應的有限元分析與靈敏度分析，推導了比例阻尼條件的靈敏度計算公式。 -
Simulation of wind and response calculation comprise analysis in time domain. though there are similarities and differences in many ways, methods of harmony superposition and ar modal can implement the simulation of wind precisely. when putting into action, advantages and disadvantages of each other will appear
在風載時域模擬實際計算中，可以看到:兩種方法都能比較準確地對風載進行時域模擬，比較模擬結果可以看到兩種方法在實現風荷載時域模擬時在不同方面各有優劣。 -
An accurate modal superposition method for calculating frequency response function of viscoelastically damped structures
粘彈阻尼結構頻響函數計算的高精度模態展開法 -
It spends much time to make an analysis of dynamic response and sensitivities with modal superposition method, and it reduces the efficiency of dynamic optimization design via this method
在動力優化過程中，採用常規的振型疊加法作一次動力響應及其敏度分析會耗費大量計算時間，這樣大大降低了動力優化設計的求解效率。
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