modal analysis method 中文意思是什麼
modal analysis method
解釋
模態分析法-
Application of gdr method to modal analysis for large finite element structure
法在大型結構模態分析中的應用 -
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。 -
A method based on the eigenvalue decomposition technique, known as modal analysis of multi - infeed hvdc systems
最近，一種基於特徵值分解技術的模態分析方法，已用於交直流混合系統的電壓穩定性分析中。 -
Static analysis was analogued by elasticity and ideally elastic - plasticity material, while kinetic analysis was carried out by the combination of modal analysis and kinetic reaction analysis hierarchical method
靜力分析採用彈性和理想彈塑性材料進行模擬，動力分析採用模態分析並結合動力反應譜法進行。 -
The most danger place is discovered. the advices to improve the components structure are given on the basis of deform and stress distribution. ( 6 ) the modal analysis of the main frame is carried out. the method of centralized mass is made use of
（ 5 ）利用ansys軟體對主機架進行建模，根據實際情況對各種工況施加荷載和約束條件，利用該軟體的后處理程序，分析主機架上各點在各工況下的應力與變形，找出最危險點，從而對主機架結構進行改進。 -
Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ
本文結合巖灘水電站廠房振動的試驗研究，採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬；提出一種水電站廠房下部結構簡諧振動模型，首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析，各項計算結果與實測數據吻合良好。 -
In the third part, taking advantages of the tests of acceleration, stress and strain, the exciting test, and modal analysis method, it is found out that resonance vibration leads to the compound - bending fatigue fracture of the bolts. accordingly, a series improvement measures are proposed
第三章通過對分動器及長螺栓、短螺栓的加速度、應力應變測試分析實驗和激振試驗、模態分析研究，確定螺栓斷裂問題的根源在於共振響應導致疲勞斷裂，並提出了一系列的改進措施。 -
The rules obtained from the background modal analysis method based on the quasi - steady assumption in frequency - domain are similar to those obtained by the analysis method in time - domain, and the influence of high modes can be considered. finally, the dissertation suggests that for engineering design, it is better to use equivalent wind load factor defined the ratio of wind - induced total displacement to static displacement for computing the equivalent static wind load of long - span grid roof structures, and the equivalent wind load factor of the roof of taizhou stadium is calculated
最後通過對大跨網架屋蓋結構的風振系數的研究，提出了在實際工程設計中，採用位移風振系數來計算大跨屋蓋的等效靜力風荷載既正確又方便使用，並且給出了臺州體育中心看臺屋蓋進行分塊統計后的位移風振系數，以供設計參考。 -
Modal analysis method
模態分析法 -
Its main contents is as follow : firstly, it makes the discrete model for the subsystems of the scraper conveyor and the whole system with the finite element method ; secondly, the modal analysis method is used to obtain the inhere frequency and mode of the viberation ; finally, computer simulation is applied to get the displacement, velocity, acceleration and tension of the anyplace on the scraper conveyor for the four special working condition
其主要內容如下：用有限元方法建立了刮板輸送機子系統及整個系統的離散體動力學模型；應用模態分析法求解系統的固有頻率和振型；對四種非穩定工況下的動態特性進行計算機模擬，得出整個刮板輸送機在任意點的位移、速度、加速度和動張力。 -
In frequency - domain, the background mode that has the most contribution to the buffeting energy of the structure is calculated using the background modal analysis method, thus the rms of the dynamic responses of long - span grid roofs is obtained. on the other hand, the rms of the dynamic responses is also obtained by direct integral method in time - domain. after the comparison of the results of two methods, several important conclusions can be made
在頻域內，採用背景模態分析法，通過計算得到對結構振動能量貢獻最大的一階背景模態，從而得到結構脈動響應的均方根值；在時域內，採用直接積分法求出結構響應的時間歷程，並且通過統計，同樣得到結構脈動響應的均方根值。 -
Compared with the normal frequency - domain modal analysis method, it is more exact in parameter identification
對比一般頻域模態方法，該方法對模態參數識別更準確。 -
The modal analysis method is an accurate and efficient full - wave method based the field theories
模式分析方法是基於場理論的全波分析方法。 -
Then, the experimental modal analysis method was applied to the study of vibration performance of current mem system
然後，運用實驗模態分析方法對現有熔融擠壓成形設備的振動性能進行深入研究。 -
Firstly, a systematic study of lots of paper is made, modal analysis method that accord to frequency response function is introduced
本文首先在綜述大量相關文獻的基礎上，系統總結了根據系統頻響函數進行模態分析的方法。 -
Abstract : the characteristics of the eigenvalue problem of general viscoelastic structure are analyzed and its modal analysis method is put forward in this paper
文摘:分析了一般粘彈結構特徵值問題的特點，建立了一般粘彈結構的模態分析方法。 -
Firstly, all the electromechanical initial values with higher accuracy are provided by the fuzzy block - decoupling method, and then the exact eigenvalues are iterated by the selective modal analysis method
這一方法由模糊分塊解耦法提供準確度較高的全部機電模式的初值，再由選擇模式分析法迭代求出準確的機電模式。 -
Compared with the previous modal analysis method of viscoelastic structure, this method is suitable for more common viscoelastic structue, does not involve the viscoelastic constitutive relation term and involves only one sort of modal vector
與粘彈結構已有的模態分析方法相比，該方法通用於更一般的粘彈結構，在形式上不涉及粘彈本構關系項，並只涉及一種模態向量。 -
Based on the exact equivalence second - order model of multi - machine using detail model of generator, an electromechanical calculation method is put forward. this method connects the fuzzy block - decoupling method and the selective modal analysis method
本文利用基於發電機詳細描述的多機系統精確等效二階模型，提出了模糊分塊解耦法與選擇模式分析法相結合的機電模式計算方法。 -
The selective modal analysis method ( sma ) based on the tradition equivalence second - order model achieves the reduced - order calculation for the electromechanical modes, but its calculation precision is n ' t higher and sometimes it may lose eigenvalues
基於傳統等效二階模型的選擇模式分析法，雖然實現了多機系統機電模式的降階計算，但存在著計算精度不高和特徵根「丟失」現象。
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