element of modal analysis 中文意思是什麼

element of modal analysis 解釋
模態分析基礎
  • element : n 1 要素；成分；（構成）部分；分子。2 【化學】元素；【數學】元，素；【機械工程】單元；單體；【無...
  • of : OF ＝Old French 古法語。
  • 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...
  • analysis : n. （pl. -ses ）1. 分解，分析；【數學】解析。2. 梗概，要略。3. 〈美國〉用精神分析法治療（＝ psychoanalysis）。
  1. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體，對系統進行了模態分析和動力學響應分析，獲得了不同天線結構參數下的衛星?天線系統的固有特性，簡諧響應的幅頻特性，隨機振動響應的功率譜密度，以及沖擊響應的最大幅值和恢復時間等。
  2. 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
  3. Combining the results of modal experiment analysis on body - in - white and the results of finite element analysis, structural dynamics modification on the car front - body of a monocoque body has been made based on optimization algorithm

    結合轎車白車身試驗模態分析和有限元分析的結果，成功地對某承載式轎車車身的車頭子系統結構進行了基於優化演算法的結構動力學修改。
  4. After analysis of the parameters of the devices, a conclusion is achieved that we can directly use the parameters of the dampers instead of devices to design the buildings in the common situation. then a one - freedom modal is used to compare the differences of performance between these two dampers under harmonic load. finally, three buildings, which are installed with viscoelastic dampers, viscous dampers and no dampers respectively, are analyzed using finite element method, time history method and response spectrum method, and the result is the same as that of harmonic analysis

    如果支撐剛度較小，應採用本文推倒的公式計算阻尼裝置的性能參數；利用單質點模型進行阻尼結構在簡諧荷載作用下的性能分析，並比較了粘彈性與粘滯阻尼結構在振動控制方面的性能差異；最後利用數值方法分別對未安裝阻尼裝置結構，安裝了粘彈和粘滯阻尼裝置的三種結構進行了反應譜和時程分析，得到了與理論分析一致的結果。
  5. In this paper, ansys, the software on finite element analysis, is made use of processing the static and modal analysis on the preliminary models and its " modified ones. by analyzing the results, we can conclude that the stresses on the components of the modified models are tended to equilibration and the location of the branches " brace can also influence stresses and translations on the branches. in addition, the values of the intrinsic frequencies on modified models " are larger than the ones on preliminary models, but the ranges of the frequencies on both models are almost same

    傳統的弧形閘門的支臂結構基本上都是三角架式的，這主要是因為按平面體系進行計算的傳統設計方法忽略了結構的整體性及弧形閘門的空間結構特點，設計得比較保守，而實際上，將其改為a型結構也存在可行性，本文是利用有限元分析軟體? ? ansys對原模型及修改模型分別進行靜態和固有頻率的計算，通過分析比較其結果可知，支臂改為a型后會使閘門的整體受力趨于均勻，即原模型受力大的部件其應力變小，而原模型受力小的部件其應力會變大；而且a型支臂的支桿在不同的放置位置對支臂的應力和位移變化也有一定的影響。
  6. 3. according to the principle of the finite element method, the research establishes finite element models of the vibration transportation mechanisms, some model parameters such as the frequency and vibration type are confirmed and validated by the modal analysis, then which analyzes dynamic - state response of the model and confirms the swing distributing of the models, thereby make the design of models precise. 4

    根據有限元法的理論，建立振動機構的有限元力學模型，對該力學模型進行模態分析，通過模態分析確定拋秧機振動形態和所需的頻率等參數；然後此基礎上再進行力學模型的穩態響應分析，研究該模態下機構的振幅分佈，以確定模型設計的準確性。
  7. Then, it deals with the theory of the finite element, experimental modal analysis and hilbert huang transform, which forms the theoretical groundwork of the following experimental investigation aiming at analyzing the effect of the transducer debonging on the dynamic response of composite laminated cantilever beam

    再次，採用壓電元件做傳感器的復合材料懸臂梁結構為試驗對象，利用模態分析、 hht變換的方法，對壓電元件與復合材料之間的脫膠損傷對結構動態特性的影響進行試驗研究。
  8. The modal analysis of the pipelines in water supply system is carried out by the method of experimental modal analysis and finite element analysis

    對供水系統管道結構採取試驗模態技術輔以有限元分析的方法進行模態分析。
  9. To verify the finite element model is reasonable, the modal parameters of pcb are calculated separately by experimental and finite element modal analysis

    對印製電路板進行試驗模態分析與解析模態分析，驗證有限元模型的合理性。
  10. The natural vibration parameters for the concrete - filled steel tubular arch bridge of the east bridge in chaoyang city were obtained by means of the finite element model and the experimental modal analysis

    摘要通過對朝陽市東大橋建立有限元模型和試驗模態分析來獲得鋼管混凝土拱橋的計算和實測自振特性參數。
  11. The finite element model of hangzhou grand theater ' s structure is built up. through the modal analysis on the model, the structure and structural natural vibration characteristics are presented along with the key elements " influence on the natural vibration characteristics

    根據杭州大劇院實際結構參數，建立了大跨橢球面屋蓋和圓錐面幕墻組合結構的有限元模型，分析了自振特性以及關鍵桿件對自振特性的影響。
  12. Chen, t. y., 1987. 05, ” finite element model refinement using modal analysis data, ” ph. d. dissertation, the university of texas at arlington

    鄔詩賢、陳定宇、林忠志， 1989 . 06 ， 「設計參數對自然振動頻率之影響-頻率靈敏度分析， 」金屬工業中心委?研究計劃報告
  13. Using finite element and boundary element method, a modal analysis model of complex structural acoustic radiation in light fluid is proposed for computing modal acoustic radiation frequency, farfield sound pressure, modal radiated acoustic power and acoustic radiation efficiency

    摘要採用有限元和邊界元方法建立了輕流體介質中復雜結構振動聲輻射的模態分析模型，可計算結構的聲輻射模態頻率、模態場點聲壓、模態輻射聲功率和聲輻射效率等聲場特性參數。
  14. This paper adopts finite element analysis ( fea ) and experimental modal analysis ( ema ) to obtain the equivalent mathematical model of a frp golf shaft, respectively

    摘要本文結合有限元素分析與實驗模態分析以求得碳纖維高爾夫球桿之等效?學模型，並探討其機械性質。
  15. Based on the modal analysis data of the displacement of the spatial grid structure getting by the structural finite element analysis software ansys, the modal analysis technology of the axial member straining rate is used to identify the damage of the spatial grid steel structure in different damaged conditions and is found to be able to accurately position the damaged places of the spatial grid member

    文中通過結構有限元分析軟體ansys得到網架結構位移模態分析數據，採用桿件軸向應變變化率的模態分析技術針對不同損傷狀況的鋼結構網架進行損傷識別，能夠較為準確地診斷出網架桿件的損傷位置。
  16. Finite element modeling and modal analysis of wedge - ring connection structure

    楔環連接結構有限元建模與模態分析
  17. 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。
  18. On the basis of finite element modal analysis and experiment modal analysis, parameters identification is done and the inherent frequencies and modal shapes are obtained

    利用有限元模態分析和實驗模態分析進行參數識別，得出了固有頻率和模態振型。
  19. Two kinds of modeling methods, finite element method ( fem ) and experimental identification methods based on modal analysis theory, are applied to get the models of the dynamic systems. using the finite element model for the composite material structures with piezoceramics embedded and the technique to reduce the number of degrees - of - freedom of fem model, a reduced and appropriate model for online control is also introduced

    通過對埋有壓電作動器和壓電傳感器的智能復合材料結構進行有限單元分析，建立起了結構振動的有限單元模型，並介紹了對有限摘要單元模型進行模型降階的方法，使其適合於對結構的振動進行控制。
  20. Modal analysis, frequency response analysis, random vibration analysis and vibration fatigue analysis are carried out based on the modified finite element model. the first natural frequency of pcb is 57 hz, and the dynamic response in the first natural frequency is the largest. weak points are also found

    為分析該印製電路板可靠性及設計缺陷，需對修改過的有限元模型進行模態分析、頻率響應分析、隨機振動分析及疲勞壽命分析，以全面了解該印製電路板的動態特性（包括:印製電路板的固有頻率、隨機振動響應情況） ，以及存在的薄弱環節。
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