cable vibration 中文意思是什麼

cable vibration 解釋
電纜振動
  • cable : n 凱布爾〈姓氏〉。n 1 【造船】錨鏈,錨索,(周長10英寸以上的)左捻三根三股索;粗索,巨纜;鋼絲繩...
  • vibration : n. 1. 振動,顫動;擺動;【物理學】振動。2. (心的)震顫。3. (思想情緒的)激動。4. 猶豫。adj. -al
  1. General specification for all metal wire - cable vibration isolator

    全金屬鋼絲繩隔振器通用規范
  2. Chapter 4 time - dependent computational simulation of the response of cable - suspension feed system in gusty wind based on the time - independent structure finite element method, and with consideration of the movement laws of cabin, a 3 - d time - dependent structure finite element model formulated by a new method named iss method ( instantaneous structure supposition method ) to deal with the vibration response of cable - suspension feed system in gusty wind is presented. in the model, all sources of geometric non - linearity, cable sag and changes of cable geometry due to large displacement, are fully considered

    基於時不變結構的有限單元法,在綜合考慮饋源艙運動規律的基礎上,提出了時變系統的瞬時結構假定法,通過將懸索離散為索桿單元,建立了系統的時變有限元模型,該模型充分考慮了懸索的垂度和大變形等幾何非線性因素,應用ne 。
  3. This paper is concentrated on the space geometric non - linear static analysis and vibration analysis of the long span plate - truss composite cable - stayed bridges. 1

    本文是針對大跨徑板桁結合斜拉橋的空間幾何非線性靜力分析及結構的動力分析兩個方面而展開研究工作的。
  4. As an example, the space analysis model about the wuhu changjiang river bridge is done and the internal forces about the wuhu changjiang river bridge due to dead load and lived load are analyzed. 2. the vibration analysis of the long span plate - truss composite cable - stayed bridges

    文中以蕪湖長江大橋為例,建立了該橋的空間有限元分析模型,並重點分析了該橋在自重恆載作用下的結構內力及車輛荷載對橋梁結構內力的影響。
  5. In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project

    在動態數值分析中,針對世紀塔變截面的塔身,曲線軸線的拱以及柔性拉索相互耦合時清況,建立兩種有限元計算模式,利用有限元軟體algorfeas得到動力數值分析的結果,如:自振頻率、振型、動位移、動應力等等,再和振動臺試驗研究成果作比較,得到一些重要的結論,從而為南京世紀塔工程的設計和施工提供強有力的依據,而且為類以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。
  6. Study on natural vibration of cable bearing weight with asymptotic method

    採用漸近法研究負載鋼絲繩的固有振動
  7. From this thesis, it can be stated that the use of observation implement and active cable can produce timely active control to ship in the wave. because active cable can enhance ship ' s ability of anti - siamming but do n ' t affect ship ' s inward capability, it should be given some attention in the application research of active control method in ship structure vibration by slamming

    從本文中可以看出,將觀測器和作動器相結合可以對航行於波浪中的船舶結構振動實施適時的主動控制,並且裝上作動器不但不會影響船體本來的性能,而且可以增加其抗波浪砰擊能力,因此主動控制方法在船舶結構砰擊響應控制方面的應用和研究應該給予一定的重視。
  8. There is nearly no research on using active control method to reduce ship structural vibration stirred by slamming. this thesis studied theoretically on active cable and active tuned mass damper which were designed on the base of lqr theory. then the thesis studied concretely on the validity of active cable by an example

    本論文對船舶結構波浪砰擊響應的主動控制方法進行了研究,主要對基於線性二次型最優控制原理設計出來的主動纜作動器和主動式調諧阻尼器兩種控制器做了理論原理和作動器構成上的探討,並進一步研究了主動纜作動器運用於船舶因波浪砰擊引起的結構振動控制的有效性。
  9. The force control of suspension bridge anchorage cable is the main contents which will be researched. according to the character of suspen - sion bridge anchorage, three questions is solved in this paper on the basis of the construction control experience of the highway bridge of yichang yanzhi river. firstly, an effective method of cable force control is presented in this paper, which has settled the puzzle of cable force accurate operate through fixing a pressure transducer at the behind of the hydraulic jack. secondly, an exactitude calculation model is founded in this paper. in addition the influence of boundary condition, sag, inclination, flexural rigidity and environment temperature to the cable vibration frequency which make the frequency method could be used to the measurement of cable force. in the end of this paper, a control system of anchorage cable force is developed on the basis of the above research. this system is very steady, credible, high precision and convenient. it is a new and credible method to be used to the force control of sus - pension bridge anchorage cable. in this paper, the conundrum of cable force control has been solved. the fruits are very useful to the development of inland suspension bridge

    提出了一種有效可行的錨跨張力控制方法,即通過在油壓千斤頂后加壓力傳感器,並利用單片機技術進行數據採集,解決了懸索橋錨跨索股初張力精確控制的難題;建立了錨跨索股索力的精確計算模型,分析了索股的邊界條件、斜度、垂度、抗彎剛度及環境溫度對索股頻率的影響,解決了弦振法在大跨徑懸索橋索力測試中的應用問題;在上述研究成果的基礎上,研製出了錨跨張力控制系統,該系統具有穩定可靠,精度高,使用方便等特點,它的投入使用將為我國今後大跨徑懸索橋錨跨張力控制提供一種全新的、可靠的手段。
  10. Application of hca cable vibration - reducer on dangshi bridge

    斜拉索減振器在石石大橋的應用
  11. The cable sag and bending stiffness effects are studied on the higher natural frequencies of cable vibration. it is found that the differences of the higher adjacent frequencies go to the fundamental frequency of the taut string theory even though the cable sag or bending stiffness is included. this unique characteristic of cable vibration is used to determine the cable tension with the well - known taut string theory

    2 .考慮垂度和抗彎剛度對高階自振頻率的影響,探討了索相鄰頻率之差,發現索的高階頻差就是弦振動理論的基頻,利用這一特性,分析了頻差法測索力的精度和適用范圍。
  12. Base on review of existed study and application in suppressing cable vibration in the world, technique of mitigating cable vibration with viscous damper and mr damper has been investigated in this dissertation, and the main contents and progresses in form of summary are as following : 1 the motion differential equations of the cable - damper system are formatted, which take into account these factors, such as the inclined angle, sag, stiffness etc. coupling motion between cable and deck is studied with analytical and numerical method. numerical results show that large amplitude vibration of cable with beat rhythm will occur when exciting frequency of deck equals two times modal frequency of cable

    本文在對國內外斜拉索振動控制研究與應用現狀進行綜合評述、分析的基礎上,針對上述問題進行了深入研究,具體的研究內容和取得的成果包括: 1 、建立了斜拉索-阻尼器系統運動方程,對拉索與橋面的耦合振動作了分析和研究,數值結果顯示當橋面激振頻率等於某階拉索模態頻率的兩倍時,很小的初始擾動將引起拉索的大幅振動,並呈現拍振的特徵,與實測的拍振信號一致。
  13. 4. this thesis introduces the application of rd - 1005 mrfd in hunan yueyang dongting lake bridge and permanent magnetism adjustable assemblage mrfd in changsha hongshan bridge and changsha liuyang river bridge. the studies on cable vibration mitigation field tests in these bridges are presented

    4 .介紹了湖南嶽陽洞庭湖大橋上安裝磁流變阻尼器的情況,在長沙洪山大橋、長沙瀏陽河大橋全橋拉索上安裝了永磁調節裝配式磁流變阻尼器,並進行了現場拉索減振試驗研究。
  14. This thesis takes the hunan yueyang dongting lake bridge 、 changsha hongshan bridge and changsha liuyang river bridge as the project background, supported by the national natural science foundation project “ field measurements of rain - wind - induced cable vibration on the yueyang dongting lake bridge in hunan province ”, carries out some researches as follow : 1. this thesis introduces the development of cable - stayed bridge 、 the necessity to study the cable vibration, briefly introduces the mechanism of cable vibration and cable vibration mitigation measures

    本文以湖南嶽陽洞庭湖大橋、長沙洪山大橋、長沙瀏陽河大橋拉索振動控制為工程背景,在國家自然科學基金項目「斜拉橋拉索風雨振現場觀測與半主動控制研究」資助下,進行了以下研究工作: 1 .介紹了斜拉橋的發展,拉索振動研究的必要性並對拉索振動形態及減振措施進行了簡要的論述。
  15. Stay cable vibration and its damping measures of cable - stayed bridge

    斜拉橋拉索振動及其減振措施
  16. Effects of local cable vibration on the seismic response of cable - stayed bridges

    拉索局部振動對斜拉橋地震響應的影響研究
  17. Increasing the damping of cables is the most direct and effective way of suppressing cable vibration

    研究證明,控制拉索振動最直接和最有效的方法是增加拉索的阻尼。
  18. 5. the wavelet analysis technique is applied in this thesis to identify the modal parameters of cable from in - site cable vibration mitigation test data

    5 .運用小波分析對現場拉索減振試驗得到的試驗數據進行了處理,識別了拉索的模態參數。
  19. Therefore, investigation of mechanism and countermeasures of cable vibration is very important for construction and maintenance of the cable - stayed bridges

    因此,研究拉索振動的機理及其振動控制措施對于斜拉橋的建設和維護具有重要意義。
  20. Therefore, investigation into the mechanism of cable vibration and cable vibration mitigation measures is very important for construction and maintenance of the cable - stayed bridge

    因此,研究拉索振動的機理及其振動控制措施對于斜拉橋的建設和維護具有重要意義。
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