靜定構架 的英文怎麼說

中文拼音 [jìngdìnggòujià]
靜定構架 英文
perfect frame
  • : Ⅰ形容詞1. (安定不動; 平靜) still; calm; motionless 2. (沒有聲響; 清靜) silent; quiet Ⅱ名詞(姓氏) a surname
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • : Ⅰ名詞1 (用來放置東西或支撐物體等的東西; 架子) frame; rack; shelf; stand 2 (毆打; 爭吵) fight;...
  • 構架 : carcass; panel work; frame; buck; blind; reinforcement; thripple; backbone; framework; truss; fra...
  1. ( c ) the total energy of manganate - oxides materials decreases after intercalation lithium. the electrovalent bond weakens and the covalent bond strengthen between manganese and oxygen due to ion polarization effect, which makes the spinel structure more stable

    ( 3 )對于錳系材料嵌鋰后,體系總能量降低;鋰離子的電作用和極化作用,使錳氧之間的離子鍵成分減小,共價鍵成分增加,整個尖晶石骨更加穩
  2. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結件及結模型,對中國古代木結中的典型造如:柱腳在礎石頂面平擱簡支、柱榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的造機理及結功能進行了量化分析和實驗研究: (一)通過木柱石礎摩擦試驗,測了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結荷載變化的規律; (二)通過單柱承載力試驗,測了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱低周反復荷載試驗,測了柱的抗側移剛度、柱恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測了古建築木件與木件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間模型振動臺試驗,測了殿堂木自振周期,地震反應振形、阻尼特性及阻尼比;按結分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了量分析。
  3. 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基本上都是三角式的,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的整體性及弧形閘門的空間結特點,設計得比較保守,而實際上,將其改為a型結也存在可行性,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的影響。
  4. The simplified method, one time statically indeterminate plane truss, for the solution of sunflower - patterned cable dome and sunflower - patterned cantilever roof is introduced. this method is clear and convenient and the results are reliable

    提出了採用一次超平面徑向桁,求解荷載態下葵花型索穹頂和葵花型環形挑篷內力和位移的簡捷計算方法,該方法力學概念明確,思路清晰,計算簡便,結果可靠。
  5. In order to solve the static, dynamic and material nonlinear problems of mega - frame structure, this paper analyzes mega - frame structure by qr - method and sets up a new computational form. in this paper, the author adopts the method of repeated increment and no limit stabilization to handle t he elastic - plastic rigid equation and dynamic equation

    然後,利用qr法對巨型框進行分析,解決該結力、動力及材料非線性問題,利用增量迭代法及樣條無條件穩演算法分別求解彈塑性剛度方程及動力方程,建立了高層巨型框分析的新的計算格式。
  6. The truss arch structure is a three - dimensional higher statically indeterminate structure, and no definite expression of the performance function can be given for its unbelievable complexity

    拱結是一個高次超的復雜三維結件的功能函數沒有明確表達式。
  7. The main work of this paper was as fellows : ( 1 ) generalized the development of pre - stressed steel structure in our nation and abroad, and pointed out the main problem in practice ; ( 2 ) presented the mechanism of pre - stressed steel structure and revealed its applicable range ; ( 3 ) established the optimization design model for pre - stressed steel structure, which accounts for constraints on stresses and displacements of structure ; ( 4 ) brought forward the optimization design method, which combined linear programming and the principle of full restriction, through which we can obtain the magnitude of each time pre - stress and the optimized sections of each members of structure ; ( 5 ) analyzed the best times of pre - stress and pointed out that 2 ~ 3 times is preferable ; ( 6 ) conducted optimization design on large - space steel roof, horizontal parallel steel truss with local cables, horizontal parallel steel truss with global cable, and ultra - static steel truss, the result of which indicated that the multiple pre - stress structure is very economic ; ( 7 ) compared different schemes of cable placement for horizontal parallel steel truss, and the results showed that the local cable only unloaded the second girders, but had no response on the first girders and stomach poles, while global cable could unload the second girders and the stomach poles outside of turning point of cable, thus proving that global cable is more economic than local - cable

    本文的主要工作是:對國內外預應力鋼結的發展歷史及現狀作了綜述和總結,指出當前預應力鋼結工程實踐中存在的主要問題;闡述了預應力鋼結的受力機理,並指出預應力鋼結的適用范圍和特點;在考慮結應力和變位約束的條件下,建立預應力鋼結優化設計模型;提出多次預應力鋼結優化設計方法和步驟,採用線性規劃和滿約束準則相結合的優化方法,可優化設計出施加的每一級預應力的大小,並得到結各部分的優化截面;對多次預應力最佳的施加次數作了分析,並建議以2 3次為宜;為驗證文中理論和方法,分別對大跨多次預應力鋼屋、局部布索的水平平行弦鋼桁、整體布索的水平平行弦鋼桁和局部布索的超鋼桁等算例進行了優化設計,經濟效益明顯;對水平平行弦鋼桁的幾種施加預應力的方案進行比較,對于局部布索,預應力只對下弦起到卸載作用,對上弦和腹桿基本不起作用;而整體布索預應力除對下弦卸載外,對索折點以外部分腹桿也起到卸載作用,經濟效益好於局部布索。
  8. Visual analysis of human motion has been receiving increasing attention from researchers in the fields of image processing and computer vision during the past few years. it has a lot of applications in virtual reality, smart surveillance system, advanced user interface, motion analysis and video compressing, etc. this paper focuses on the technology of human motion tracking based on video, first, we make a summarization of the domestic and overseas status of the research in this field. on the basis of this, we analyse the technical difficulties of human motion tracking. as most of the existing model - based methods of human motion tracking perform not so good in some situation as they need mannual intervention, and also the precision of tracking is not so satisfying during the research of tracking of walking people because of the self - occlusion of legs, this paper proposes an algorithm of automatic detection and tracking of legs of the walking people based on monocular image sequences, in which we analyse the features of walking people, track the five joints of lower limbs, get various parameters, and then re - construct the walking process. the main research achievement is as follows : 1 ) we propose an algorithm of markerless automatic extraction of leg skeleton. first we divide the video into continuous image sequences, after background subtraction, the satisfying human region could be extracted, then we get a single - connected region by converting the rgb image to binary image and median filtering. afterwards, the contour of lower limbs in the frame with a widest boundingbox is detected, using sobel operator, to find the ankle joint of leg behind according to the features and rules of walking, then, the joint of knee of leg behind, hip, ankle of leg in front, knee of leg in front could be got in turn. so, model of leg skeleton is constructed

    首先將視頻分解成許多連續的態圖像幀,經過背景去除,把感興趣的人體區域提取出來,通過二值化,中值濾波等預處理方法得到只有人體的一個單連通區域,然後用sobel運算元檢測出boundingbox最寬幀中人體下半身的輪廓,根據運動規律及特徵找到後腿踝關節點,結合從boundingbox最窄幀中所獲取的腿長依次得到後腿膝關節,跨部關節,前腿踝關節,前腿膝關節四點,從而建出腿部骨模型。 2 )實現了人體步行腿部骨的跟蹤演算法。在完成對腿部骨模型的自動初始化之後,本文對跨關節、膝關節及踝關節分別採用運動建模、圓周相交點演算法、運動預測及預測點周圍搜索rgb相似矩形塊三種方法確每一幀中其實際坐標,從而重出腿部骨的運動過程。
  9. Model of a passenger aerial ropeway is established after conducting structural analysis of the cable, supporting mast and basket, and stress analysis is respectively performed under passengers or wind loads, providing a method of overall static strength design of passenger aerial ropeways

    摘要針對客運索道系統中懸索、塔、吊籃等特,著重解決了索道系統分析中的整體有限元建模問題,並提出了客運索道系統在自重或風力作用下的應力分析方法, ?客運索道系統強度設計提供了整體性計算方案。
  10. The connection flexibility influences not only displacements but also distribution of moments of frame. moments of joints of semi - rigid frame are more than that of semi - rigid frame that include more flexible connections

    對于超鋼框,考慮p -效應后,半剛性連接的柔性不僅增大結的位移,而且還改變結的彎矩分佈。
  11. Vgwi hav vny good the td weigh ndos, and no wt moments or tomp can be nd at the joints. moieover they can be deded to be cowe

    變幾何桁是包含一些可伸縮桿件的,這些可伸縮桿件可以改變機形。
  12. The results obtained from the modified genetic algorithm indicate the algorithm is feasible and effective by some representative examples

    用典型的遺傳演算法測試函數和十桿超優化問題作為考題,驗證改進遺傳演算法的有效性與可行性。
  13. For example, the large friction loss of prestressed tendons, complex anchorage bearing joint, the problem of cracks in large area structure, axial compress of long span continuous beam under prestress. all those hinder its use in long span structure. until now days, the cognition about the behavior of such structure under loads is not enough for the realm of prestressed concrete of all the world

    但是,預應力技術應用於大跨連續框,在設計和施工中還存在一些缺點和不足,例如預應力筋的摩擦損失過大,節點錨固區設計和造復雜、大面積結的裂縫控制問題、大跨框梁在預應力作用下的軸向縮短等,這些都是困擾大跨預應力混凝土框應用的突出問題,特別是目前對于預應力混凝土超的受力性能,國內外預應力界的認識尚不夠全面。
  14. The portal frame is a hyper static structure, if it is analyzed by material - strength method, it is complex and large simplification must be made, and calculation accuracy is lower. larger safety - factor is often adopted to ensure the portal frame safe, this results in large structure size, more material cost and higher manufacture cost

    該門是一個高次問題,採用傳統的材料力學方法很難求得解析解,且要想求解需對結作較大的簡化,造成計算結果誤差大,為此,常採用加大安全系數的方法以保證結的安全可靠運行,結果使結尺寸加大,浪費材料,增加製造成本。
  15. The large - scale and general finite element software - ansys is employed to analyse the frame of locomotive in speed of 200km / h by fea. according to the analytical results, the static stress and fatigue stress of frame are checked in the light of current criterions. at the same time, the mode analysis of frame is made and the results are analysed

    本文利用大型通用有限元軟體ansys對200km / h轉向進行了有限元分析,分析結果參照我國的現行標準對強度和疲勞強度進行評,同時,對進行模態分析,研究並評了模態分析的結果。
  16. Rigid - framed arch bridge is a statically indeterminate structure with thrusting force and over the cross section of the bridge structure induce obvious stresses resulted from temperature variations. however, because of the complexity of this bridge structures, it is so difficult to calculate temperature stress, and that researchers and designers have to simplify the calculating methods, and get inaccurate conclusions

    拱橋是一種有推力的高次超,溫度效應對其的影響相當明顯;但由於其造復雜,計算結的溫度應力存在著很大的困難,這就使得研究和設計人員採取簡化的計算方法,但得出的結論粗糙。
  17. Topics covered include : static equilibrium, force resultants, support conditions, analysis of determinate planar structures ( beams, trusses, frames ), stresses and strains in structural elements, states of stress ( shear, bending, torsion ), statically indeterminate systems, displacements and deformations, introduction to matrix methods, elastic stability, and approximate methods

    主題包含了:力平衡、合力、支承條件、平面結(梁、桁)分析,結件之應力與應變,應力狀態(剪力、彎矩、扭力) ,系統,變位與變形,矩陣方法介紹,彈性穩及近似值解法。
  18. Round steel tube members now have been widely used in space grid structures, reticulated shell structures, power transformation structures and ocean platforms, etc. most of the above - mentioned space structures are multiply hyperstatic structures under complicated stress condition

    目前,圓鋼管件已廣泛應用於網、網殼、電力和海洋平臺等空間結中。上述這些結大部分是高次超,它們受力狀態比較復雜。
  19. Firstly, static analysis of slts subjected to design load is done, employing space link series fea, and enduring capacity and internal force distribution of latticed truss structure may be realized to some extent, so primary decision of key inspect regions of roof slts can be run in the thesis

    本文首先以空間桿系有限元法對整個網進行在設計荷載作用下的力計算分析,對網的承載能力和結的內力分佈有一程度的了解,並可初步確監測的關鍵區域。
  20. In consideration of the principle in which all of the prestressed concrete members in a same structure have to satisfy the two types of limit state, the design method on normal section of prestressed concrete members in statically indeterminate structures, taking account of the effect of the prestressing process, is presented to avoid the shortage in design method of post - tensioned bonded concrete frame structures at present

    本文針對現行超預應力混凝土框設計方法還存在的一些問題,在前人的基礎之上對現行超預應力混凝土結設計方法加以分析和研究,提出了一種超預應力混凝土結件正截面設計的單位面積法。
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