負剛度 的英文怎麼說

中文拼音 [fùgāngdù]
負剛度 英文
negative rigidity
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. Those sensitive parameters making system have negative damping and occur self - excited shimmy are horizontal pulling lever rigidity, tire sideslip rigidity, steering gear rigidity and damping, kingpin equivalent damping, kingpin caster angle, tire drag. and wheel center distance, tire side rigidity, vehicle wheel unbalanced mass, tire vertical rigidity, and distance from kingpin center to the vertical central line plane of tire have great influence on shimmy, but they do n ' t make the system have negative damping. and horizontal pulling lever damping, suspension damping and rigidity have very small influence on shimmy

    橫拉桿剛度、輪胎的側偏剛度、轉向機剛度、轉向機阻尼、繞主銷當量阻尼、主銷后傾角、輪胎拖距是影響擺振的敏感性參數，適當調節某一參數可引起系統的負阻尼，使系統產生自激擺振；輪距、輪胎側向剛度、車輪上的不平衡質量、輪胎垂向剛度及主銷延長線與地面交點至車輪平面的距離對擺振的影響也較大，但不會使系統出現負阻尼；而橫拉桿阻尼、懸架阻尼與懸架剛度對擺振的影響很小。
  2. Considering that electromechanical actuator ( ema ) has the feature of being sensitive to the parameter perturbation and load disturbance, being poor in rigidity etc., deep research has been done to the principle and design method of the ema control system by using the robust control theories

    針對電動舵機存在的易受參數攝動及負載擾動影響、剛度較差的特點，採用魯棒控制理論，對電動舵機控制系統設計理論及方法進行了深入研究。
  3. The elastic methods are beam - columns method, the pseudo load method, the pseudo lateral load method, the iterative gravity load method and the negative rigidity method

    常用彈性分析的方法有：樑柱法、虛擬荷載法、虛擬側向荷載法、迭代重力荷載法和負剛度法。
  4. ( 3 ) it is known that load effect is not consistent with the section resistance incommon section continuous composite beam. a kind of composite beam with itsrational section size is suggested, which is consist of the t shape concrete beam andsteel girder. this kind of composite beam not only has enough carrying capacity, almost has same positive and negative resistance moment, but can decrease theamount of the steel

    （ 3 ）分析可知連續組合梁的跨中、支座截面處荷載作用效應及截面抗力規律不匹配，本文提出了採用t形混凝土梁和工字鋼代替一般的混凝土板和工字鋼的組合梁截面形式，並給出了截面尺寸比例，能使正負截面抵抗矩接近，符合組合梁受力特徵，減少了材料用量，滿足承載力和剛度等要求。
  5. Conclusion the changes of condylar shape induced by various operations directly influence its compressive mechanical properties and bone mineral content

    3組髁突彈性極限負荷、最大負荷及剛度與骨密度之間均有顯著或極顯著意義的相關性，相關系數在0 . 862以上。
  6. There was marked and extremely marked linear positive relativity among condylar elastic - limit load, largest load, stiffness and bone density, in which all relative coefficients exceeded 0. 862

    其彈性極限負荷及位移、最大負荷及位移以正常組為最高，而剛度及骨礦含量則以切削組為最高，減徑組各項指標均最低。
  7. First, mathematical model of swaying system is made, which is a basis on later chapters. meanwhile, the system is simulated and designed. the effect of loaded mass, loaded suppleness, general leaking coefficient and cubage elasticity modulus on performance of system is also analyzed

    首先，作者建立了橫蕩控制系統的數學模型，作為以後各章節討論的基礎，同時對系統進行模擬和設計，並研究了系統負載質量、負載剛度、總漏損系數和容積彈性模數對系統性能的影響。
  8. If the using abrasion speed is low and the loading is not very big, but it undertakes heavy impact when running, it is better to apply thick wall shaft liner, for if the wall is too thin, the rigidity is not enough

    如果使用滑動磨擦速度較低，負載不是很大，但運轉時受很大的沖擊，此時應採用厚壁軸套。如果軸套壁薄，剛度不足，可與金屬外套復合使用。
  9. 4. because there are sub - elements in a member with the introduction of inner joints, when tile spatial stifmess matrix of main joints of a member is made, there are some cases of solving the double nonlinear equations, negative stifmesses, and singular stiffness matrices in process of iterating

    4 、由於引入了內結點，構件存在子單元，在形成主節點的構件空間單元剛度矩陣時，存在雙重非線性方程求解，迭代過程中負剛度和剛度矩陣奇異問題。
  10. However, with thefurther application of the composite steel - concrete continuous beams, some problemsare becoming more and more distinct, like cracking of concrete in the negativemoment region leading to lower section stiffness

    而隨著鋼?混凝土連續組合梁的進一步應用，其負彎矩區的混凝土受拉開裂，導致負彎矩區截面剛度降低，影響結構的使用功能的問題越來越突出。
  11. The concept of adding the contribution of rebar to a bare steel connection is utilized to form the stiffness of composite semi - rigid joints under hogging moment. upon this basis, the calculating formulas of initial rotation stiffness are presented. the calculated results show to be in good agreement with the test results

    本文認為，在負彎矩區，組合節點的轉動剛度是由混凝土板內縱向鋼筋與樑柱型鋼連接部分各自的貢獻疊加而成的，為了簡化計算，這里忽略了受拉混凝土對節點轉動剛度的影響。
  12. For the cantilever beam, the theoretical stiffness and limited capacity are slightly less than the test ones if considering only the steel beam and the reinforced bars in the negative moment zone with the concrete in the tension zone ignored

    結果表明：簡支組合扁梁，忽略彈性中和軸以下受拉的混凝土的影響，採用等效換算截面方法計算所得的剛度和極限承載力與試驗結果比較吻合；懸臂梁只考慮混凝土板中配置的負彎矩鋼筋，忽略混凝土，計算所得的剛度和極限承載力比試驗結果略微偏小，但相差不大。
  13. At the same time, plastic hinge, rigid zone, negative stiffness, load relaxing and so on are taken into account

    該方法一併考慮了塑性鉸、節點剛域、負剛度及單元卸荷等問題。
  14. ( 3 ) in order to solve the negative stiffness problem in structural numerical analysis, the multi - spring method is set forth and its general iterative equations are deduced. several loading

    （ 3 ）為解決結構的負剛度問題提出了多維虛設彈簧法的概念，並對多維虛設彈簧法求解的一般迭代格式進行推導。
  15. Research on load rigidity adaptive model of electro - hydraulic servo fatigue testing machine

    電液伺服疲勞試驗機負載剛度自適應模型研究
  16. Through simulation the dissertation analyzes the effect of connect stiffness, load inertia, pressure - flux coefficient to the active load system and surplus force ( torque )

    通過模擬，分析了連接剛度、負載慣量、總的壓力流量系數對主動加載系統和純多餘力的影響。
  17. It is not only high in the power - weight ratio and large in the load stiffness and applied force but also agile in electric system and high in precision

    它既利用了液壓系統功率?重量比高、負載剛度大及作用力大的特點，又充分發揮電氣系統靈活、精度高的優勢。
  18. When the author emphasized the significance of forming core competence, avoiding the negative influence of technological accumulation - - - the appearance of technological accumulation trap, including the rigidity of core competence and desalination of the core competence, has been discussed

    論文在強調企業技術積累形成核心能力的同時，也論述了企業技術積累中容易出現的負面影響技術積累陷阱，即企業核心能力形成的同時，出現了核心剛度及企業核心能力的淡化。
  19. The results of joint performance tests show that the modular joint possesses many good abilities, such as high stiffness, big load and very high control precision approaching to 0. 01

    針對所設計的關節進行了必要的關節性能實驗，結果表明該模塊化關節具有高剛度、大負載特點，其關節的位置輸出能精確跟蹤期望的軌跡，位置精度非常高，達到了0 . 01 。
  20. The emphases of the research works of this thesis are laid on the mechanical performance of the shear connector of the continuous composite bridge, the crack status and design method for crack control of the concrete deck in the negative moment zone of the continuous composite bridge, the influence of the connecting rigidity and the construction method over the structural mechanical characteristics of the continuous composite bridge, and the force transmission mechanism and the stress distribution of the rigid node connecting the girder and the pier in the mixed bridge and so on

    其中重點研究了組合結構橋梁中剪力鍵性能，負彎矩區混凝土板裂紋狀態及控制裂紋的設計方法，鋼與混凝土的接合剛度和施工方法對結構受力特性的影響，以及混合結構橋梁中梁墩剛性連接的傳力途徑及應力分佈等。
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