stiffness condition 中文意思是什麼

stiffness condition 解釋
剛度條件
  • stiffness : 彈性剛度
  • condition : n 1 狀態，狀況，情形；品質。2 〈pl 〉外界狀況，周圍情形。3 地位，身分。4 條件；【語法】條件子句。...
  1. Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy

    一般的優化方法，僅僅考慮了參數對其目標函數的影響，而實際情況下有些參數是變化的，產品的結構參數（如幾何尺寸、間隙等） 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異，這種差異稱為設計變量和噪聲因素的變差。
  2. With the fea software ansys and shell element which has high - precision, this dissertation optimize the size and thickness of skeleton section and seek steel pipe which still have strength and stiffness surplus under static state working condition : sinkage of 240mm of rear wheel. it ' s fully loaded in the state of static bending and torsion. after that, amelioration is achieved for even strength design

    本課題運用ansys有限元分析軟體，並且使用精度較高的shell殼單元作為建模單元，在靜態條件下，通過對左右後輪下沉240mm的彎扭聯合工況的模擬分析，尋找出骨架中存在強度和剛度富裕的構件，使之達到輕量化改進的目的。
  3. The aerothermoelastic analysis of missile structure includes the thermal stiffness, thermal vibration and thermal flutter analysis. this dissertation emphasizes on thermal vibration analysis of the aerial vehicle under aerodynamic heat condition

    本文研究背景是彈體這類典型結構在高速飛行情況下，由於氣動加熱引起的高溫對結構氣動熱彈性分析，包括熱剛度、熱振動問題的研究。
  4. Elastic theory and plastic theory are adopted in the analysis of the two section composite beam. elastic theory suggests, on the condition of the same steel beam section size, the composite beam for the floorslab is suited lower flanges convertion section stiffness cuts down by 75. 1 %, elastic limit bending resistant capability cuts down by 47. 9 %, than the composite beam for the floorslab is suited on the top flange. it s conversion section stiffness is lifted 8. 0 %, elastic limit bending resistant capability is lifted 0. 20 %, than the steel beam

    彈性理論分析的結果表明，在鋼梁截面大小相同的條件下，樓板位於鋼梁下翼緣的組合梁和樓板位於鋼樑上翼緣的組合梁相比，其換算截面剛度降低75 . 1 ，梁的彈性極限抗彎承載力降低47 . 9 ，樓板位於鋼梁下翼緣的組合梁和純鋼梁相比，其換算截面剛度提高8 . 0 ，梁的彈性極限抗彎承載力提高0 . 2 。
  5. Some key issues in the modeling of a long span composite cable - stayed bridge are discussed such as cable tension, dead load, large deflection, concrete deck stiffness, concrete deck - steel girder connection, and boundary condition. some conclusion can drawn from the thesis : 1. the initial equilibrium configuration of the bridge is clarified in the thesis

    本文深入討論大跨度結合梁斜拉橋"基準"有限元模型建立過程中的幾個關鍵問題並得到一些有意義的結論： 1 .明確斜拉橋在索初應力和恆載作用下的初始平衡構型? ?處于初始平衡狀態時的幾何位置，給出了其計算方法。
  6. The lightening design of vehicle should guarantee the strength, stiffness, mode and crashworthiness of the car body in the condition of raising train speed

    車體承載的結構輕量化，要保證車體的強度、剛度、動態特性和耐碰撞性等滿足提速客車的要求。
  7. The influence of the eccentricity mass moment, position of mass center and the bearing stiffness to the vibration characteristics of the rotor system is discussed in detail ; 3. to verify the exactness of fem and learn the principle of vibration of dredge pump further, the orbit of the rotor shaft of the pump in the dredger is measured, the measurement results show : the repeat of the orbit of the rotor shaft is very bad when dredge pump is in the dredging mud condition

    模態分析確定了泥泵的振動特性（固有頻率和振型） ；諧響應分析確定了泥泵轉子軸在偏心力的作用下軸截面處的最大響應位移；研究了轉子軸的質心位置、軸承剛度和質量偏心矩對轉子軸振動特性的影響； 3 、採用軸心軌跡法，實船測量了泥泵軸工作時振動響應值。
  8. Secondly, calculation theory of construction for suspension bridge is presented under the ideal condition of dead load design. linetype change stiffness of cable and slip stiffness of supporting points are deduced based on segmental catenary theory. then numerical analysis method through sgkz2000 software are introduced in detail about calculating design linetype for suspension bridge, unstressed length of cable, erection linetype of cable and pre - displacement of saddle without loads, erection linetype of wire strands, the fixed position for erecting cable band and linetype of lifting stiffening girders

    其次，根據懸索橋恆載設計理想狀態建立了懸索橋施工計算原理；以分段懸鏈線索理論為基礎，推導了懸索的線形變化剛度和懸索支點的滑移剛度；介紹了懸索橋成橋設計線形計算、吊索無應力長度計算、空纜線形與預偏量計算、絲股架設線形計算、索夾安裝位置計算和加勁梁吊裝線形計算的具體方法、數值演算法及軟體sgkz2000的計算模塊的實現。
  9. Under the condition of knowing the mass, stiffness, damping and the real vibration response of stem, the propeller pressure impulses of blade frequency are deduced, these belong to structure dynamics problem that is loading identification problem

    摘要在已知船舶的質量、剛度、阻尼以及實測尾端振動速度的條件下，反推出螺旋槳葉頻激振力。
  10. Cavitations in foreign hydraulic turbines appear in clear water condition, so its destructive extent is not far more serious than in yellow river in our country. stronger stiffness and more agility are required for special - purpose robot for hydraulic turbine repair used in our country, especially robot for polishing after weld. foreign robot for hydraulic turbine repair could not satisfy our working require, so we develop special - purpose robot system that is used to polish and weld repair cavitated flow path surfaces of hydraulic turbines on all locations

    國外水電站的水輪機汽蝕是在清水條件下產生的，其破壞程度遠不及我國黃河等水域嚴重，用於我國水輪機修復工作的專用機器人，特別是補焊后承擔打磨的機器人，要求有更強的剛度和更大的靈活性，國外水輪機修復機器人滿足不了我國水輪機修復工作要求，因此我們開發了用於在機坑內對水輪機空蝕磨損破壞表面進行修復的「水輪機修復專用機器人」 。
  11. The deformation of the structure mainly focused on the isolated layers and the superstructure shift as a whole. the interlayer displacement of the isolation system is far low. the earthquake effect of the base - isolated structure is dicided on the horizontal stiffness and elastic and plastic capability of the isolated layer, the base shear, the interlayer shear, th ' e interlayer displacement of the isolation system is far lower than the result of the base - fixed system under the same condition of the superstructure

    橡膠墊隔震結構在水平地震作用下的反應以「整體運動」為主，結構位移主要發生在隔震層，上部結構的層間位移很小。隔震結構的地震反應主要決定於隔震層的剛度和彈塑性性能。其中，隔震結構的基底剪力，上部結構的層間剪力在多遇地震下，比不隔震時均有所降低。
  12. This paper bring out design method of inverse eigenvalue problem, which adapts to general structures with linear parameters, namely coefficients of all or partial elastic component and inertial component are treated as design parameters, for given some order natural frequency and corresponding vibrating mode, all of useable designing parameters will be got through solving a linear system of equations, thereby stiffness matrix and mass matrix of actual structure are constructed. this paper also discusses existence condition and unique of results

    提出了適用於具有線性參數的一般結構的逆特徵值問題的設計方法，即以系統的全部或部分的彈性元件與慣性元件的系數為設計參數，對于預先給定的若干階固有頻率及相應振型，通過求解一線性方程組即可確定全部實際可行的設計變量，從而構造出實際結構的剛度矩陣和質量矩陣，並論證了解的存在性與唯一性。
  13. Referring to a great deal of literature, the establishing method of these parts ’ mechanics models is researched. the results are explained after analysis by parametric fem models. the rollers and housings are optimized to reduce the cost on condition that strength and stiffness is satisfied and optimized structures are reanalyzed

    在查閱大量關于滾筒和機架的強度剛度分析計算的文獻基礎上，本文研究了傳動滾筒、改向滾筒、機頭（尾）架有限元模型的建立方法，採用參數化的有限元模型的技術進行分析，並具體闡釋分析的結果。
  14. 2. the complex stiffness corresponding to three bearing conditions of semi - infinite elastic subgrade, finite elastic soil layer and end bearing at the pile bottom are theoretically investigated, and analytical expression of the complex stiffness corresponding to finite elastic soil layer bearing condition is obtained. the special influence of bearing conditions on dynamic response at pile head is then discussed

    2 、對剛性支承、有限厚度土層支承和半無限空間支承三種樁底部支承情況下樁底支承復剛度和樁周土底分佈支承復剛度的解析表達及其特性進行了推導論證，通過假定樁底土為與樁等截面的土柱推導求得有限厚土層支承條件下樁底支承復剛度的解析解，並據此分析了不同底部支承邊界對樁頂響應的影響。
  15. The flexible retaining structure is another important retaining structure in soft soil. the integrated numerical analysis of this retaining structure ( including the methods and theory of calculating active earth pressure under sorts of conditions as well as the calculating method of horizontal stiffness coefficient of bracing structure and the method of deciding boundary condition etc. ) was gived. the effect of all parameters on the characteristics of retaining structure was discussed using methods of sensitivity - analysis

    本文針對目前常用的彈性支點法，給出了完整的數值分析方法，包括各種條件下的墻後土壓力的計算方法和原理、支撐系統（或錨拉系統）水平剛度系數的計算、邊界條件的確定方法等，並以此為基礎採用靈敏度系數分析方法討論了各參數對圍護結構形態的影響，指出土體側向基床比例系數是影響圍護結構變形的最主要的參數。
  16. Adjusting stiffness experimentation of jingyuan power sation ' s # 2 set indicat that to adjust the stiffness of joint and structure can resolve the problem of set ' s quiver on some condition

    通過靖遠電廠# 2機組發電機剛度調整試驗表明，在一定條件下，通過調整機組的連接剛度和結構剛度，可以有效的解決機組的振動問題。
  17. Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given

    首先通過引入勢函數方法對土體位移進行分解，從而將土體動力平衡方程解耦，求解得到了土層的振動模態和阻抗因子，然後利用該解以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用，求解樁的動力平衡方程，得到了樁頂的頻域響應解析解、復剛度和速度導納，利用卷積定理和傅里葉逆變換，求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。
  18. The influence of illumination conditions on the detector and temperature in sample cell was investigated. and a method of calibrating laser trap stiffness using brownian motion in the condition of low sampling frequency was studied. furthermore, in order to study the mechanisms of polymerizaton and depolymerization of tubulin under different conditions such as ph, temperature, and biological factor, a flow sample cell with temperature - control system was designed and fabricated

    在本課題研究中，一方面，我們建立和完善了一套國內領先的可以進行納米量級位移及pn量級力測量的光鑷系統，對光鑷系統本身的一些相關技術做了進一步的研究，提出了在低頻響條件下用布朗運動測量光阱剛度的方法，研究了光鑷系統中照明條件對樣品池中溫度及四象限測量系統的影響，並設計製作了用於微管實驗的流動樣品池，實現了對池內溫度的控制。
  19. Imitate to the launch environment, carry through 15g overloading acceleration analysis to the modal, get the maximum deform and stress of mirror tube structure on static force condition, validate the stiffness and the strength of the structure

    模擬發射環境，對模型進行了15g過載分析，得出了靜力作用下結構中的最大變形和最大應力，驗證了系統的剛度和強度。
  20. Study on residual stiffness of layer composite plates under cycle - loading condition

    循環加載條件下復合材料層板的剩餘剛度試驗研究
分享友人
分享到 Line

分享到臉書