force of constraint 中文意思是什麼

force of constraint 解釋
拘束力
  • force : n 1 力，勢。2 體力，氣力，精力，魄力。3 暴力，壓力；兵力，武力。4 〈pl 〉 部隊，軍隊，兵力。5 勢...
  • of : OF ＝Old French 古法語。
  • constraint : n. 1. 強迫，拘束。2. 約束，壓抑，拘泥。3. 強制力。4. 緊張感[狀態]。
  1. In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements

    本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象，選擇對斷開點和節臂球銷的位置進行優化設計，在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型，運用該學科的運動學分析方法研究機構的運動規律，編制了通用優化設計軟體。由於考慮了更多的空間因素，取消許多影響準確性的假設，因此建立的數學模型與傳統的方法相比更能反映實際運動規律，得到的優化結果也更加精確實用。此外，本文還針對導向機構進行受力分析，在建立該機構的空間動力學模型后，運用多體動力學中的動力學分析方法研究各個桿件的受力，計算出上下球鉸的約束反力，並開發出了相應的通用計算程序。
  2. In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction

    本文利用常規直剪儀、三軸儀以及輕便固結儀，分別對非飽和膨脹土的強度和變形特性以及干濕循環對強度和變形的影響進行了一系列的試驗研究。以飽和度、干濕循環次數為變量，分別探求了外力約束對膨脹土強度的影響，不同飽和度膨脹土的總應力強度特性，干濕循環對非飽和膨脹土總應力強度的影響，飽和度與壓縮模量以及孔隙比的關系，干濕循環對飽和膨脹土有效應力強度指標的影響，廣義吸力與飽和度的關系，建議了一組計算非飽和膨脹土變形及強度特性的經驗公式。
  3. Two - level algorithm is developed to deal with the two objective function optimal designs that are the radial constraint force and the axial force of the upper structure. corresponding program has been developed to optimize the prestress of the lamella ' s suspen - dome and kiewitt ' s suspen - dome. analysis of construction process is the key problem to suspen - dome

    本文採用二級優化的步驟對徑向約束反力和上部桿件軸力兩個優化目標同時進行了預應力優化，並編制了相應的程序對聯方型和kiewitt型弦支穹項結構進行了預應力優化設計。
  4. The mobility mechanism of the surplus rural labor force in china under the trio constraint of risk, competence and cost

    成本三重約束下中國農村剩餘勞動力的流動機制
  5. The author advances that the shear connector is simulated by two spring elements, which are vertical to each other and parallel to the interface between steel and concrete, and one multipoint constraint element, mpc element, which is vertical to the interface. the author also puts forward that the crack of the deck is simulated by the gap element which ca n ' t support longitudinal tensile force but can support longitudinal compressive force

    提出了以正交的兩個平行於鋼和混凝土界面的彈簧單元及一個垂直於界面的多點約束（ mpc ）單元來模擬剪力鍵，以小間隙接觸（ gap ）單元來模擬混凝土橋面板的開裂，模型中忽略了混凝土板與鋼梁接觸面間由摩阻而產生的粘著力。
  6. Based on energy theory, wrinkling criterion in deep drawing for axisymmetric parts is derived to take geometry parameters, friction coefficient, material properties, and the law of critical blank - holder force ( bhf ) of side wall wrinkling in the constraint condition of initial wrinkling into account

    從能量平衡原理出發，通過對屈服準則的線性化處理，推導了考慮幾何參數、摩擦系數和材料性能參數、板材皺曲時約束條件的軸對稱拉深成形過程中側壁起皺臨界壓邊力的變化規律，給出了皺曲判據。
  7. The ideal constraint force of 1 - order nonholonomic constraint

    一階非完整約束的理想約束力
  8. Then the system can use automatic constraint violation stabilization method for differential / algebraic equations to get state, displacement, velocity, acceleration of multibody system in different time points under external force

    該系統採用絕對坐標方法自動建立多體系統動力學方程，其形式為微分代數混合方程，即euler - lagrange方程。利用約束違約自動穩定方法求得多體系統在外力的作用下姿態、位移、速度、加速度。
  9. According to the design theory of the cable - stayed bridge and to the feature of the cantilever construction the authors propose a construction control method called optimum completion state method ( ocsm ) for rc cable - stayed bridges in the proposed method, the optimum completion state is regarded as the final target of the construction control, and the optimum construction state at each construction stage is taken as the technical route the key of the method is to properly choose or adjust the cable forces the objectives function of optimization is to minimize the elevation error of the girder under the constraint condition that the internal forces ( bending moments ) of the girder are bounded the optimization variables are the cable forces on the basis of the above principles, a optimum model for a construction step is established and cable force adjustments can be found for each construction step in this model, the creep and shrinkage effects of concrete have been considered a bridge example is given which shows that the final state of the bridge is very close to the design aim and that this method is much better than the so - called double - control method the example is a good illustration of the soundness and practical value of the proposed method

    根據現代斜拉橋結構設計理論和懸臂施工方法的特點，提出了以最佳成橋狀態作為施工控制的最終目標，以實施最佳施工階段為技術路線，以索力調整為核心內容的斜拉橋施工控制理論，簡稱為最佳成橋狀態法；以斜拉橋主梁標高誤差最小為目標函數，以主梁內力（彎矩）為約束條件，以索力為優化變量，建立了最佳施工階段的索力調整計算模型；推導了考慮徐變收縮效應的索力調整計算公式；用最佳成橋狀態法對一實橋工程進行了施工控制全過程計算研究，得到的成橋狀態與設計目標相當接近，優于該橋以「雙控」為控制目標的實測結果，有力地證明了本文方法的正確性及其工程實際價值
  10. The analytical expressions of constraint force, internal force on cross section, and flexibility of the rod are obtained via the first integrals

    利用方程的初積分導出約束力、截面內力及撓性線的解析表達式。
  11. Dynamic characteristic of orthogonal vierendeel dome was discussed, and the influence on vibration characteristic acted by difference including rise - to - span ratio, shell thickness, section area and constraint condition was studied. vibration shapes - separation - spectra - method and time - history method were adopted to analyze the dynamic response of orthogonal vierendeel dome under common earthquake. by comparing dynamic response in different direction and dimension seismic excitation, the value and distribution of dynamic internal force were obtained

    本文研究了正交空腹網殼結構的動力特性，分析了矢跨比、網殼厚度、腹桿截面和支座約束條件對結構自振特性的影響；採用反應譜法和時間歷程法對正交空腹網殼的地震響應作了詳細的分析，分別研究了結構在不同方向地震激勵下和在不同維數地震激勵下動力響應的數值大小和分佈規律，並比較了兩種方法的結果差異，對抗震設計具有參考價值。
  12. Foundation of the constraint condition of cutting force in optimization of nc turning parameters

    數控車削用量優化切削力約束條件的建立
  13. To solve this problem, in this paper, the internal force in the constraint conditions are modified when the height of section changes

    為解決這一問題，本文將約束條件中的彎矩和剪力設計值隨樁截面高度的變化加以修正。
  14. An optimization process of a thin - walled structure was performed by the response surface method, which took the maximum absorption energy from an impacting process as objective, the properties of the thin - walled structure as variables, and the impacting axial force as constraint

    摘要運用響應面法，以碰撞吸收能量最大為目標，薄壁結構幾何尺寸為設計變量，碰撞作用力為約束，對薄壁結構進行結構優化。
  15. In order to solve this problem, we put forward the concept of customer - feature, and take it as the constraint factor and driving force

    為了解決這個問題，我們提出了顧客特徵的概念，並把它作為了產品定製流程中的約束因素和推動力。
分享友人
分享到 Line

分享到臉書