約束位移 的英文怎麼說

中文拼音 [yāoshùwèiyí]
約束位移 英文
constrained displacement
  • 約 : 約動詞[口語] （用秤稱） weigh
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 移 : Ⅰ動詞1. （移動） move; remove; shift 2. （改變; 變動） change; alter Ⅱ名詞（姓氏） a surname
  • 約束 : keep within bounds; restrain; bind; bound; boundage;tie; restraint; restriction; engagement; repr...
  1. Based on the inverse resolution kinematics models of the three - transferable and one rotational parallel kinematics platform we analyzed the factors restricting motion of the moving platform in the models

    在三平移一轉動並聯平臺位置反解模型基礎上，分析了反解模型中約束動平臺運動的因素。
  2. Using matlab and its add - ons simulink, through establishing simulation maths model, the paper integrates open chain vector equation ( describing motion restriction ), numerical value simulation ( computing velocity and displacement while given acceleration ) and matrix algebra, etc. to accomplish dynamic simulation for the robot and verifies the results for kinematics of the robot using analysis method, and it establishes foundation for following study for the robot such as kinetics, control, etc

    利用matlab及其附加軟體simulink ，通過建立模擬數學模型，綜合開環矢量方程（描述運動約束） 、數值模擬（在加速度已知時計算速度和位移） 、以及矩陣代數等來完成機器人動態模擬，對所研究的機器人運動學分析結果進行驗證，結果基本一致，為機器人的后續研究，如動力學，控制等奠定基礎。
  3. First, the nonlinear ls problem without constraint is converted to that subjected to inequality constraints by putting constraints on the do as of the received signals and toas of the first arrived signal with geometrically based single - bounce ( gbsb ) statistical channel model and cost - 207 model. then, a penalty function is used in the estimation of ms position

    首先，用基於幾何結構的單次反射圓模型和cost - 207模型，對期望定位用戶的各條多徑信號的波達方向和最先到達多徑信號的時間進行約束，將傳統的解無約束的非線性最小二乘定位問題或近似線性最小二乘定位問題轉化為解不等式約束的非線性最小二乘定位問題；然後，用內點罰函數法估計移動臺的位置。
  4. Relative key concept and technique of this method was described in detail in this paper, such as the decomposition of balance matrix, the modes of self - stress, the modes of inextensional mechanisms, the analysis model of optimization under linear constrained condition, the integration of constrained matrix

    文中對桁架理論的奇異值分解法、自應力模態、機構位移模態、有約束線性優化數學模型、約束矩陣集成等關鍵概念和技術進行了詳細的推導說明。
  5. The mo - dified first - come - first - served algorithm, time - adva nc e algorithm and constrained position - shift algorithm are put forward to automat ically plan the most efficient landing order, to assign optimal spaced landing times to all arrivals without violate the spacing requirements for different typ es of aircraft and to enhance the usage of the runway under heavy traffic condit ion in the terminal area

    為了能夠在終端區交通繁忙的情況下高效地為到達的飛機流安排合理的著陸次序，並在不違反飛機間距要求的情況下給出各飛機經過優化的著陸時間，提高機場跑道的利用率，提出了經過改進的先來先服務、帶有時間提前量、帶有約束的位置偏移三種排序演算法。
  6. Slope - deflection equation with a type of non - ideal constraints at end of beam

    一類非理想桿端約束下的轉角位移方程
  7. When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved

    分析斜支承連續曲線箱梁橋時，採用考慮翹曲作用的曲線格子梁分析方法，應用矩陣位移法對具有約束支承形式的斜支承連續曲線薄壁箱梁橋進行分析，考慮到支座的約束條件並不與梁端彎曲角位移和扭轉角位移的方向一致，引入支座節點坐標矩陣，使得梁端的位移未知量與斜支座約束方向一致，來計算單元剛度矩陣和單元節點力，然後按照矩陣位移法組集總剛並建立結構剛度方程，根據結構剛度方程即可求解未知的節點位移及桿端力，推導出任意截面處的內力計算公式。
  8. Based on the theories of hybrid / mixed finite element method, the generalized energy functional including stress, mechanical displacement, electric displacement, electric field and electric potential is used, with the electric - potential relations and the constitutive equations of piezoelectric materials constrained, hybrid energy functional including mechanical displacement, electric potential and stress is gained. moreover, splitting in - plane components and transverse components, the mixed energy functional in which mechanical displacement, transverse stresses and electric potential as basic variables is derived. with the use of surface stress parameters of sub - elements, the continuity of transverse stress at interfaces between layers is obtained

    在回顧雜交混合有限元理論的基礎上，從包括位移、應力、應變、電勢、電位移、電場強度六個未知量的廣義壓電材料能量泛函出發，通過約束電場強度?電勢關系、應力與應變及電場強度的關系，得到僅包括位移、電勢、應力三個未知量的雜交變分泛函，利用一般層合板的雜交混合變分原理，分離面內分量和橫向分量，導出以位移、橫向應力、電勢為未知量的壓電層合板的修正變分泛函，作為壓電層合板的雜交元列式的理論基礎。
  9. Abstract : in mixed - interface modal synthesis method, the substructural displacement is considered as the synthesis of the elastic displacement to interface free - points and the implicated displacement produced by the fixed - points

    文摘:在混合界面模態綜合法中，子結構的節點位移被視為相對于對接界面約束節點的彈性變形和伴隨約束節點的牽連運動位移之和。
  10. The kinematic performance of the macpherson suspension on a real vehicle is studied, and the changes of the front wheel alignment and the motion of the front wheel in the longitudinal and the transversal directions are figured. based on the requirements of general layout, a constrained optimization design model is set up with the steering cross rod ball joint position as the optimization variables ( design parameters ), and the sum of steering cross rod length interference while the left front wheel turning and bouncing as the objective function. and the optimization results are worked out by programming on computer

    針對一種實際車型上的麥弗遜式懸架，計算分析了轉向輪跳動時前輪定位角和車輪橫向、縱向滑移量的變化情況，並根據實際車型上麥弗遜式懸架的空間布置要求，建立了以轉向橫拉桿斷開點空間位置坐標為優化變量，轉向橫拉桿斷開點空間布置坐標可變化范圍為約束條件，車輪轉向和跳動時轉向橫拉桿長度干涉量為目標函數的約束優化設計模型。
  11. To restrict the displacement at stiffening girder ends under action of earthquake and to ensure that the girders will not cause too fast movement speed towards the expansion joints lest the joints should be damaged, the constraint devices are intended to provide for the girder ends of xihoumen bridge, the zhoushan mainland and islands link project

    摘要為限制地震作用下加勁梁的梁端位移以及使梁體不對伸縮縫作用過大的速度以免損害伸縮縫，計劃對舟山大陸連島工程西堠門大橋設置梁端約束裝置。
  12. Then using the method of unit virtual - load, the displacement constraints are transformed into a explicit function to the design variables

    然後利用單位虛載荷法將位移約束轉化為設計變量與約束的顯式關系。
  13. The posture stabilization problem of nonholonomic wheeled mobile robots is studied using this method, and the simulation results verify the validity of this method

    利用該方法對具有非完整約束的輪式移動機器人的位姿鎮定問題進行了研究，模擬結果驗證了該方法的有效性。
  14. A bearing surface transmits the interaction between an arch dam and its foundation, the strength of which directly affects the constraint of the bedrock to the dam, and thus affects the stress and deformation of the dam. the influence is studied in this paper with nonlinear finite element method, as an example, for a high arch dam in design. the results show that the influence on stress is only limited within the local area near the bearing surface, larger on the maximum principal tensile stress than on the principal compression stress, and the decrease of the strength does not cause unlimited increase of the maximum stress. the influence on the displacement of the top of the dam is smaller than that of the bottom of the dam, especially the relative downstream displacement. at the lower strength of the bearing surface, the relative downstream displacement at the bottom of the dam increases with the decrease of the strength

    建基面是傳遞拱壩和基巖相互作用的紐帶，它的強度直接影響基巖對壩體的約束，從而影響壩體的應力和變形.採用非線性有限單元法，以設計中的某高拱壩為例，分析建基面強度對壩體應力和變形的影響.結果表明建基面強度對壩體應力的影響僅限於建基面附近的局部范圍，對最大主拉應力的影響要大於對最大主壓應力的影響，建基面強度的降低不會無限地增大壩體的應力數值；建基面強度對壩頂位移的影響較小，但對壩底位移（尤其是順河向相對位移）的影響較大，當建基面強度較低時，壩底順河向相對位移隨建基面強度的降低而增大
  15. The effects resulted from the omnidirectional mobile platform on the singular configuration, manipulability and directional manipulability of the manipulator were analyzed profoundly, and the results were compared with that of the wheeled mobile manipulator which was subjected to nonholonomic constraint

    在廣義可操作度概念的基礎上，分析了全方位移動平臺對機械手奇異位姿、可操作度及方向可操作度的影響，並與受非完整約束的差分移動平臺對機械手的相應影響進行了比較。
  16. Also it has very important significance to other structure form such as continuous beam. though the continuous beams can restrict their displacement for each other, and the beam ' s falling will hardly happen, the displacement of the pier ' s top will make a great influence on the internal force ' s distribution, which will cause the structure ' s partial damage

    同樣對于連續梁等其它結構而言，雖然連續梁橋中梁與梁之間能夠相互約束位移，不易發生落梁震害，但墩頂在地震時的位移將對梁的內力分佈產生極大影響，有發生局部破壞危險的不利處。
  17. This paper established optimization mathematical models with the structural reliability constraints based on the structural reliability analysis. in this paper, truss and beam structures are studied as the research objects and the structural elements cross sectional areas as the design variables

    在結構可靠性分析的基礎上，構建了以桿、梁截面積為設計變量，使結構重量極小化為目標函數，同時具有應力和位移可靠性約束的優化設計數學模型。
  18. Based on finite element and general reliability analysis, the structural optimization design model based on probability is constructed, which refers the cross - section areas as the design variables, refers the minimum of the frame ’ s weight as the object with the reliability restricts of stress and displacement

    在結構廣義可靠性分析的基礎上，構建了以桿截面積為設計變量，使結構重量極小化為目標函數，同時具有應力和位移廣義可靠性約束的優化設計數學模型，並將其應用於天線結構的優化設計之中。
  19. 2. for the problem with size, stress and displacement constraints, the stress constraint is transformed into movable lower bounds of sizes, the displacement constraint is transformed into an approximate function which explicitly includes design variables by using mohr integral theory. a mathematical programming model of the optimization problem is set up. the dual programming of the model is approached into a quadratic programming model

    2 .對于尺寸、應力和位移約束的問題，將應力約束化為動態下限，用單位虛荷載方法將位移約束近似顯式化，構造優化問題的數學規劃模型，將其對偶規劃處理為二次規劃問題，採用lemke演算法進行求解，得到滿足尺寸、應力和位移約束條件的截面最優解。
  20. Furthermore, the comparison is made between eso and mathematical programming. in continuum structure optimization, eso is applied for topology optimization under the constraints of stress, displacement and frequency. in addition, eso is applied to the optimization for shells reinforced by ribs

    在連續體結構優化方面，討論了幾類約束下基於漸進優化方法的連續體拓撲優化，這些約束分別是應力約束，位移約束以及頻率約束；利用漸進優化方法，進行了加筋板殼結構的形狀優化研究。
分享友人
分享到 Line

分享到臉書