displacement equation 中文意思是什麼

displacement equation 解釋
驅替方程
  • displacement : n 1 轉位,移動;取代,置換;(人的)流離失所。2 撤換,免職。3 【機械工程】(活塞)排氣量;【航海...
  • equation : n. 1. 平衡,均衡;平均,相等。2. 【數學】方程式,等式。3. 【天文學】(時)差;均分,等分。4. 【化學】反應式。
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. In the computation module, mindlin formula is applied to calculable the displacement of the rock ( soil ). based on the presumption that the rock ( soil ) and the anchor has the same displacement at the interface, the equation of displacement of rock ( soil ) and the anchor is made

    在該計算模型中,運用mindlin公式計算巖體位移,並基於在桿體與巖土體接觸面上位移相等的假定與桿體的位移建立等式,進而求出沿桿體全長的剪力分佈。
  3. 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。
  4. The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn

    首先,作者針對機器人的設計要求提出了多個方案,對其進行分析比較,選擇其中最優的方案進行了結構設計;同時進行了運動學分析,用d - h方法建立了坐標變換矩陣,推算了運動方程的正、逆解;用矢量積法推導了速度雅可比矩陣,並計算了包括腕點在內的一些點的位移和速度;然後藉助坐標變換矩陣進行工作空間分析,作出了實際工作空間的軸剖面。
  5. Based on the invariability of dynamic equation, the interrelation among recursive equation of relative displacement, velocity and acceleration are also obtained

    通過動力方程的不變性說明了相對位移、相對速度和相對加速度三個遞歸公式的內在關系。
  6. Based on the force - method equation, the stiffness matrix and fixed - end nodal displacement and force vector are derived

    在力法方程的基礎上,給出了組合梁單元的剛度矩陣、桿端位移向量及桿端荷載向量並建立了剛度方程。
  7. According to the computation process of the fem and assumption, associating of the fem mesh that have separated and the grouting stress diffusion equation, the integral stiffness matrix and the load matrix can be formatted, then the displacement of the nodal point can be got after solving the simultaneous linear equations. and then the grouting parameter can be computed and analyzed

    然後,依據有限元法的計算步驟和所作的假設,結合已經離散化了的網格、灌漿壓力擴散衰減公式,形成整體剛度矩陣、荷載矩陣,經求解后得到結點的位移,並依此計算分析灌漿參數。
  8. While according to dynamics correction method, the valve displacement curve has to be design, which can be acquired by boundary condition and calculation method. then by dynamics analysis, the tappet displacement curve equation can be obtained based on the dynamics differential equation. thus, the design of cam profile can be carried out based on the tappet displacement curve equation

    按照動態設計的動力學修正方法進行設計時,又得先進行氣門升程曲線的設計,利用一定的邊界條件和計算方法得到氣門確定的運動規律,再通過動力學分析,根據建立的動力學微分方程,經過計算得到挺柱的升程曲線方程,至此,就可以根據挺柱的升程曲線進行凸輪輪廓曲線的設計。
  9. Based on the fundamental solution of two perfectly bonded elastic halfspaces, and using the boundary integral equation method and the finite - part integral concepts, the problem is reduced to a hypersingular integral equation in which the unknown function is the crack opening displacement discontinuity

    首先根據雙材料空間的彈性力學基本解,使用邊界積分方程方法,在有限部積分的意義下導出了以裂紋面位移間斷為未知函數的超奇異積分方程。
  10. Abstract : according to the characteristics of solid - liquid two - phase flow, the equation of motion and the equation of continuity for hammer computation are deduced in this paper. the equations are applied to analyze the effect of different prevention deveces used to relieve water hammer pressure in pipeline transport with displacement pumps. it is concluded that the air vessel and pressure relief valve are better than other devices

    文摘:本文針對固液兩相流的特點,建立了水擊計算的運動方程及連續方程,並採用新方程對礦山常採用的容積泵輸送中使用的儲氣罐、泄壓閥、緩閉逆止閥等減緩水擊壓力的防護措施進行了計算分析,得出儲氣罐、泄壓閥減壓效果最好的結論。
  11. The paper formulates the dynamic analyses of hydraulic operating mechanism in large space, established mathematical model, presents methods of differential equation system, and corrects its parameters concerned in process of solution. after the unloaded characteristics calculation and test under real condition are developed for type lw - 252 breaker equipped with hydraulic operating mechanism, the time - displacement cures and the velocity - displacement cures are obtained

    本文對液壓機構的速度分析,用了大量的篇幅,建立了數學模型,給出了其方程組的求解方法,並對求解過程中所涉及的系數給予修正,在此基礎上對本課題研製的配液壓機構lw - 252斷路器進行了實際條件下的空載特性計算及實驗研究,獲得了斷路器的時間? ?位移曲線和速度? ?位移曲線。
  12. The present findings of nonlinear research in frame structures, and the methods for design of second - order effect in the codes from china and other countries, were briefly introduced in this paper. the contents and methods of design and calculating about second - order effect in gb50017 - 2003 were discussed as well. a rotational displacement equation for geometric nonlinear structures was derived, and then a nonlinear finite element program for rigid frames was compiled by fortran

    本文簡要地介紹了框架結構非線性研究的現狀以及各國規范對框架二階效應的設計內容和方法;對我國《鋼結構設計規范》 gb50017 - 2003給出的考慮框架結構二階效應的方法進行了探討;推導了基於幾何非線性框架的轉角位移方程,在此理論基礎上用fortran語言編制了剛性框架二階內力分析的有限元計算程序,並用此結構分析程序對多種框架進行了一階和二階的彈性分析,討論了二階效應在框架分析中不應忽略的原因,同時分析了影響框架二階效應的因素。
  13. In order to predict hydrodynamic characteristics a computational system is developed including determination of the pressure distribution on a wing section by use of the conformal mapping method and panel method respectively and of the flow in boundary layer according to the thin shear layer approximation ( tsl ) for navier - stokes equation approach. the wing sections of naca4412 and naca0012 are applied to test the computational system. the numerical inspection shows that the panel method with better precision and the momentum and the displacement thickness of boundary layer can be used to complete this calculation

    本文分別用守屋的保角變換法和基於源匯渦分佈的面元法,建立了計算槳葉表面壓力分佈的數學模型;應用納維-斯托克方程的薄層近似理論模式和有限差分數值方法,建立了計算機翼表面邊界層內部流動的數學模型;應用槳葉表面邊界層內部粘性流動和外部勢流流動在邊界上的匹配演算法,建立了槳葉表面二相流流動的計算方法和相應的計算機程序。
  14. Then each. cable - strut - membrane unit is analyzed by adopt the non - linear finite element analytical method. according to virtual work principle, the equation of solving is formed, from the timid displacement principle, derive and happen to ask the equation of solving. through the whole n - r method, cooperative form - finding of the cable - strut - membrane structure will be realized

    然後,採用非線性有限元分析方法,對各個單元進行分析,由虛位移原理,推導出求解方程,通過全n - r法迭代,實現索桿膜結構的協同找形。
  15. By using the method of error analysis of mbs, the identification equation of geometric error parameters is derived and according to the condition that the rank of coefficient matrix of error measurement equation group must be full, we can get 18 terms geometric error of 3 - axis nc machine tools and three displacement error and three position error

    應用誤差辨識軟體,解得各測量點的十八個誤差參數,即每個運動方向的三個位移誤差和三個位置誤差,再根據實際情況獲得三項垂直度誤差,得到了所有的21項誤差。
  16. This paper describes the vibration equation of this structure, and derives the horizontal vibration displacement and acceleration response spectrum and the mean square response on the base of the complex modal analytical theory

    建立該結構體系在脈動風作用下的振動方程,基於隨機振動的復模態理論,推導位移和加速度響應譜及均方響應的表達式。
  17. Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then , a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable , in conventional analysis and design of steel structures , it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design , but cannot precisely reflect structural practical circumstance and the errors of calculating results are large , even , get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 , 10 ) , however , it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper , at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring , base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally, a program for calculating semi - rigid with incremental - iterative method has been

    本文的目的就是為半剛性連接鋼框架的設計提供一種既符合工程實際又簡便易行的計算方法,供規范使用過程的補充、延伸或參考;同時,也將促進半剛性連接鋼框架設計技術的發展,為提高結構安全性能、節省工程成本發揮應有的作用。本文首先介紹了常見的幾種應用較為廣泛的樑柱連接彎矩轉角關系模型,在分析比較的基礎上,選用richard ? abbott函數模型作為外伸端板連接彎矩轉角關系模型,通過對34個外伸端板連接的實驗數據與回歸分析得到的參數比較可知,經回歸分析得到的此模型參數與實驗數據符合較好。然後用彈簧表徵連接點的轉動剛度,根據梁的轉角位移方程推導出半剛性連接的剛度矩陣,在單元剛度矩陣中考慮了節點柔性、幾何非線性和剪切變形的影響,並對固端力進行了修正,最後用增量迭代法編制有限元程序進行計算和分析。
  18. Then a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring. basing on rotation and displacement equation, we obtain the element stiffness matrixes with semi - rigid connections where the effects of material nonlinear, hysteresis behavior and shear forces in the connection deformations have been considered in and at the same time we modify the fixed - end forces. finally, a program for calculating the elastic - plastic earthquake seismic of semi - rigid connected steel frame structure by step and step integration of wilson -

    本文在介紹和分析半剛性連接彎矩與轉角連接關系模型的基礎上,用帶有轉動剛度的彈簧表徵半剛性連接,推導出半剛性連接的剛度矩陣,並對桿件固端力進行修正,同時在考慮剪切變形、材料彈塑性、及構件的動力滯回性能的基礎上,編制了結構彈塑性地震動力時程分析有限元計算程序。
  19. Then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring, base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects of jointed flexibility and shear forces in the connection deformations have been considered in and fixed - end forces are modified. finally, a program for calculating system reliability of semi - ridge steel frames with monte carlo method and finite element analysis has compiled for calculating and analyzing. by calculating results of several examples for steel frame in semi - rigid joints case show the change of joint stiffness and other kinds of factors affect the system

    接著本文在介紹和分析半剛性連接彎矩和轉角關系模型的基礎上,用帶有轉動剛度的彈簧表徵半剛性連接,推導出半剛性連接的剛度矩陣,對固端力進行修正,同時考慮了剪切變形的影響,編制了半剛接鋼結構平面框架的有限元程序bhpfl ,並在其基礎上編制了基於蒙特卡洛法的montecarlo - bhpfl有限元相結合的方法,進行體系可靠度的分析。
  20. Disassembling part - units were obtained after judging the disassembling of connective part - units by possible displacement equation groups and corresponding algorithms were presented

    用遞階結構圖表達各拆卸層次的子拆卸單元,並給出遞階結構圖的構造方法。
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