linear displacement analysis 中文意思是什麼

linear displacement analysis 解釋
線性位移分析
  • linear : adj. 1. 線的，直線的。2. 長度的。3. 【數學】一次的，線性的。4. 【動、植】線狀的；細長的。5. 由線條組成的，以線條為主的，強調線條的。
  • 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...
  • analysis : n. （pl. -ses ）1. 分解，分析；【數學】解析。2. 梗概，要略。3. 〈美國〉用精神分析法治療（＝ psychoanalysis）。
  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. Secondly, the effort is made to develope new type of transition element for multi - scale fatigue damage simulaton of long - span structures for the transition between elements for the hot spot stress analysis and the structural element. the linear and piecewise linear interplotion function for displacement interplotion are used for the transition element formulation according to the displacement compatibility requirement between element interfaces

    在綜合已有的構造過渡單元模型關于位移插值形式的基礎上，通過採用分段線性位移插值模式和線性位移插值方式，並在位移模式中引入非協調位移模式，強迫構造單元通過分片試驗，構造了一種用於疏密網格單元連接過渡單元。
  3. According to the frndamental and the steps of this method, we cans use the linear regress filter method to make the simulation of the wind load and then we can educe the curve of the time - process wind velocity. after that step, we can get the chart of the dynamic wind load which we can deliver the crosswind into the particle wind load and put them on the corresponding cell nodes. then we can do the analysis of the dynamical wind load through the time - process analysis to get the max value of the displacement

    根據線性回歸濾波器法的基本原理和步驟，藉助相關軟體進行風荷載的人工模擬並得出風速時程曲線，進而轉化為風動力譜，由此將橫風向風力表達成節點風荷載作用於相應的單元節點上，按時程分析法對該空間桁架體系進行風荷載的動力分析，求出結構在進行風動力荷載分析時，結構相應節點對應的最值位移值。
  4. The methods considering the elastoplasticity are the elastic - plastic hinge method and the pseudo load method. based on the need of non - linear analysis, researchers brought forward nonlinear calculation methods to control the iterative constringency, such as the load controlling method, the displacement controlling method, the arc length controlling method and the pseudo load method

    考慮彈塑性的分析方法有：彈性-塑性鉸法和虛擬荷載法根據非線性研究分析的需要，研究人員先後提出了：荷載控製法、位移控製法、弧長控製法和做功控製法等控制迭代收斂的非線性計算方法。
  5. On the basis of displacement - time series of the slope, a nonlinear dynamic model is set up according to backus generalized linear inversion theory in this paper. due to the equivalence beween autonomous gradient system and catastrophe model, a standard cusp catastrophe model can be obtained through variable substitution. the method is used in analysis of displacement data of huangci landslide and wolongsi landslide and in understanding how slopes evolve before sliding. the result shows that the nonlinear dynamic model can make satisfactory prediction result. is it most important that there is a sudden fall of d, which indicates the occurrence of catastrophe ( when d = 0 )

    研究表明，滑坡變形失穩過程具有混沌和分維特性，可以用分形理論來研究滑坡預測問題，基於對任一連續函數，至少在較小的鄰域內可以用多項式任意逼近的數學理論，運用改進的backus廣義線性反演理論，以斜坡位移時間序列為基礎，反演了斜坡演化的非線性動力學模型。並利用自治梯度系統與突變模型的等價性，通過變量代換得到標準的尖點突變模型。
  6. Three circumstances on the geometric non - linear analysis are considered : the sag phenomenon of cables the nonlinear behavior of bending members and the geometry change due to large displacement. the non - linear behavior of cables is verified by introduced the ernst cable modulus of elasticity and cr formation is applied to analyze the non - linear of beams. an incremental - iterative method based on the newton - raphson method is adopted here to solve the non - behavior equations

    幾何非線性分析主要考慮三個方面：索的垂度效應、樑柱效應和結構大位移，其中：索的非線性分析採用ernst彈性模量對索材料的彈性模量進行修正，計及索的垂度效應的方法；梁單元的非線性分析採用cr列式法，計算中採用基於newton - raphson法的增量迭代方法求解非線性方程組。
  7. The boundary element method ( bem ) is applied to compute crack open displacement ( cod ). because of unit area being resolved or linear integrated, the efficiency and precision of boundary element analysis are improved greatly

    採用裂紋張開位移全場擬合法（ gcdfp ）求出裂紋面前緣的應力強度因子（ sif ） ，所得到的sif達到與所用的裂紋張開位移（ cod ）資料同樣的精度。
  8. Using the finite element method ( fem ), the simulation and analysis on this construction process were carried on, and the different stress state of soil at different construction period was rendered. and the influence of different stress paths ( foundation excavation - unloading & excavation filling - reloading ) on the stress and the displacement was also reflected and researched. the law of non - linear constitutes of soil was presented in the simulation and analysis

    模擬分析再現了土體的非線性本構關系，得到了基坑開挖時土體變形和應力變化的一般規律；在基坑及上覆土體回填時，通過分層填築的有限元模擬和地基、涵洞、土體三者相互作用的有限元分析，得到施工結束太原理工大學碩士學位論文時的位移場和應力場，同時求得涵洞的結構內力。
  9. Input pulse signal can be directly transformed into micro - step linear motion by use of linear pulse motor, which have found wide applications in the digital linear servo systems with high positional accuracy and high reliability. taking slpmu - 025a, a two - phase hybrid lpm manufacturing by shinko motor company ltd, as an specimen, the study on the drive control system is carried out in this thesis, which contains : ( l ) three kinds of drive circuits are designed and comparison analysis in theory is done ; ( 2 ) introduction to at89c51 microchip as controller and special micro - step constant current driver, a great variety of running modes driver control are developed ; ( 3 ) experimental testing and theoretical analysis of current waveforms and displacement graphs and velocity graphs are carried out in case of different micro - step constant current driver

    本文以日本神鋼電機株式會社生產的兩相混合式直線脈沖電機slpmu - 025a為樣機，對直線脈沖電機的驅動控制系統進行了研究，內容包括： （ 1 ）設計了幾種直線脈沖電機驅動器電路，從理論上進行了對比分析研究； （ 2 ）用at89c51單片機作為控制器，採用專用的恆流細分驅動器sh ? 2h057m ，實現了開環控制方式下對slpmu ? 025a樣機各種運行方式的驅動控制； （ 3 ）對不同細分數下恆流驅動的電流波形以及各種運行方式下的位移圖、速度圖進行了實驗測試和理論分析研究。
  10. Secondly, the author assumes material is elastic, separately adopts planar model and spatial model of the 6 - 12 - 18 - storey spatial concrete frames reckons in shear deformation and axial deformation and contrastingly analyzes lateral displacement of the frames under taft. e1 - centro and tianjfn seismic wave considering geometric non - linear effect or not in order to find out the rule about geometric non - linear effect on earthquake - resistant behavior of multi - storey and highrise concrete frame structure under strong - motion earthquake. simultaneously, the author weighs the effect of spatial self - bracing function on structural analysis by contrasting lateral displacement between planar model and spatial model of the frames

    其次，作者在彈性材料假定下，對六層、十二層、十八層空間混凝土框架，分別取其空間模型和平面模型，計入剪切變形、軸向變形的影響，按考慮幾何非線性因素與否，分別在taft 、 e1 ? centro及天津地震波作用下，作以對比分析，以找出幾何非線性效應對多高層混凝土框架結構在強震作用下抗震性能的影響的規律；同時，對平面模型與空間模型之間的空間相互作用，均以其幾何非線性情況下的位移反應作對比分析，來衡量空間相互作用對結構分析的影響。
  11. Base on the analysis of the grating linear displacement measurement theory, the measure errors especially the subdivision error of the grating scale, this paper focuses on the theory of switch and merge of dual grating scales ’ signals, builds the design criteria of high speed high precision displacement measurement by using dual grating sales, designs the switch picking reference with high precision and fast switch and merge method, analyses the errors brought in by switch and merge of the duals grating scales

    在分析光柵線性位移測量原理、光柵尺的測量誤差尤其是細分誤差的基礎上，本文重點研究雙光柵尺切換與合成的原理，建立了基於雙光柵尺高速高精度位移測量的設計準則，根據設計準則設計了切換基準拾取方法以及快速切換與合成方法，分析了雙光柵計數值切換合成的誤差。
  12. The extrusion is successfully divided into three ideal stages through the analysis on the pressing force and displacement curve in the process of extrusion. the mathematical model of three import and one export about extrusion velocity, temperature, extrusion force and displacement was constructed by the combination of first order classic least - square algorithm and least - square linear identifying, and the steady control to extrusion force was realized

    採用一次經典最小二乘演算法和最小二乘在線遞推辨識相結合的方法，建立了以擠壓速度、溫度和位移為輸入，擠壓力為輸出的三輸入單輸出數學模型，同時對于在擠壓過程壓制階段中出現的不穩定現象，提出了合理的解決方案，能夠對擠壓過程壓制階段的壓制力進行較好的預測。
  13. In order to obtain elastic stiffness matrices and geometry stiffness matrices that do not depend on subdivision of the element for convergence, the displacement functions are expressed in terms of the geometry properties of the section and this consideration leads to the formulation of exact stiffness matrices for linear elastic analysis given in this paper

    本文利用有限元方法對變截面梁單元進行研究。為了得到精度不依賴于劃分單元數目多少的彈性、幾何剛度矩陣，本文採用變截面構件幾何特性積分所獲得的軸向、側向位移函數。
  14. Accounting for the effects of imperfection and large displacement of arch, an approach for the stability analysis of arch bridge is presented ， and a program is developed to predict the nonlinear buckling of arch the elastic lateral stability of the jiefang arch bridge in guangzhou during the construction phases and operating periods after its completion is analyzed the results show that the effects of initial deflection and large displacements on the critical load of lateral stability are significant, and that once the initial deflection and large displacement are taken into account, the values of the safety factor are smaller than those obtained by linear buckling analysis

    考慮拱肋初始撓度等缺陷的影響，採用桿系結構大位移分析的有限元方法，建立了拱橋非線性穩定的計算方法，並編制了相應的計算程序文中計算了解放大橋鋼管混凝土拱橋在施工階段及成橋后運營期間的彈性側傾穩定結果表明：考慮拱肋初始撓度和結構大位移影響后，拱橋的非線性側傾穩定安全系數比按線性穩定計算值低
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