虛變形 的英文怎麼說

中文拼音 [xūbiànxíng]
虛變形 英文
virtual deformation
  • 虛 : Ⅰ名詞1 （空虛） void; emptiness 2 （政治思想等方面的道理） guiding principles; theory 3 （二十八...
  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. The article approximately has three parts : part one mostly analyses the result and influence of the " glorious revolution ". part two will discuss the formation of the cabinetwork usage through the argument of the cabinet organization foundation, the role change of the cabinet minister and the cabinet responsibility. part three mostly discusses the role and the function of the cabinet in the course of making the king a mere figurehead, relaxing the tense relationship between the king and the parliament and forming multi - powers situation

    全文大致分為三部分：第一部分主要分析「光榮革命」的結果及其影響；第二部分將從內閣組閣基礎、閣臣的角色變換及內閣責任制三個方面來探討內閣運行慣例的形成；第三部分主要分析內閣在虛化王權、緩和國王與議會之間的緊張關系和形成權力多元格局中所扮演的角色及發揮的重要作用。
  3. If shear, torsional and axial deformations are to be taken into account, their effects must be added into the expression for internal work.

    在計算中若考慮剪切、扭轉及軸向變形，則其影響應該迭加到內虛乘積功的表達式中。
  4. Similarly, according to the deformation mechanism of ebsf and the virtual work theory, the influence of three different active beam links on the terminal carrying capacity, stiffness and ductibility of ebsf is deducted

    同樣，根據偏心支撐框架的幾何變形機制，應用虛功原理，重點推導並分析比較了分別採用d型、 k型或者v型支撐時對結構的極限承載力、彈性剛度以及延性的不同影響。
  5. The errors of mechanism which include errors of manufacturing components, assembling and controlling and the errors caused by temperature growth and elastic deformation of forced components affect directly the processing precision of virtual - axis machine tools

    機構的誤差直接影響虛擬軸機床的加工精度，機構誤差包括構件製造誤差、裝配誤差、控制誤差和由溫度變化和彈性變形引起的誤差等。
  6. Nowadays, 3d modeling and computer animation have got widely applications, such as entertainment industry, man - machine interaction, multimedia, communication etc. the third dimension head portrait has been applied to correlative areas, for examples, movie special effects, virtual conference call, internet increment business, mobile internet increment business and software operation interface etc. in the fields of geometric modeling and computer animation, the deformation technology is an important tool

    今天，在娛樂產業、人機交互、多媒體、通訊等領域中三維建模和動畫獲得了越來越廣泛的應用。真實感的三維頭像可以應用於諸如電影特技、虛擬電話會議、網際網路增值業務和移動網際網路增值業務以及軟體操作界面等相關領域。在幾何造型和計算動畫領域中，變形技術已經成為一種越來越重要的工具。
  7. The corresponding control equation is given. the control equation and boundary condition about the addiontional small deformation ' s effect caused by initial stress using virtual principal theory in cylindrical reference frame. generalized stress and strain and equivalent constitutive equation are given

    第四章提出了描寫柱形薄殼中初應力的數值特徵，將應力的三維分佈轉化為二維分佈，給出相應的支配方程；在柱坐標系中，利用虛功方程建立了初應力對附加小變形影響的控制方程和邊界條件；給出了廣義應力、廣義應變及等效本構關系。
  8. This article deduced the calculation method of column hinge sway in framework structure by analyzing plastic sway of the column hinge sway mechanism ? the most dangerous collapse model in the framework structure with the virtual principle of plastic analysis, and calculated two framework structures and the results is almost the same as those calculated by method of plastic analysis

    通過對框架結構最危險的倒塌模型? ?柱鉸形側移機構，對薄弱層的塑性變形通過塑性分析的虛功原理推求框架結構柱鉸形側移的計算方法，應用此計算方法對大連市兩棟框架結構進行計算，其結果與彈塑性時程分析法結果基本相符。
  9. This paper is preluded by summarizing the modeling methods, key techniques in vr ( virtual reality ). based on that, textiles are chosen as the research objects for the reason that previously, because textile distortion mechanism was not introduced, the 3d coordinates on the surface of textiles could not be formalized in accordance with their physical rule. naturally, there was an absence of realism and generality and the movement of textile cannot be simulated under any given forces applied such as rippling in the wind in virtual textile demonstrating

    本文首先對建模方法這一虛擬現實中的關鍵技術進行了綜述，在此基礎上選擇以織物作為對象來研究，這主要是由於以前沒有引入織物變形機理，織物表面各點的三維坐標無法用符合物理規律的公式進行表達，導致在織物的虛擬展示中，缺乏真實性與通用性，無法模擬各種受力情況下織物的運動，諸如隨風飄動的效果。
  10. The influences of the thermal deformation of resonator mirrors induced by absorption of laser energy on geometric structure parameters of unstable resonators and intensity distributions of the far field were theoretically analyzed using finite difference methods

    摘要利用交替方向隱式有限差分法分析了高能激光器虛共焦非穩腔反射鏡的溫度場及熱變形的數值計算方法。
  11. On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells

    本文結合型號研製中小曲率機翼整體壁板類零件坯料展開課題，基於板料厚向變形忽略不計的先驗假設，首創混合四邊形-三角形網格等面積展開的幾何模擬法確定壁板類零件毛坯外形，給出了混合四邊形-三角形網格等面積展開演算法；提出了虛擬分割線的概念，採用虛擬幾何對稱軸，給出了規整四邊形單元展開基帶上結點的計算方法；採用映射原理和求交演算法確定了壁板內部結構信息的展開定位。
  12. It is shown that the bruises of geogrid are decreased if sheep - foot roller is used when lay - down thickness deeper than 30cm. the deformation of geogrid mainly comes of construction. the infiltration of rainwater is disadvantage for the stabilization of geogrid reinforced embankment

    研究表明：在填土虛鋪厚度大於30cm的情況下，採用羊腳碾壓路機碾壓能有效減小土工格柵的損傷；實際工程中土工格柵的變形主要來源於施工的影響；雨水的入滲對土工格柵加筋路堤的穩定性極為不利；水泥土是經濟合理的坡面防護措施。
  13. With the theory and methods in this dissertation, chapter 5 introduces the reconstruction model in vdds - cad ( the virtual deformation design cad system ), coming up with some examples of surface reconstruction. finally, conclusions were drawn from this dissertation with recommendation for future research in chapter 6

    第五章以摩托車曲面虛擬變形設計軟體的開發為背景，簡要介紹摩托車曲面虛擬變形設計軟體的概況，然後詳細討論變形曲面重建模塊的主要功能及實現方法，並給出和分析了系統的應用實例。
  14. To achieve the object, firstly, the theory of virtual work principles for deformable body is established. then, by means of the principle, the expressions for classical problems and contact problems are constructed, which are the basis of the following fem. sequentially, the fem formulae for contact problem can be obtained with no difficulty

    論文中，作者首先對變形體虛功原理作了理論分析和研究，確定了建立變形體虛功原理的基本原則和方法，據此建立了固體力學經典問題的虛功原理，進而用於接觸問題，建立其相應的計算公式，為下面的有限元計算奠定了基礎。
  15. On the basis of the principle of virtual work for deformable body, a finite element method for the contact problem was proposed and the procedure for solving an elasto - plastic contact problem was given, especially focusing on the technique to deal with the penetrating contact status, i. e. two contact bodies penetrate each other

    根據變形體的虛功原理，建立了接觸問題有限元公式及相應的計算方法，介紹了求解彈塑性接觸問題的過程，並著重討論了「侵入」狀態的處理方法。
  16. The stochastic equation of virtual work based on total lagrangian method is developed to analyze the influences of vicoelasticity, large deformation and randomness simultaneously. the nonlinear equilibrium equations of viscoelastic stochastic fem are derived. the full newton - raphson method is used to get the numerical solutions

    建立了基於totallagrangian法的隨機虛功方程，能夠同時考慮粘彈性、大變形以及隨機性的影響，導出了非線性粘彈性隨機有限元平衡方程，分析了其具體迭代求解方法。
  17. Abstract : a previously proposed approximate quasi - static theoretical method is employed herein to examine the deformation and perforation of a simply - supported circular plate struck by a flat - faced projectile at normal incidence. based on the principle of virtual work, static load - displacement relationships are first obtained and then used to predict the energy - absorbing capacity of the plate subjected to relatively low speed impact. it is shown that good agreement is obtained between the theoretical predictions and the available experimental data, provided that adiabatic shear plugging failure does not occur, but the influence of strain rate sensitivity is taken into account

    文摘:採用準靜態近似理論方法分析簡支圓板在平頭彈丸正撞下的變形和穿透.首先基於虛功原理得到了靜態荷載位移關系，並將其用於預測低速沖擊下圓板的能量吸收能力.當考慮了材料的應變率敏感性，並且不發生絕熱剪切沖塞破壞的前提下，理論預測和實驗結果吻合良好
  18. As an interdiscipline research tcpic, virtual surgery incorporates the researches about computer science, computer graphics, sensor technology, biomcchanics, modem medicine, image processing, computer vision, robot technology, scientific computing visualization, etc. using all of the above techniques we can implement the geometrical model, physical / compute model, collisior detection, real - time deformation ( cutting, tearing etc ), and realistic rendering of human soft tissue

    虛擬手術模擬研究涉及計算機圖形學、計算機視覺、彈性力學、生物力學、機器人學、醫學等諸多領域，通過上述領域知識實現組織器官對象的幾何模型、物理/計算模型、碰撞檢測、對象實時變形（響應、破裂等） 、手術過程真實感繪制等功能。其中人體軟組織器官的物理/計算建模是實現虛擬手術模擬的關鍵技術之一。
  19. In chapter two, the liner theory of elasticity solid ' s addiontional on initial - stress configuration is narrated, the initial stress is adopted as parameter described currently configuration, corresponding virtual principal and variation method are given, and the energy theory of balanceable stable critical condition is put forward according to the ideology of addiontional deformation on initial stress configuration

    第二章從初應力位形上彈性固體附加變形的二次理論入手，引出了初應力位形上附加小變形的場論；採用初應力作為描寫當前位形的參數，提出相應的虛功方程和位移變分原理；從初應力位形上附加變形的思想，提出平衡穩定臨界條件的能量原理。
  20. The recent developments of computer visualization technology meet the ever - growing need for doctors, surgeons, and medical students to gain valuable insight into human physiology and pathology

    本文提出了一個網上交互醫學學習系統，並提供了一個虛擬現實工具包以支持二維醫學圖像序列觀察、體數據和表面數據的三維可視化、目視放大鏡，以及醫學數據的交互變形模擬。
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