虛位移定理 的英文怎麼說

中文拼音 [xūwèiyídìnglǐ]
虛位移定理 英文
theorem of virtual displacement
  • 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...
  • 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
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  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. They are studied that the nonlinear problem and un - determinate problem of virtual displacement in nonholonomic system in the second chapter. in chapter 3, they are studied that chetaev model and vacco model in nonholonomic system. a unified form of hamilton principle in intrinsical linear nonholonomic system is studied in chapter 4

    第一章對非完整動力學研究的有關現狀進行了綜合評述；第二章研究了非完整系統虛位移關系的不定性問題與非線性問題；第三章比較研究了一般非完整系統的chetaev模型和vacco模型；第四章研究了本質線性非完整系統的hamilton原理；第五章給出了本文的結論與有關研究的展望。
  3. The rational spectrums of all kinds of virtual displacement definitions and commutativity of d, ? operations are given and testified in this paper. the research methods of intrinsical linear nonholonomic dynamics are similar to those of holonomic dynamics. the rationality and equivalence of chetaev model and vacco model in the intrinsical linear nonholonomic system are testified from the mathematic and mechanical aspects

    本文研究了非完整動力學中使不定性問題確定化的交換關系和將非線性問題線性化的虛位移定義，首次證明並給出了在非完系統中各種虛位移定義與交換關系的合理適用范圍，指出完整動力學與本質線性非完整動力學在研究方法上具有相同性。
  4. In general, a precise resistor is in series with one of the resistors in wheatstone bridge to compensate the zero offset, and the other one is in parallel with another arm of the wheatstone bridge to compensate thermal zero drift. based on this principle, in this paper, a compensation method based on virtual instrument technology has been put forward. actuated by current source, a good calculation method of compensation resistors and their position in the bridge is deduced

    本文基於串並聯電阻補償法的原理，提出了一種基於虛擬儀器的誤差補償方案，推導了在恆流源供電下可以精確的計算出補償電阻大小和補償位置的演算法，並且在虛擬儀器軟體平臺labview上完成了數據採集、處理、顯示等軟體的設計，經過實驗的驗證，對傳感器的零點溫度漂移補償取得較好的效果，而對靈敏度溫度漂移的工藝補償亦有一定的效果。
  5. The base is divided into finite block element. so, the stress and load that this system divided can be calculated. combining analyzing morrow point dam on colorado river with this method, the rationality of it is validated

    應用上述方法，結合morrowpoint雙曲拱壩，計算了該壩的分載與徑向位移，其成果合理，驗證了本文建立的壩體虛擬彈性地基梁與壩基塊體有限元組合的拱壩分載法的合理性，且滿足工程精度的要求，有一定的實用價值。
  6. ( 2 ) to determine the worst load case accurately and quickly, influence faces of main sections are plotted < > ( 3 ) combining the influence face with the pre - reinforcement space fe model, the internal force and the stability are computed, then the main reasons of the disease are analyzed

    （ 2 ）為準確快速地確定最不利荷載工況，運用虛位移原理和邊界元相結合的新方法，繪制了主要檢算截面的內力影響面。 （ 3 ）應用空間有限元模型，結合內力影響面，對加固前進行內力和穩定性計算，分析其主要的病害原因。
  7. Abstract : this article deduces the calculation formulation of jointless - track ' s stability using the theorem of bogus - locomotion, and calculates the influences of the changes of various parameters on jointless - track ' s stability and suggests some important principles of keeping jointless - track ' s stability in the process of maintaining jointless - track

    文摘:利用虛位移原理推導了無縫線路穩定的公式，計算了各種參數的變化對無縫線路穩定的影響，提出了在線路養護工作中保證穩定的一些重要原則。
  8. On the basis of large - displacement virtual principle, the finite element equations of stable type suspension bridge containing towers are driven. the stiffness matrixes of the cable element, the bar element and the beam element using node coordinates are given, too. such method has not been found in reference books

    論文從有限位移彈性理論的虛功方程出發，推導出穩定橋全橋結構的非線性有限元運動方程，還推導了用節點坐標表示的索單元、桿單元和梁單元的單元剛度矩陣，這一點在參考文獻較少見。
  9. 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。
  10. According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed

    在對其結構特點和運動規律分析的基礎上，本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具，以單片機為控制核心，以超聲電機為驅動元件，以高精度光電編碼器作為速度和角位移檢測裝置，實現了機械臂的復位以及預定軌跡的閉環控制系統的開發;同時為適應一些強度不大、精度要求不高的應用場合，也為降低成本，簡化控制裝置，推動新型護理機械臂短期內應用推廣的需要，以目前應用較為廣泛、控制技術較為成熟的步進電機為驅動元件，用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統，實現了手臂的復位、勻速運動以及預定軌跡的控制系統;為推廣護理機器人在針灸理療中應用，設計了簡單的手指機構並利用labwindows / cvi開發環境，以及智能材料驅動器? ?層疊式壓電驅動器，進行了手指的抓取以及對驅動對象的轉動控制。
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