elastic contact 中文意思是什麼

elastic contact 解釋
彈性接觸
  • elastic : adj. 1. 有彈力[彈性]的。2. 伸縮自如的，靈活的。3. 機變的，輕快的。n. 橡皮線，松緊帶，橡皮圈。adv. -ally
  • contact : n 1 接觸；聯系；交涉。2 〈美國〉（有勢力的）熟人；門路。3 【數學】相切；【電學】接觸；觸頭；觸點...
  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 scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

    2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路，系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線性有限元數值計算方法、粘彈性體非線性形變的本構物理關系；對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。
  3. High performance and high precision copper and copper alloy strips, electrolytic copper foil, lead frame, copper clad and printed - circuit board, special enameled copper wire, fashioned copper bar, track contact wire, medium and high elastic copper strips for interconnecting devices, precision alloy copper pipes for ac and cooling appliance, over - long and corrosion - resistant copper alloy condenser pipe, seamless cooper water pipe in housing construction and other copper fine and deep processing products will be highly developed in jiangxi province

    江西將重點發展高性能高精度銅及銅合金板帶、電解銅箔、引線框架、覆銅板及印刷電路板、特種漆包線、異型銅排、軌道接觸線、接插元件用中高彈性銅帶材、空調與製冷精密合金銅管、超長耐腐蝕銅合金冷凝管、建築用無縫銅水管等10項銅精深加工產品。
  4. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法；利用ug軟體對燕尾榫聯接結構創建了參數化實體模型；基於ansys軟體平臺求解彈性接觸問題，獲得了榫聯接結構接觸應力及接觸狀態量的分佈；在已有微動疲勞壽命預測模型的基礎上，引入載荷頻率影響因子，對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測，與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。
  5. Solid model of the involute worm gearing solid model with drive ratio 1 / 50 is built by using ideas - 5. 0, then the elastic contact analysis is proceeded on the basis of contact fem. the dynamic evolution image of the area of the contact zone, the load sharing among instantaneous meshing tooth pairs, the distribution of the contact force, and tooth stress are obtained. 3

    通過漸開線圓柱蝸桿、蝸輪的齒面方程式，利用ideas - 5 . 0軟體建立了傳動比為1 / 50的漸開線圓柱蝸桿傳動的實體幾何模型，在此基礎上應用接觸有限元方法對該傳動進行了彈性接觸分析，包括接觸區的形狀、位置、載荷在瞬時嚙合齒對的分配狀況； 3
  6. The model from the input to the output of the piezoelectric traveling wave ultrasonic motor is established by synthetically using lagrange - maxwell equation, hertz elastic contact theory and coulomb friction theory, along with considering electromechanical coupling, influence of the interface force between the stator and rotor of the motor on the amplitude of the traveling wave inside the stator and dynamic contact friction friction force

    利用拉格朗日?麥克斯韋方程以及赫茲彈性接觸理論，庫侖摩擦理論，考慮機電耦合效應，定、轉子間界面力對彎曲行波的影響及其動態接觸摩擦力，建立了壓電行波超聲波馬達從輸入到輸出的機電耦聯系統的數學模型。
  7. Life of electric switch with self - elastic contact finger is long

    自力型觸指，開關電氣壽命長
  8. Based on the difference between the corresponding limit of displacement from both side of contacted bodies, a local direct error estimator of bem solution for 3d elastic contact problem is presented, and then a scheme of adaptive bem is suggested

    在此基礎上提出將接觸體接觸單元間與域內解連續的邊界位移之差的某種度量作為三維彈性體接觸問題邊界元法的一種誤差直接估計，並且提出了三維彈性體接觸問題邊界元法的一種自適應計算方案。
  9. The boundary integral equation for elasticity is derived through the general green ’ s formula and the corresponding fundamental solution. the paper represents the contact conditions, which are essential for the coupling of the boundary integral equations of the two different elastic contact bodies, in a local coordinate system properly chosen

    利用廣義格林公式和基本解得出彈性問題的邊界積分方程，採用循環迭代的方法，通過尋求與接觸條件相協調的接觸邊界位移及面力增量來確定接觸區域的大小。
  10. In this dissertation, some basic investigations on the bem of 3d elastic contact problem have been carried out, which can be listed as follows : at first, an early investigation of authors " group, on direct error estimation of bem solution for elasticity problem, is extended from 2d problem to 3d elastic contact problem. an accurate and efficient algorithm for the determination of boundary displacement, which is continuous with the displacement solution within the domain of an elastic body, is then presented

    本文對三維彈性體接觸問題的邊界元法做了若干應用基礎性研究，其中主要包括以下幾個部分：作者首先將本研究組提出的彈性力學問題邊界元解誤差的直接估計從二維推廣到三維問題，給出了確定與域內解連續的邊界位移的一種精確有效的方法。
  11. For the boundary nonlinear problems, such as elastic contact problem, the boundary displacements and boundary tractions are just the basic variables of the boundary integral equation, and the contact conditions can be satisfied with higher accuracy in bem ; therefore, the bem can be applied to solve the elastic contact problem more accurately

    對于彈性接觸問題等邊界非線性問題而言，由於邊界位移和邊界面力正是邊界積分方程中的基本未知量，邊界元法能以更高精度滿足接觸條件，因此，邊界元法能更精確地求解彈性接觸問題。
  12. A general matlab program for computing the 3 - d frictional elastic contact problem by boundary element method is compiled. the wire race - ball advancing contact problem is numerically calculated, the 3 - d distribution of contact stress and deformation is plotted and the evolvement of contact area is given

    採用matlab語言編制了三維摩擦型彈性接觸問題的通用邊界元程序，對鋼絲滾道?鋼球擴展型接觸問題進行了數值計算，得到了接觸應力和接觸變形的三維分佈以及接觸區域的大小。
  13. In this thesis, the combination of photoelastic and numerical methods is used to study the two - dimensional elastic contact problems

    本文利用光彈性-數值組合解法對平面彈性接觸問題進行了研究。
  14. A boundary element method based on an iterative technique for solving the three - dimensional elastic contact problem is presented

    本文採用一種基於迭代技術的邊界元法求解鋼絲與滾道的三維摩擦型彈性接觸問題。
  15. The effects of several factors on contact problems are discussed, and the experiment examination is provided for the numerical solution of elastic contact problems

    分別探討了幾個因素對接觸問題的影響，為數值求解平面彈性接觸問題提供實驗驗證。
  16. This paper discusses the shape optimization problem of 3 - d elastic contact objects in theory using bem, and analyses the real contact problem of bears and rolls

    本文以邊界元法作為應力分析工具，對三維彈性接觸物體的形狀優化問題進行了理論上的探討，並對直齒輪接觸問題、滾子接觸問題進行了實際分析。
  17. This paper discusses the optimization problem of 3 - d elastic contact objects in theory using bem, and analyze the real contact problem of helical gears. the author developed the program which is necessary for the stresses analyses

    本文以邊界元法作為應力分析工具，對三維彈性接觸問題的形狀優化問題進行了理論上的探討，並對斜齒輪接觸問題進行了實際分析。
  18. The author developed and made advanced the common program 3dcbem, selected cvm as the optimize algorithm. a integrated shape optimization software system of 3 - d elastic contact program based on 3dcbem was constructed

    作者完善和發展了三維彈性物體接觸應力通用邊界元分析程序3dcbem ；選取約束變尺度法作為優化演算法，構建了一個完整的三維彈性接觸問題形狀優化軟體系統。
  19. Special grids is adopted for solid model of conical roller bearings by applying for three - dimensional solid and contact elements, aiming at its characteristic, stress and load distribution of elastic contact problems. finite element model built in the paper is fit for objective practice, with flexible - flexible contact bodies and surfaces - surfaces contact mode

    本文針對汽車后橋傳動錐軸承的接觸彈性變形特點、接觸應力及負荷分佈規律，採用三維實體單元及三維接觸單元對圓錐滾子軸承實體模型進行特殊的有限元網格劃分，將接觸單元按柔體一柔體處理，採用面一面接觸分析模式，建立了符合實際的有限元模型。
  20. In term of that, the solution result in two different condition is achieved by ansys software. deep research and comparing analysis between the classical solution and the finite element result is made on contact stress & formation and load distribution of conical roller bearings by revised classical formula of elastic contact problems, according to finite element solution in two different interfering conditions

    根據有限元數值模擬結果對經典解析解中接觸彈性變形量與作用負荷的關系進行了修正，利用修正過的接觸彈性變形公式對汽車后橋傳動錐軸承的接觸應力和變形及負荷分佈規律在無游隙及負游隙兩種情況下進行研究，並將結果與經典解析解進行了對比分析。
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