接觸面應力 的英文怎麼說

中文拼音 [jiēchùmiànyīnglì]
接觸面應力 英文
contact stress
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 觸 : Ⅰ動詞1 （接觸） touch; contact 2 （碰; 撞） strike; hit 3 （觸動） touch 4 （感動） move sb ; sti...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 接觸 : 1. （交往） come into contact with; get in touch with 2. （沖突） engage 3. （挨上; 碰著） contact; touch
  1. Control the radius and position and improvement the status of inosculate and stress

    控制套圈的滾道曲率和位置，改善接觸面的應力狀態
  2. Nevertheless, in these approaches the contact intethee are charactered sboly ed stiffeess k. and k. " which is not perfect and rigorous in thc vitw of solid mechanics and rather rough for the description of the behavior of the idtfores. in collbet, taken as a contact problem, the principal chatrs of the idtcthees can be reflected : ( l ) the cbntact inifore is of shear strength which implies tha a generic pair of contact points on the inidse will displace coincidentally if the tangential fbrce at this point has not reahed the 1imit resistance, else, relative s1ide betwee the points will occur along the tangental direction. ( 2 ) no matter the relative slide occurs or not, the contact bodies cannot invade each other in any wise

    本論文在對這兩種方法進行認真的分析后，說明它們對不連續面的描述並不合理，也無法反映出不連續面的主要力學特性，同時指出，將帶有不連續面的巖土工程問題作為接觸問題計算更為合理，它可將不連續面受力變形的主要特點反映出來，即： （ 1 ）接觸面具有相應的「抗剪強度」 ，即當接觸面上某一點處的切向應力小於該點處的抵抗強度時，點對共同變形；達到強度時，則沿切向發生相對滑動； （ 2 ）在整個變形過程中，發生接觸的變形體不能相互侵入。
  3. This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action

    考慮了乞今最為全面的初始條件和邊界條件，包括模擬壩體的實際升程過程，考慮了新老混凝土接觸面上的初始溫度不連續，逐日的氣溫變化，混凝土的入倉溫度，水化熱溫升，邊界保溫，水庫蓄水過程，澆築間歇以及灑水養生等因素；應力場的計算考慮了混凝土的自重，靜水壓力，溫度應力，常態混凝土與碾壓混凝土不同的自生體積變形，混凝土的彈性模量隨齡期的變化以及徐變的作用。
  4. A series of tests were performed on the self - made fretting wear test rig to examine the fretting wear of steels, by taking the wear depth of steel wires as a characterization parameter describing the fretting wear in relation to contact load and fretting time. the results demonstrates that the fretting wear depth increases with the increasing of the contact load and fretting time

    結果表明，鋼絲試樣的微動磨損深度隨著接觸載荷和微動時間的增加而呈增長趨勢，但由於接觸面積和接觸應力在微動磨損過程中隨著接觸載荷和微動時間的變化而變化，使磨損深度在不同磨損工況下增長趨勢不同。
  5. The programme can solve two - dimensional stresses, strains and axial symmetry problems with different yield criteria. a satisfying solution has been put forward to the contact boundary between reinforcements and soil. the special problem of two contact plane elements at the joint between plate and strip has been solved

    該程序能同時考慮平面應力、平面應變和軸對稱問題，並能運用不同的屈服準則，使其更具有通用性和適用性，成功地解決了筋材與土介質界面的接觸問題，較好地解決了墻面板與筋帶連接處出現兩個接觸面單元的特殊問題。
  6. Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect

    主要結論如下：熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓力和速度不相容；峰值振蕩效應的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱，凡是影響激波形成及運動的因素都將對峰值振蕩頻率、冷效應及熱效應產生影響；當充、排氣時間比為0 . 1763時，最佳射流激勵頻率出現在高階峰值振蕩頻率上。
  7. Here, fem is applied in the analyses of i ) fiber axial stress and interphase shear stress in fragmentation tests during initially applied strain, ii ) influence of temperature on the stress transfer across the interface, iii ) modulus and thickness of the interphase and their influence on interfacial stress transfer, iv ) interfacial debonding process, and v ) fragment aspect ratio, contact friction along the interface and their influences to the interfacial stress transfer efficiency

    在論文的這部分工作中，使用有限元法描述和分析了逐節斷裂試驗中初始應變下的纖維軸向應力和界面相剪切應力，溫度對界面應力傳遞的影響，界面相模量和厚度、纖維節長寬比、界面脫粘過程、界面接觸中的摩擦效應等因素對逐節斷裂試驗中應力傳遞的影響。
  8. Statistical characteristic of fatigue strength of contact wires was obtained by comprehensively considering such coefficients as stress concentration, size and surface quality

    綜合考慮了接觸線應力集中系數、尺寸系數、表面質量系數和材料疲勞強度的影響，得到了接觸線疲勞極限的統計特徵。
  9. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限元原理與方法，分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題： （ 1 ）在分析現有幾種典型的管道垂直土壓力計算方法的基礎上，探討了影響垂直土壓力的主要因素以及改進的方法； （ 2 ）分別通過彈性理論分析法和結構力學的方法，建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程，並應用在算例中，把所得結果和有限元方法所得結果進行對比分析； （ 3 ）考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管道的接觸面因素的影響，利用有限元的思路，建立了地下管道橫向力學有限元計算模型和方法，並且採用大型有限元分析軟體ansys ，針對上埋式管道工程算例，得出了管周土壓力以及管道橫截面應力的分佈狀況和規律，並和理論值進行對比；針對施加柔性填料的上埋式管道工程實例，得出了減荷后的土壓力分佈，並和實測值進行了對比。
  10. Scaling effect on the mechanical behavior of the interface between coarse - grained materials and a structure

    粗粒料與結構物接觸面力學特性縮尺效應
  11. 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。
  12. Thus, the author attempt to develop a new model of anchor bolts so as to avoid the disadvantages. in the model, the interaction between the bolt and the geotechnical mass is taken as contact problem, in which if the tangential force at the interface has reached the limit resistance, the relative slide in the interface will occur along the tangential direction. also, the computational parameters in the model have tangible physical meanings and have less difficulty to obtain

    為此，本論文提出一種新的錨桿計算模型，它將錨桿與周圍巖土體間的相互作用作為接觸問題考慮，其計算理論比較嚴謹，能較好地模擬出錨桿的受力狀態及錨桿與巖土體間的剪切?滑移作用，即：錨桿?巖土體之間的接觸面具有抵抗強度，當接觸面上切向應力小於其抵抗強度時，錨桿與巖土體共同變形；達到抵抗強度時則沿切向發生相對滑動。
  13. During the course of stress calculation, the concrete watertight wall and the soil around are supposed to be linear elastic material, the onsolidation of dam is supposed to be completed before the watertight wall is constructed, the contact element is adopted to simulate the interface between the dam and watertight wall, and the completed before the watertight wall is constructed, the contact element is adopted to simulate the interface between the dam and watertight wall, and the influence towards the stress of watertight wall when water elevation changes is calculated by fem

    應力計算時將砼防滲墻及周圍土體假設成線彈性材料，假設在防滲墻施工時壩體固結已經完成，用接觸單元模擬壩體和防滲墻之間的接觸面，利用有限元計算出水位變化對防滲墻應力的影響。
  14. Three models are proposed as follows by applying the model of " mixed flow " : the stress of increasing fluid on fouling, collision between solid particles and fouling, and solid particles movement velocity ; the effects of operating parameters, properties of particles, and the volume fraction of particles on stress in solid - liquid two phase flow, collision stress between solid particles and fouling, maximal contacting area between solid particles and fouling and maximal contacting time between solid particles and fouling are investigated systematically by calculating and theoretical analysis

    利用「混流」模型，建立了兩相流體的剪應力模型、固體顆粒與垢層的碰撞模型和固體顆粒的運動速度模型；通過計算和理論分析，系統地考察了操作參數、顆粒物性、顆粒體積分率等對固液兩相流剪應力、顆粒對垢層的碰撞力、顆粒與垢層的最大接觸時間和最大接觸面積的影響。
  15. As the deformation caused by centrifugal force is beyond the small deformation range, the large deformation effect was also taken into account in the equation. two models are constructed, one is of shrouded blade and the other is of bladed disc. the static natural frequencies and dynamic frequencies ( under 3000rpm ) are calculated by the finite element method and cyclic symmetry technique

    針對葉片的結構特點，採用適應較強的三維八節點實體單元模擬葉片，建立葉片運動微分方程;葉片?輪盤系統在高速旋轉時，受到離心力作用，使葉片發生大變形，故在方程中考慮了幾何大變形的問題;為研究葉根輪緣之間的接觸狀態，建立了考慮葉根?輪緣接觸的有限元方程，利用拉格朗日增廣演算法來求解該方程，確定葉根輪緣之間的接觸面狀態。
  16. This program includes soil element, reinforcement element, goodman element and pile element etc. in the program, duncan - chang model was applied to earth, which can consider the nonlinear relation between the stress and strain

    該程序包括了土體單元、加筋體單元、接觸面單元和樁體單元。其中土體採用了duncan ? chang雙曲線本構模型，可以考慮土的應力-應變的非線性特徵。
  17. Results show that clamping angle dominated displacement of anchorage and failure mechanism : surrounding rock and soil compaction is induced by small clamping angle, instead, shear failure occurs in neighborhood soil of leading end of anchorage while clamping angle is big ; anchorage length influenced surrounding rock stress as nonlinear self - organization critical characteristic on interface ; anchorage size contribution to systemic primary monitor parameter is relatively uniform

    研究發現：夾持角控制著錨碇變位和破壞機理，夾持角過小時錨碇壓密圍巖土體，較大時錨碇前端附近土體則產生剪切破壞；錨碇長度影響接觸面圍巖應力量值，表現為非線性的自組織臨界特徵；錨碇體粗細對系統主要監控參數的貢獻相對均勻。
  18. Results the occlusion contact data and graph of wedge - shaped teeth defect had the features of trauma occlusion. 42. 97 % of them has the larger axial gradient degree, 96. 09 % of them has abration in different classes, 46. 29 % missing the front teeth and 57. 03 % missing the buccal teeth

    方法採用臨床物理檢查和石膏模型測量，確定楔狀缺損牙軸傾度、磨損指數、牙缺失等指標；採用計算機圖像處理技術，自行編制軟體程式及硬體系統，測試被檢光（牙合）片，分析並提取楔狀缺損牙接觸（牙合）力、面積、接觸點（牙合）應力等資料和圖形信息。
  19. The principle of precast segmental construction lies in that concrete segments are assembled as a whole structure to bear load through pressure acted on the segments by post - tensioning tendons

    預制節段拼裝原理是藉助預應力束施加於混凝土節段上的壓力，使得節段間接觸面緊密貼合，形成整體結構共同承擔荷載。
  20. Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given

    首先通過引入勢函數方法對土體位移進行分解，從而將土體動力平衡方程解耦，求解得到了土層的振動模態和阻抗因子，然後利用該解以小應變條件下樁土接觸面上力平衡和位移連續條件來考慮樁土耦合作用，求解樁的動力平衡方程，得到了樁頂的頻域響應解析解、復剛度和速度導納，利用卷積定理和傅里葉逆變換，求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。
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