接面應力 的英文怎麼說

中文拼音 [jiēmiànyīng]
接面應力 英文
contact stress
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : 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...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : 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...
  1. Abstract : for analyzing the residual stress distributing state within the weld joint, and its effect on the performance of welding structure, when welding the ferrite pearlite steel with the austenite steel, this paper develops a finite element program to compute the interface stress of two or over two material. finally, this program is used to analyze the mechanical behavior of heterogenic joint

    文摘:為了分析鐵素體、珠光體類鋼與奧氏體類鋼焊時,焊頭處焊殘余的分佈狀態及其對焊構件性能的影響,研製了可計算兩種或兩種以上材料界的有限元程序,並用此程序分析了異質頭的學行為。
  2. The diffusion welding behavior of single - crystalline cu to single - crystalline - aio with a nb film interlayer and the joint microstructure properties were studied by tem, sem / eds analyses and four - point bend testing. the nb film interlayer deposited by electron beam evaporation on the ceramic side prior to diffusion welding was found to be olycrytalline and fiber - textured after diffusion bonding, with the close - packed plane ( 110 ) being parallel to the ( 0001 ) basal plane of - aio

    擴散連技術是一門邊緣科學,涉及材料、擴散、相變、界變等各種行為,工藝參數多,雖然已經進行了大量的試驗研究,但卻對各種材料的連機理尚未有明確的認識,為此人們試圖藉助于計算技術,對頭行為進行數值模擬,以便找到共同規律,對擴散連過程及質量進行預測與實時控制。
  3. 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觸載荷和微動時間的增加而呈增長趨勢,但由於積和在微動磨損過程中隨著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。
  4. 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、平變和軸對稱問題,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觸問題,較好地解決了墻板與筋帶連處出現兩個單元的特殊問題。
  5. In this thesis the generation of orthogonal - aligned - shaft face gear, finite element analysis ( fea ) of the bend stress and contact stress of the fg drive are studied

    本文主要研究了正交齒輪的齒生成、正交齒輪傳動的彎曲的有限元分析。
  6. 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變下的纖維軸向和界相剪切,溫度對界傳遞的影響,界相模量和厚度、纖維節長寬比、界脫粘過程、界觸中的摩擦效等因素對逐節斷裂試驗中傳遞的影響。
  7. In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered

    確定了船體梁整體破壞時的剖分佈之後,關鍵在於確定板架的極限屈曲強度。本文充分考慮了在縱向彎曲、橫向壓作用下加筋板可能發生的幾種破壞模式,即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊殘余、初撓度的影響,使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲,採用解析法推導出筋的腹板的撓度方程及其邊界條件,求解相的方程,從而計算出腹板的局部屈曲
  8. Cracking failure of centrifugal compressor ' s impellers was analyzed, the welding craters in the impellers led to stress concentration. the unsteady gas flow accelerated the development of cracks in the impeller

    摘要針對某石化公司離心壓縮機葉輪多次發生開裂、掉塊等故障以及裂紋形成機理進行了分析。分析結果表明了葉輪開裂原因系疲勞開裂,葉輪焊缺陷產生了焊弧坑,造成表集中,氣流激振加速了裂紋擴展。
  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計算方法的基礎上,探討了影響垂直土壓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學的方法,建立了地下管道柔性圓環和剛性管涵的橫向靜計算方程,並用在算例中,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、初始場以及土體和管道的因素的影響,利用有限元的思路,建立了地下管道橫向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,得出了管周土壓以及管道橫截的分佈狀況和規律,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分佈,並和實測值進行了對比。
  10. Using vogel ' s wear index as the rail side wear index, the paper analyzes the side wear variations of rail head when the parameters in the wheel / rail system vary, analyzes the influences of track irregularity on rail uneven wear on gauge corner emphatically. this paper analyzes the rail side wear dates measured by track division of shan hai guan since 1990, then gains the relationship between side wear and traffic volume and sums up the characteristics and regularities in the formation and development of side wear. in the end, some measures for regarding the side wear on curves are put forward

    從輪軌摩擦、輪軌觸幾何關系、輪軌和輪軌蠕滑等方對鋼軌側磨耗機理進行了探討,從軌道幾何參數、機車車輛運營條件等方對鋼軌側磨耗的影響因素進行了重點分析和總結;用輪軌系統動學,建立了輪軌空間耦合振動時變模型,採用vogel側磨指數作為鋼軌側磨指標,系統分析了輪軌參數變化的情況下,軌頭側磨耗的變化規律,重點分析了軌道不平順對鋼軌不均勻側磨的影響;對山海關工務段1990年以後現場測得的曲線鋼軌側磨數據進行了分析,通過擬合得到了鋼軌側磨量與運量的關系曲線,並總結了曲線上股鋼軌側磨耗的特徵和發生、發展規律;最後提出了一些減緩曲線鋼軌側磨耗的措施。
  11. To directly estimate the life of this kind of motor, and to design a orbit curve with the longest life at same condition, this paper gives theoretic research of the equal contact stress inner curve of radial piston motor. the research is divided into four parts : 1 ) taken all forces the piston endured into consideration when radial piston motor working, the force between roller ( or ball ) and orbit is deduced. the simple style of the press expression can be confirmed by ignoring minor influence factors after analysis all factors that will influence this press

    靜壓傳動技術在各類工程機械中得到廣泛的用,對作為其核心部件的徑向柱塞式低速大扭矩液壓馬達的研究顯得十分重要,為了能直對這種馬達進行壽命估計,並能在相同工況下求得壽命最長的軌道曲線,本文從設計等內曲線的角度對這類馬達作探討性的研究,主要從以下四個方進行: ( 1 )綜合考慮徑向柱塞式液壓馬達工作時的各種主要受狀況,對柱塞組件進行受分析,並通過模擬分析影響軌道和滾動體間正壓的各個因素,得到正壓的簡化表達式。
  12. This thesis set forth the method and process of designing to kiln tyre using robust method. when constructing the math model, it was thought of that there were structure parameters, such as the tyre " media and width, and a series of uncontrolled factors ( contact stress, bend stress stiffness and temperature stress, and the aim is to optimize the weight of the tyre )

    在構建數學模型中,考慮了輪帶內徑、輪帶寬度等結構參數以及輪帶的允用、允用彎曲、輪帶的彈性模量、輪帶內外表的溫差等不可控因素,以輪帶的、彎曲、剛度溫度為約束條件,以輪帶的重量最輕為優化目標,通過改變輪帶的寬度以及輪帶的外徑進行參數優化設計。
  13. Abstract : this article presents an analysis of the contact stre ss of rolls in two - cross - roll straightener and gives a method for the calculat ion

    文摘:在實踐的基礎上對二輥矯直機輥的計算進行了理論分析,給出了輥的計算方法。
  14. An interface analysis model was established based on the interface stress element method for discontinuous medium mechanical problem to simulate the pull - out tests and tensile tests, and the calculated results are in good agreement with those of experiments

    用解決不連續介質學問題的界元法建立交界的分析模型,對拔出試驗和拉伸試驗進行了數值模擬,數值模擬計算結果與試驗結果近。
  15. Considering different microstructures and properties of metal of hardened layer and the core of back - up roller, the distributions of shear stress below surface and the contact stress between work roller and back - up roller of a four - high - mill were simulated with nonlinear fem

    摘要考慮軋輥表淬硬層與其心部金屬材料組織性能的差別,採用非線性有限元方法對四輥軋機的工作輥與支撐輥間及輥內剪分佈進行模擬,並將模擬結果與傳統強度校核方法進行了對比分析,研究了軋輥淬硬層厚度對輥間的影響規律。
  16. The optimize design of roller radius is discussed based on the touch intensit y and the thickness of lube film in this paper

    和潤滑油膜厚度兩方入手,進行滾子半徑的綜合設計。
  17. The in - situ testing includes surface deformations, sub - surface movements, earth pressures, pore water pressures, underground water levels, spt, stresses of pipes and pipe - soil contact stresses. in addition, the total jacking forces, deviations in line and level of the pipe line and earth pressures in the earth pressure balance machines ( epbm ) are also recorded. the results of field - testing are analyzed, and the variety of testing datum include earth pressures, pore water pressures and underground water levels during the course of the shield through it are studied

    現場測試內容包括地變形、深層土體變形、土壓變化、孔隙水壓變化、地下水位變化、土體標準貫入試驗、管道內變化、管土變化以及頂管施工現場記錄(包括頂、土壓、平偏差、高程偏差等) 。
  18. 5 、 as adding the friction of the spiral bevel gear, the variety of the contact stress of teeth surface and the bending stress of teeth root vs the different meshing position are presented

    5 、初步探討了考慮干摩擦的情況下,螺旋錐齒輪副動態嚙合過程中齒及齒根彎曲隨嚙合位置變化的規律。
  19. Stress analysis on keyed joints for cement concrete airport pavement

    水泥混凝土機場道企口分析
  20. This thesis used along caldwell ' s direct calculation method of the ultimate strength of ship hull girders, considered the double bottom and upperwing tank to ship ultimate strength contribution, first defined the stress distribution of the whole section of the ship girders. that is : in the sagging condition, deck and side shell of nearby deck remain the ultimate bucking strength, double bottom remain the yield stress. and the other parts keep elasticity

    本文沿用caldwell等人直計算船體極限強度的思想,考慮雙層底和頂邊水艙對船體極限強度的貢獻,首先將船體梁整體破壞時剖分佈確定為:在中垂狀態下,甲板及甲板附近的舷側均屈曲,雙層底區域則均屈服,其他部分保持彈性狀態;在中拱狀態下,雙層底及之間的底舷側均屈曲,甲板及頂邊水艙區域均屈服,其他部分則保持彈性狀態。
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