接觸表面數值 的英文怎麼說

中文拼音 [jiēchùbiǎomiànshǔzhí]
接觸表面數值 英文
contact surface number
  • 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...
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 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...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 接觸 : 1. （交往） come into contact with; get in touch with 2. （沖突） engage 3. （挨上; 碰著） contact; touch
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  1. On the penultimate blank page of a book of inferior literary style, entitled sweets of sin produced by bloom and so manipulated that its front cover came in contact with the surface of the table with a pencil supplied by stephen stephen wrote the irish characters for gee, eh, dee, em, simple and modified, and bloom in turn wrote the hebrew characters ghimel, aleph, daleth and in the absence of mem a substituted goph, explaining their arithmetical values as ordinal and cardinal numbers, videlicet 3, 1, 4 and 100

    在用低俗文學體裁寫的一本題名偷情的快樂的書是布盧姆掏出來的，他擺得很巧妙，使封面和桌面接觸那底封前倒數第二張空白襯頁上，斯蒂芬用一管鉛筆斯蒂芬提供的以簡略體與裝飾體寫下相當于g a d m的愛爾蘭語字母117 。布盧姆則寫下希伯來字母ghimel aleph daleth和qoph這是用來代替所缺的mem的。他還說明，這些字母作為序數及基數的算數值，各自代表三一四及一百118 。
  2. Safety of machinery - temperatures of touchable surfaces - ergonomics data to establish temperature limit values for hot surfaces

    機械安全可接觸表面溫度確定熱表面溫度限值的工效學數據
  3. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩（ weno ）格式及其在雙曲守恆律方程中的應用，在此基礎上作了兩個方面的工作：一是針對高頻聲波問題構造出一種基於保色散關系（ drp ）的weno有限差分格式，並對計算氣動聲學（ caa ）問題的代表性算例進行了大量數值實驗，比較了該格式捕捉波數的能力；另外，針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題，研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法，並且給出有代表性的密度滑移面問題的算例，得到一致高階精度的數值模擬結果。
  4. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  5. From analysis of the test results the conclusions can be obtained as follow : the coefficient of friction under line contact is same as under point contact

    研究表明：線接觸微動摩擦因數變化與點接觸形式相同；位移幅值在部分滑移區時，表面粗糙度對表面磨損有影響。
  6. The 3d model of mold is analyzed in 3d fem by using ugh. base on the analyses result, some danger structure of the model have been found and some suggestions of the mold modification are given. since doing a lot of research about the 3d cadvcae technology, a 3dcad system of selecting mold for aluminum material have been developed and the method of analyzing the 3d model is provided in this paper

    然後，為了能真實地模擬實際生產過程，進行鋁與模具鋼在一定表面粗糙度、不同溫度條件、不同潤滑接觸狀態下的最大靜摩擦系數實驗，總結摩擦系數隨溫度變化的規律性和取值范圍；最後，應用ug 17 . 0三維有限元cae模塊進行模具三維力場分析，根據三維有限元的結果分析，對模具危險部分進行預變形的處理和優化，改善模具受力變形的狀況。
  7. Thermal contact resistance is calculated by fem. the triangular model is considered more precise when its control angle equals 30 and an approximate formula is provided for calculation of the thermal contact resistance by comparing computation models

    本文採用有限單元法數值計算接觸熱阻，提出控制角為30的三角形模型具有較高的精度，給出接觸熱阻的近似計算公式，並分析了表面粗糙度對接觸熱阻的影響。
  8. Firstly, a simple and practical representing method of the tooth edge tangential vector is applied to replace the traditional differential formula, the simple solving technique of edge contact problem makes the geometric edge contact analysis of the complex curve surface realize. secondly, using numerical searching and mathematical programming method solves the contact directions and loaded contact problem. finally, whole numerical simulation method is provided for loaded tooth contact analysis of high contact ratio spiral bevel gears

    首先以一種簡單實用的輪齒邊緣切矢量的數學表示方法取代了經典的微分表達式，大大簡化了幾何邊緣接觸的求解，使復雜曲面的幾何邊緣接觸分析得以實現；其次又採用數值搜索與數學規劃法求解了邊緣接觸的主方向和承載接觸問題，為高重合度弧齒錐齒輪承載嚙合全過程的數值模擬提供了完整的方法。
  9. 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。
  10. Studying on the shakedown theories and plastic deformation of contact surface layer the shakedown of contact surface layer is related to the strain - hardening models of materials, such as isotropic hardening, kinematic - hardening, and mixed - hardening. the existing results based on experiments and theory show that the shearing strain behavior of contact surface layer caused by friction can be comparatively described with kinematic - hardening

    研究中，圍繞強化後接觸表面疲勞問題，從強化模型選擇、接觸表層安定性存在的條件及其失效規律，進行了詳細的概念定義、定理證明及推論演算等理論工作，為接觸表面層安定性的數值模擬和疲勞分析奠定了理論基礎。
  11. In this thesis, the strain - hardening model of contact surface layer, the numerical theories and computational methods for shakedown analyses of contact body are systematically studied and applied to the aero - gear. the mentality is that the effects of the surface hardening and contact fatigue on contact surface layer under cycle contact loading are investigated by using shakedown analysis methods considering in a quantitative way the details of stress - inelastic strain responses, residual stress and residual strain computations

    在國家「航空基金」 、 「總裝預研基金」等課題的資助下，本文以接觸體安定分析與接觸表面層疲勞裂紋萌生壽命預測一般演算法研究為手段，深入、系統研究了接觸體安定分析的數值理論和計算方法，全面研究了影響航空齒輪表面強化層失效的原因並提出了齒輪表面強化層裂紋萌生壽命的預測方法。
  12. To solve the moving contact problem, a kind of interpolation schemes, which utilizes shape function to impress interfacial constraint conditions ( node to point ) to prevent penetration between the contacted surfaces, is adopted generally in the references of bem, as used in the fem

    對于移動接觸問題，邊界元法的有關文獻中通常採用和有限元法中類似的插值方案，利用形函數來強加界面約束條件（節點到非節點）以避免接觸表面之間的貫入。
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