零件邊界 的英文怎麼說

中文拼音 [língjiànbiānjiè]
零件邊界 英文
part boundary
  • : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • : 邊Ⅰ名詞1 (幾何圖形上夾成角的直線或圍成多邊形的線段) side; section 2 (邊緣) edge; margin; oute...
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • 零件 : [工業] part; element; detail; component; finding; section; spare part; spare; fitting; ancillary...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. This paper describes an aag ( attributed adjacency garaph ) based method of machining features recognition for shaft kind parts and 2. 5d parts on the acis platform, which can effectively recognize the main and assistant feature of these kinds of parts. using the class library provided by acis, all the geometrical information for defining a feature can be acquired. finally a xml neutral file describing the recognition result is provided for the later capp process and the generation of nc code

    本文首先分析三維實體模型的特徵識別方法及其特點,繼而採用基於屬性鄰接圖的特徵識別方法,研究了軸類及2 . 5維的加工特徵的分類及其識別,並在acis平臺上開發了相應的軟體原型系統,有效地識別該類的主特徵和常見的輔助特徵,且利用acis提供的類庫介面提取模型底層的幾何參數,得到定義各項特徵所需的幾何尺寸信息,最後以xml中性文的形式輸出識別結果,為后續進行的工藝規劃、加工代碼生成提供初始數據,從而為cad / capp / cam的集成提供有效的方法。
  2. Secondly, the finite - element analysis on the typical slope section is performed with establishment of geology model, definition of boundary condition and proper selection of mechanical parameters. the result shows that the slope is of integral stability, and the failure mode mainly comprises infrequent block drop and wedge body breakage. considering the two failure modes of plane failure and wedge body breakage, and stability calculation under different work conditions, the slope stability is discussed and the sensibility ana lysis on its fraction angel and cohesion force is made

    然後通過建立地質模型、確定、選擇合理的力學參數,取典型斷面對坡進行數值分析,分析結果表明斜坡整體是穩定的,破壞類型以星掉塊和楔體失穩下滑為主;為了定量計算坡的穩定性,對坡兩種破壞類型:單滑面下滑和雙滑面楔形體下滑,考慮不同工況進行穩定性計算,並對摩擦角和粘聚力進行穩定的敏感性分析。
  3. Presents a new method of constructing boundary conditions for nurbs interpolotion, which makes it unnecessary to know the deriratives of curve ends, and solves the problem of zero curvature at curve ends, and enables designers to control the shape of the two end segments of curve easily and freely by simply adjusting the curvature coefficients and discusses the influences of curvature coeffients on the shape of the end segments of curve

    提出一種新的用於nurbs曲線插值的構造的方法.該方法不需要已知曲線端點的切矢,並且解決了端點曲率為的問題;它使得設計者可以通過簡單地調整首末端點曲率參數便可以隨意地且很容易地控制曲線首末兩段曲線的形狀.最後還討論了曲率參數的取值對曲線端部形狀的影響
  4. The casimir effect is a pure quantum effect. the casimir effect results from the alteration by the boundaries of the zero - point electromagnetic energy, and it is a direct manifestation of the boundary dependence of quantum vacuum

    Casimir效應是一個純粹的量子效應,它是真空電磁場中因的變化而使點能漲落所引起的效應,是量子真空對的依賴的一個直接表現。
  5. Contour smooth technique in cae - oriented die - face design for automotive panel

    的汽車覆蓋模面設計中零件邊界光順技術
  6. Firstly, the equilibrium solution is global asymptotic stability and exponential stability on l2 [ 0, l ] under neumann and dirichlet boundary control conditions, control inputs for choosing the boundary control is bounded in lx, the equilibrium solutions decay to zero and integrating the solution square in [ 0, 1 ], it decays to zero exponentially, by using nonlinear boundary control conditions and input feedback control method

    首先,採用非線性輸入反饋控制方法,研究得到該類方程在neumann和dirichlet控制條下的平衡解在l _ 2 [ 0 , 1 ]上是全局漸近穩定和指數穩定的、在所選控制下控制輸入是l _有的、平衡解隨時間衰減到以及平衡解的平方在[ 0 , 1 ]上的積分按指數方式衰減到
  7. In the paper, in accordance with the thermal power torpedo propulsion system using hap tri - component fuel, with the i - deas software, applying the cad technology and the fem, the research of simulation on the piston - one of key parts of engine was proceeded and the paper presented the whole analysis process of the piston including thermal analysis. in the paper, the question of the boundary condition in the complicated engineering was explored and the temperature field. the stress field and the deformation of the piston were computed and analyzed under a new kind of fuel ( hap )

    本文針對三組元魚雷熱動力系統,應用i - deas軟體,利用cad技術和三維有限元方法( fem ) ,對發動機的關鍵? ?活塞展開模擬研究,對活塞進行了包括熱分析在內的全過程的模擬計算,探索了復雜工程中的處理問題,分析計算了魚雷發動機活塞在新型燃料(三組元燃料)工作下的穩態溫度場、應力場與變形情況,最後,根據分析結果對其結構提出了改進意見。
  8. This provide a basis for further application such as feature editing and so on. unlike traditional method which modifies b - rep or csg to adapt feature - based modeling, the feature - based represent model for the product which based on identifying system is presented. the represent method need not change the b - rep of solid model and can map feature - based model to b - rep - based model

    不同於通常的對表示法或csg法進行改造的模型表示方法,提出了一種基於標識子系統的特徵表示模型,一個的特徵表示模型和其低層的幾何實體模型通過標識子系統進行映射,從而不必修改現有的表示模型而能滿足特徵造型的需要並能充分利用已有的實體造型功能。
  9. Based on the assumed vertical displacement of the unit cell and the assumed distribution on the pile - soil interface of the pure friction pile, and using the boundary conditions that there was no relative slipping between pile and soil, the pile decrement was equal to that of soil on the pile - soil interface and that the vertical sheer stress of the unit cell ' s outer edge was equal to zero, the formula for the frictional distribution of the pure friction pile and the formulas for the displacement of pile and soil in the treated area were deduced

    通過假定的單元體豎向位移模式和純摩擦樁樁側摩阻力分佈模式,利用樁土間無相對滑移、樁土面處樁土壓縮量相等和單元體處豎向切應力為,推導出復合地基純摩擦樁樁側摩阻力分佈的具體表達式,以及加固區樁土壓縮量的計算公式。
  10. Constructing an entire function a ; ( a ), the zeros of which are the eigenvalue of dirac eigenvalue problem with general two points " linear algebra boundary conditions

    構造了一個整函數( ) ,其點集合與具有一般兩點的dirac特徵值問題的特徵值集合重合。
  11. For the scattering field caused by the finite - length conducting and permeable cylinder, the boundary condition that the normal component of electrical strength is zero in conducting medium, i. e. en = 0, was used to determine the separation constant of boundary value problem in the past

    以往含有有限長導電導磁圓柱體散射場的求解,大都根據導電媒質中電場強度法向分量為,即e _ n = 0 ,這一來確定值問題中分離常數的取值。
  12. Considering that the ferrite core is often made from good permeable material, the dissertation presents the condition that the normal component of the magnetic field strength is zero approximately at the inside surface of good permeable material, i. e. bn = 0 to determine the eigenvalues for the separation constant. during the solving process, the solenoid coil is supposed to be wound closely by infinite symmetrical delta - coils

    考慮到磁芯通常是由導磁性能非常好的軟磁材料構成,本文提出利用靠近良導磁材料內側磁場強度法向分量近似為,即b _ n 0 ,這一,來確定值問題中的本徵值。
  13. In this research, the scientific efficient computer simulation technology replaces the traditional taking - time and arduous experimental method, which provides a beneficial thought for researching the wear design of the contacted machine in the boundary lubrication and computer simulative technology used in the part life design. the developed cam life predicted software can watch and control the cam wear state, forecast it ' s life and have the rudiment of the similar machine life predicted software. so the research has a good application prospect and practicality value

    本課題以科學高效的計算機模擬技術取代傳統的費時、費力的實驗方法,為研究接觸高副機構配對副在潤滑條下的耐久性設計以及計算機模擬技術在壽命設計方面的應用提供了一個有益的思路;開發的凸輪使用壽命預測軟體能實時監控凸輪機構的磨損狀態,預測其使用壽命,基本具有了類似機構使用壽命預測軟體的雛形,因此研究成果具有較大的實際意義。
  14. In this thesis it was proposed to simulate the drawing, trimming, flanging by using error - adjustment method. the initial trimming lines would be adjusted and optimized in the computer by adjusting error. if the shape error between the flanging boundary line and the target is larger than prescribed, the redundant area is subtracted from the initial blank by some amount of volume along the deformation path, and the insufficient volumes are added to the initial blank by the same amount

    本文提出,利用基於變形路徑的誤差修正法( error - adjustment ) ,結合cae技術將對初始修線的調試過程在計算機中進行模擬(包括拉延、修、翻、整形等)計算,通過控制翻成型與實際目標輪廓之間的尺寸誤差來優化修線,如果初始切、翻后的輪廓與目標體的存在較大偏差,則初始切輪廓中多餘部分單元將沿其變形路徑以相同體積量被切除,不足部分則沿其變形路徑以相同體積進行補償。
  15. In addition, the design about ruling storeroom is given and the packing space through the organizing and updating of the borderline about packing space is formed combined with the character of the irregular shapes

    結合不規則特徵確定了排放的最佳位置,給出了排料規則庫的設計,通過排料空間的組織和更新,形成了新的排樣空間。
  16. In order to obtain the simplified process plan automatically and efficiently, a novel approach to automatic setup planning and operation sequencing of a part is proposed, meanwhile, an approach to establishment of feature sequence constraints based on the intersecting boundary is proposed

    為了獲得的簡化工藝規劃,進一步提出了保證公差要求的裝夾和加工操作自動規劃方法和基於相交特徵的相交信息確定特徵加工順序約束的方法。
  17. By means of the existence and uniqueness of semi - global c1 solution to the mixed initialboundary value problem with general nonlinear boundary conditions for first order quasilinear hyperbolic systems with zero eigenvalues, we establish the local exact boundary controllability for second order quasilinear hyperbolic systems with general nonlinear boundary conditions

    本文利用具特徵的一階擬線性雙曲型方程組帶一般非線性的混合初-值問題的半整體c1解的存在唯一性,對具一般類型非線性的二階擬線性雙曲型方程組建立了精確能控性
  18. The propagation of soliton and interaction for the periodic distributed amplification line are discussed in detail, and the explicit soliton solution on continuous wave ( cw ) background is presented, and two exact analytic solutions that describe the modulation instability and the soliton propagation on a cw background are in detail discussed, and inelastic interaction for the vector solitons is also investigated

    具體研究如下三個方面的內容:周期分佈放大系統中孤子的傳輸特性和相互作用;在非下孤子解的存在形式並解釋非均勻光纖中光脈沖的調制不穩定性以及孤子在連續波背景中的傳輸特性;討論多個光場同時在光纖中傳輸的耦合非均勻非線性薛定諤方程並詳細研究孤子間的非彈性相互作用。
  19. Based on coupled heat transfer theory and finite element method ( fem ), outer boundary conditions between parts were transformed into inner boundary conditions of the component

    基於耦合傳熱理論和有限元方法,將間的外轉變為的內,直接對進行耦合模擬計算。
  20. However, the industrial ct images can ’ t be directly recognized by nc machine not even manufacturing it. to the question, the methods of getting contour data from images and then turning it into nc codes are researched in this paper

    針對這一問題,本文研究了從圖像上提取零件邊界點數據,然後將點數據直接轉換生成nc代碼的方法,並開發了相應的軟體。
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