裂紋邊界 的英文怎麼說

中文拼音 [lièwénbiānjiè]
裂紋邊界 英文
crack edge
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • : 名詞(花紋; 紋縷兒) lines; veins; grain
  • : 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...
  • 邊界 : boundary; frontier; border; borderline; edge range line; periphery
  1. The method of crack - division is used to make radial cracks at the edge of cavity. a series of integral equations for determining the dsif at tips of anti - plane crack are set up in terms of the green ' s function

    按「契合」的方式和採用切割技術構造出孔徑向對sh波散射的模型,利用green函數建立直接求解m型尖端動應力強度因子的定解積分方程組。
  2. Numeral results of dsif at radial crack tips of ellipse and square cavities are provided. then the influences of different shape cavities upon the dsif at the crack of their edges are discussed. 5. scattering of sh - wave by a radial interface crack at the edge of arbitrary - shape - cavity is studied

    給出了橢圓孔和方孔孔徑向尖端動應力強度因子的數值結果,討論了在不同形狀孔、不同入射波數、不同入射角和不同材料常數組合情況下孔徑向尖端動應力強度因子變化的規律。
  3. A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle

    摘要建立了無限長板的具有吸收的二維平面應變有限元模型,在研究了脈沖超聲波在無限長板中傳播的基礎上,對板中平行於表面的、與表面成45的斜和四分之一圓周弧形三種情況的脈沖超聲波散射進行了重點研究。
  4. A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours

    研究結果表明:金屬間化合物厚度與老化時間的關系符合拋物線法則,金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ,老化后金屬間化合物呈層狀分佈,主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為40 . 1kj / mol ,主要相為au4al和au5al2 ,同時在面周區域生成了au2al和aual ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和,但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和
  5. Boundary element analysis of cracked bodies

    擴展分析的元方法
  6. The study indicate that the surface form has no effect on kl, but has obvious effect on kll, and will affect the breaking angle and mode ; in finite plate, the boundary condition has effect on the sif and the k is bigger than in infinite plate ; the effect of the distance and the angle between cracks are all have obvious effects on the multiple crack interaction, and the interactions between cracks also have obvious effects on the sif, which can be neglect only when the distance is bigger enough

    研究表明:面狀態對k _的大小沒有影響,而對k _的影響卻很大,相同應力條件下,面狀態會影響的開角和開方式;有限板的對應力強度因子有一定的影響,其k比無限板中的k略大;間的距離、夾角等因素對間的干涉效應均有較大影響,間的干涉效應對應力強度因子的影響非常顯著,只有當間的距離充分大時,干涉效應才可忽略。
  7. A new method studying the edge crack problem on an elastic half plane

    彈性半平面中研究的新方法
  8. A subdivision of a bodily organ or part bounded by fissures, connective tissue, or other structural boundaries

    葉身體器官和部分的細分部分,由、連接組織或其他組織粘連
  9. From mathematical models for inverse scattering in two dimensional homoge - nous media including dirichlet, neumann, robin, all kinds of probable mixed boundaries and cracks, direct and inverse scattering are discussed, and ill - posed integral equation and indicator function method are formulated for the diverse of boundary identification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solv - ing it by virtual of regularity method, meanwhile, some numerical tests are given. 2

    在二維均勻介質逆散射各種識別的數學模型(包括dirichlet , neumann , robin ,各種可能的混合問題,問題)下,分別考慮了正散射問題和逆散射問題,推導了上述各種識別的不適定積分方程以及指示函數方法,由於積分方程的核充分表徵了散射物的,由此說明只要利用正則化方法求解該積分方程,就可以確定散射物的,並給出了一些數值實驗。
  10. Based on the fundamental solution of two perfectly bonded elastic halfspaces, and using the boundary integral equation method and the finite - part integral concepts, the problem is reduced to a hypersingular integral equation in which the unknown function is the crack opening displacement discontinuity

    首先根據雙材料空間的彈性力學基本解,使用積分方程方法,在有限部積分的意義下導出了以面位移間斷為未知函數的超奇異積分方程。
  11. The solutions include : the unit normal vector of the elastic - plastic boundary near the crack line, the elastic - plastic stress fields near crack line, law that the length of the plastic zone along the crack line is varied with an external loads, the maximum lengths of the plastic zone, the bearing capacity of a finite plate with an eccentric crack loaded by shear forces

    這個解包括:線附近彈塑性上的單位法向矢量,線附近的彈塑性解析解、最大塑性區長度、線上的塑性區長度隨荷載的變化規律及其承載力。
  12. For the optimization problem of fgms fracture performance, this paper fundamentally studies the fgm coating plate with interface edge - cracks, and establishes the approximate analysis method of the driving force for interface edge - cracks growth - energy release rate. this paper considers energy release rate as objective function and the optimization problem of fgms fracture performance is carried out by the paper mention optimization scheme

    關于梯度材料破壞性能的優化設計問題,本文對含的平板狀梯度塗層進行了初步的研究,建立了擴展驅動力- -能量釋放率的近似分析方法,以能量釋放率為優化設計目標函數採用本文提出的優化設計方案對梯度材料的破壞性能進行優化設計。
  13. Singular integral equations and boundary element method of cracks in thermally stressed planar solids

    熱載荷作用下平面問題的奇異積分方程與元法
  14. The fiction coefficients of the five sliding pairs in different media were in the succession of, respectively. in distilled water : ual2o3 > ual2o3 / al2o3 > ual2o3 / al24zys > ual2o3 / al24zy > usic / sic in 1mol / l naoh : in air at 50 % relative humidity : and the friction coefficients of the sliding pairs a12o3 / a12o3, a12o3 / zta, a12o3 / a124zy and a12o3 / a124zys were in the order of u

    當載荷為60n ,滑動頻率為10hz時,經過400om滑動距離后,在水中a12o3 / a1203 , a1203億ta , a12o3 / a124zy和a12o3 / a124zys摩擦副均不能形成有效的潤滑膜,屬潤滑過程,磨損表面產生了,發生了晶粒拔出。
  15. Then we consider the problem as a " conjunction " problem : according to the solutions for wave problem in interface between two conjunctive homogeneous elastic half - spaces as well as the scattering problem of sh - waves by an arbitrary - shape - cavity in homogeneous material, we divide the elastic space with an interface cavity into two parts along the interface, each is elastic half space with an arbitrary - shape - canyon. and then dividing surfaces are loaded with undete rmined antiplane forces, and with some antiplane reacting forces to appear cracks

    然後將面任意形孔洞和孔對sh波的散射問題視為「契合」問題:即從兩個相互契合的完整彈性半空間的面波動問題和彈性均勻介質中任意形孔洞對sh波散射的解答出發,沿面處將含孔洞的彈性空間剖分為兩個含有任意形凹陷的彈性半空間,在其剖分表面上加置未知的反平面荷載,在出現的位置加置反平面反力構造出
  16. By using the arrived fundamental solution, combined with the " pseudo - traction " method and the boundary collocation, the stress intensity factor for crack in a finite plate under compressive loading are solved, the effects of crack direction and boundary condition on the stress intensity factor are analyzed, and the varying curves of the sif along with the width are given

    將所得的基本解與「偽力法」 、配置法相結合,得到了有限板在壓縮荷載作用下應力強度因子的解法,分析了方向和條件對應力強度因子的影響,給出了應力強度因子隨板寬的變化曲線。
  17. The results show that the present method yields rapidly converging numerical results of stress intensity factors for various aspect ratios of a rectangular crack near an interface, and the boundary conditions along the crack surface are satisfied well

    數值結果表明,該方法不僅具有較好的收斂性和較高的數值計算精度,而且能夠精確滿足面上的條件。
  18. With the aid of the muskhelishvili ' s complex potentials theory, boundary conditions on the crack faces and the single value condition of displacement, the problem of a plate under compressive loading is turned into hilbert problem and the fundamental solution for cracks with different surface forms under concentrated pseudo - tractions are given

    根據muskhelishvili的復勢理論,結合條件和位移單值條件,將受壓構件的問題轉化為對應的hilbert問題,並分別給出了在偽集中力作用下,不同面形態的基本解。
  19. According to the constitutive relationship in linear piezoceramics, elliptical crack problems in impermeable case are analyzed with hypersingular integral equation method

    摘要在線性壓電陶瓷本構關系和裂紋邊界絕緣的框架下,用超奇異積分方程的方法對橢圓類片狀問題進行了重新研究。
  20. The buckling and ultimate strength of ship plating normally depend on a variety of influential factors, namely geometric / material properties, loading characteristics, initial imperfections ( i. e. initial deflections and residual stresses ), boundary conditions and corrosion, fatigue cracking

    船體板的屈曲和極限強度取決于很多影響因素,主要有:板的幾何尺寸、材料特性、載荷特徵、初始缺陷(如初始變形和焊接殘余應力) 、條件以及腐蝕的影響、疲勞等。
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