裂紋尺寸 的英文怎麼說

中文拼音 [lièwénchǐcùn]
裂紋尺寸 英文
flaw size
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 紋 : 名詞（花紋; 紋縷兒） lines; veins; grain
  • 尺 : 尺名詞[音樂] （中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」） a note of the scale in ...
  • 寸 : Ⅰ量詞（長度單位） cun a unit of length （=1/3 decimetre）Ⅱ形容詞（極短或極小） very little; very ...
  1. Atomistic simulation of crack propagation and its size - dependent behavior

    分子動力學模擬裂紋擴展及相關尺寸行為
  2. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對波速影響比較大，飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度；人工預制裂紋對聲波傳播速度影響不大；單軸壓縮條件下，聲波傳播速度隨應變增加逐漸降低；在同一溫度（ 160 ）下，波速隨保溫時間的增加而逐漸降低；在對巖樣逐漸加熱情況下，初始加熱階段波速略有升高，當溫度達到60時，巖樣波速達到峰值，之後隨著溫度繼續升高其波速逐漸下降；波速隨溫度變化具有一定的尺寸效應。
  3. Standard guide for planar flaw height sizing by ultrasonics

    用超聲法測定平面裂紋高度尺寸的標準指南
  4. Cold cracks will be avoided when the width and height of cavity is accurately chosen

    文章通過試驗確定了最佳的空腔尺寸，此時可防止冷裂紋的產生。
  5. The main purpose of this paper is to study crack growth rate of a class of nonlinear viscoelastic materials under the condition of constant load and small - strain. in this paper : the new test program is raised by referencing the existing test programs and by our trial and error ; in the new test program, facilities involved in the nonlinear viscoelastic crack tests are relatively few, the test process is relatively simple and the data obtained from the experiments are credible. on this basic, the calculation of j integral of nonlinear viscoelastic double cantilever beams specimens and the parameter of fracture work of corresponding nonlinear viscoelasticity are derived

    具體成果包括： 1 、證實了雙懸臂梁試件用於非線性粘彈性裂紋擴展實驗研究的優點：雙懸臂梁試件在實驗中能觀測到的擴展過程持續時間比較長，在計算j積分時，計算方法簡單； 2 、得到了改性聚丙烯材料用於非線性粘彈性裂紋擴展實驗的兩種有效的試件構形和相應的試件尺寸；採用不斷改善夾具的方法使得加載穩定； 3 、經過連續四個多月的時間得到了一組有用的實驗數據； 4 、得到了裂紋長度與時間的關系、裂紋擴展速度與時間的關系、裂紋擴展速度與裂紋長度的關系。
  6. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，得到了含多裂紋有限大板在任意載荷作用下應力場的級數解，並應用斷裂力學方法確定裂紋尖端的應力強度因子；引入當量屈服應力考慮裂尖塑性區的影響，提出基於帶屈服準則的剩餘強度分析模型，能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響；通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律，得到了一系列對工程應用具有實用價值的結論。
  7. Guide to calibration and setting - up of the ultrasonic time of flight diffraction technique for the detection, location and sizing of flaws

    裂紋探測定位及尺寸用超聲時間損耗衍射技術的校正及確定指南
  8. There is a slight drop of the fcpr when the specimen s thickness increases. however, the thickness of the specimen exerts a great influence on kth and fatigue life ( n ) : the thicker specimen is, the higher fatigue life ( n ) becomes, and the greater kth shows. under control of the same conditions, the fcpr of am50 is not so high as that of az91. there are some correlations between load ratio ( r ) and the fatigue surface : when load ratio becomes great, small flat surfaces increase while dimples decrease

    試樣厚度增大，穩態裂紋擴展速率略有減小。但是，試樣厚度影響試樣的疲勞壽命和門檻值：試樣越厚，疲勞壽命越長，門檻值越大；在試樣尺寸和加載條件相同的情況下， am50的疲勞裂紋擴展速率較az91小，疲勞壽命則比az91長。載荷比r影響試樣的斷口形貌：載荷比r越大，對應相同k值出的斷口小平面越多，韌窩越少。
  9. The fem model was accurate and effective by using submodel and error estimation technique that ensured the reliability of calculation and analysis. the thesis got the measure of critical flaw and designing life of the girder. in addition, the thesis calculated the remaining life of the girder while the flaw reaching 150mm

    結合有限元分析結果和損傷容限設計方法，本文計算了馬鋼第三煉鋼廠4 # 125t鑄造起重機主梁下蓋板的臨界裂紋尺寸，及初始裂紋為0 . 5mm時主梁的設計壽命，並估算了在裂紋尺寸達到150mm時主梁的剩餘壽命。
  10. What is taken account of includes the effects of the material, geometrical shape, manner of loading, ratio of cycle stress, residual stress and short crack in weld toe on fatigue strength

    該模型考慮了材料、幾何形式、荷載形式、應力比、尺寸效應、殘余應力及焊趾根部短裂紋等因素對疲勞強度的影響。
  11. Abstract : in view of the quantity examination of weld defect by ultrasonic, on the basis of theoretical analysis and test, the cause, composition and contriling method of error of crack defect size h have been analyzed systematically, a controlling and statistical method of ultrasolic examination error has been put forward. this method is simple and suitable, and has been verified by test

    文摘:針對焊縫缺陷超聲波定量檢測，從理論分析與實驗出發，系統分析了裂紋類缺陷自身高度尺寸h的檢測誤差的物理成因、組成及誤差控制方法，提出了一套實用簡潔並經實驗證實可行的超聲波檢測誤差控制及統計方法。
  12. 3d numerical simulation of finete element method ( fem ) program is used to calculate and analyse the distribution of stress and strain during hydrobulging, the ovality of single - curvature polyhedron after being hydrobulged while the dimension of polar plate of single - curvature polyhedron without the flaw of imaginary crack changes

    摘要利用三維數值模擬方法，對假想無裂紋的單曲率多面殼體模型上極板尺寸發生變化時脹形過程中應力應變的分佈、脹形結束后多而殼體的不圓度等進行了計算和比較。
  13. Analyses of dynamic crack propagation and crack arrest for a specified initial flaw size, external geometry, and applied load can be conducted in either of two different ways.

    為特定的初始裂紋尺寸、外部幾何形狀和應用載荷對動態裂紋擴展和裂停止進行分析，可以用兩種不同方法中的任何一種來進行。
  14. By analyzing the influence of hemisphere pits with different dimension and ellipsoid pits with different aspect ratio on stress and strain distribution of lap joint, the possible propagation of fatigue crack was discussed, and the effects of localized pitting corrosion on the structural integrity of lap joints were discussed

    通過分析不同尺寸的半球形蝕坑和不同長短半軸比值的半橢球形蝕孔應力應變分佈的影響，探討搭接件疲勞裂紋的可能擴展方向，討論局部孔蝕對搭接件結構完整性的影響。
  15. On the course of hardening of concrete, the improvement of performance mainly lies in the decrease of plasticity cracks and interior cracks of concrete in quantity and in dimension and the enhancement of medium continuity

    在混凝土硬化過程中纖維改善了混凝土的內部結構，主要表現在減少了混凝土的塑性裂紋和內部微裂紋的數量和尺寸，提高了混凝土材料介質的連續性，從而改善了混凝土的綜合性能。
  16. Finally, the size of the crack is identified by using the identified crack location and the first natural frequency

    最後，利用已識別的裂紋位置和第一階固有頻率定量地識別了裂紋尺寸。
  17. It is shown that the first resonant frequency and the first anti - resonant frequency decrease synchronously due to the propagation of crack

    從該曲線可以發現，梁的第一階諧振頻率和反諧振頻率都隨裂紋的出現而減小，並且頻率減少量隨裂紋尺寸的增大而增加。
  18. The size and shape of the crack front were updated using the result of finite element program, and then the crack propagation was simulated by moving the node

    利用有限元計算的結果來自動更新裂紋前沿的尺寸和幾何形狀，並使用節點移動法來模擬裂紋的擴展過程。
  19. 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） 、邊界條件以及腐蝕的影響、疲勞裂紋等。
  20. Identification and determination of micro - crack size for frozen soil

    凍土中微裂紋尺寸的識別與確認
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