直裂紋 的英文怎麼說

中文拼音 [zhílièwén]
直裂紋 英文
vertical crack
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 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
  1. A dynamic fracture analysis of center - cracked brazilian disc specimens under mixed mode diametric impact loading

    徑向沖擊中心直裂紋巴西圓盤的復合型動態斷裂分析
  2. Research about ctod and its components 8 ", " shows that the direction angle of ctod vector is identical with the fracture angle of void - mode fracture, which is obtained through experiments, and it is also identical with the result got by peak value line of stress triaxiality. besides, 8 i " was compare with vgc as criterion for initiation of void - mode fracture

    對裂紋尖端張開位移ctod及其張開型分量~ 1和剪切型分量~ 11的分析表明，在試件發生韌窩型斷裂時，按照圓弧裂紋中ctod矢量的垂直方向預測的斷裂角與試驗測得的斷裂角符合較好，與三軸度脊線預計的結果也比較一致。
  3. 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」的方式和採用裂紋切割技術構造出孔邊徑向界面裂紋對sh波散射的模型，利用green函數建立直接求解m型裂紋尖端動應力強度因子的定解積分方程組。
  4. Most of the dynamic process data in the solid material, such as the dissemination of stress waves, the fold of stress waves, and the interaction of crack and stress waves can be acquired directly by the dynamic photoelasticity experiment

    動光彈實驗能直接獲得固體介質中應力波的傳播、疊加以及裂紋與應力波相互作用的動態過程，可真實反映爆炸過程的信息與規律。
  5. The calculation results indicate that the outboard of drum walls fall in plastic yielding at the same time the rising cooling water reaches the height of that point and the yield region becomes narrower and narrower when it comes closer to the circumferential strake weldments, which explains the reason coke drums experience bulging and cracks occur in the weld seams portions of shell to shell after long in service

    計算結果表明：塔壁外側在冷卻水面到達的瞬間進入塑性屈服，筒節中部塑性屈服區較大，當靠近焊縫時塔壁的塑性變形區逐漸縮小直至消失，塔壁塑性屈服區的分佈特點解釋了塔體長期使用后發生鼓凸變形及簡體與焊縫連接處產生裂紋的原因。
  6. To testify ae ' s prediction function, we use the acoustic emission in a great deal of fatigue experiments, and have attained experiential data which can be included in the ae features database. the building of ae features database is investigated

    ?通過大量的實驗，對聲發射技術在直升機部件疲勞裂紋檢測中的應用進行研究，驗證了應用聲發射技術進行監測所起到的預警作用，獲得的大量實驗數據可作為經驗數據納入到聲發射特性參數數據庫中。
  7. The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions

    全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難，對均勻拉伸載荷作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析，首次全面分析了非穿透裂紋端部場三維影響區范圍，給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解，並結合k場平面解給出了非穿透裂紋端部應力場k - tz雙參數描述。
  8. This paper puts emphasis on image processing which makes use of histogram equalization method for image enhancement, which making engineer effectively analyze and making certain flaw, abrasion, bend of wall of a well

    文中著重介紹了圖像處理部分，使用直方圖均衡化等方法對井下圖像進行圖像增強處理，使工程人員能夠更有效的分析和確定井壁裂紋、磨損、彎曲等狀況。
  9. Cracks, growing at weld toe, tend to form at numerous sites along the transverse width perpendicular to the applied stresses.

    焊趾處萌生的裂紋往往在垂直於作用應力方向沿著橫向寬度在多處形成。
  10. Analysis results of histogram statistics and section electron microscopic scan technique, are that fracture feature of the cracks of the hbbb is similar and the crack is multi - source strain fatigue one. internal defects of the cast, such as impurities, gas holes, etc, are the main causes for early cracks. the contrast analysis of static strength, model and transient respond on three structures with fem proves that geometrical stress concentration in partial area has influence on early crack, also

    利用直方圖等統計方法和電鏡掃描技術對該抱軸箱體裂紋分析的結果是：抱軸箱體的裂紋斷口特徵相近，裂紋性質屬于多源性低周疲勞裂紋，鑄件中的夾雜、氣孔等內部缺陷是導致過早裂損的主要原因；利用有限元法對該抱軸箱體三種結構的靜強度、模態和動態響應對比分析，證實了局部幾何性應力集中對過早裂損也有一定影響。
  11. It is important to evaluate accurately the longevity of the part by advance the efficiency of using ae method on detecting crack in fatigue test

    改進及提高聲發射技術對疲勞試驗狀態下的裂紋檢測效率和精度，是準確評估直升機各重要構件壽命的關鍵。
  12. In international, electric potential is used widely. it is expensive to experiment with the method

    高溫環境下疲勞裂紋長度的測量一直是個難題，國際上常用的測量方法是試驗成本較高和電位法。
  13. Not a timely manner to facilitate the dissolution of auto parts fault detection, vulnerability directly on the surface of metal parts nondestructive testing of the fatigue crack, stress corrosion, crack, crack, etc. folded through " sound ", " light " emergency instructions crack site to the maintenance staff promptly eliminate hidden dangers and guarantee the exercise of automotive safety

    及時方便不解體檢測汽車部件故障，直接對易損金屬部件表面進行無損檢測，對出現的疲勞裂紋，應力腐蝕、裂紋、折疊裂紋等、通過「聲」 、 「光」報警指示裂紋的部位，以使維修人員及時排除隱患，保證汽車安全行使。
  14. The macro - mechanical properties ( the elastic constants ) of the fractured rocks can be connected with the micro - parameter of crack ( crack number density )

    這個模型將微觀隨機參數（裂紋數密度）與非均勻裂縫介質的宏觀性質（彈性常數）直接聯系起來。
  15. While in the zigzag thin area, the crack can only propagate by zigzag manner. in the fracture of titanium, deformation twins might forme in the front of crack

    裂紋在帶狀薄區中可以直線擴展，也可以呈z字形擴展，而在z字形薄區中裂紋只能呈z字形擴展。
  16. Through stress, displacement straight - line picture and the strain ratio of two supports before it cracks, the stress and displacement fields of symmetric and asymmetric samples under static conditions are observed

    通過裂紋啟裂前的應力、位移等直線圖及兩個支座的應變之比，觀察靜態條件下對稱試件及非對稱試件裂紋面兩端的應力場和位移場。
  17. Spray deposited porous aluminum alloy sheets easily have surface and edge crack when they are directly rolled due to the porosity and metallurgical bond

    摘要噴射沉積多孔鋁合金板坯由於有孔洞且缺乏良好的冶金結合，直接軋制時易出現板坯表面裂紋及邊裂。
  18. The surface of zncdse / znse qw grown on zno buffered si substrate is free of micro - cracks that is observed on the surface of the sample deposited directly on si substrate

    Zncdte znte量子阱結構的表面沒有微裂紋，其發光強度較直接在si襯底上生長的zncdte znte量子阱有很大提高。
  19. Disc specimens have great application in testing the mechanic properties of rock, such as the cracked chevron notched brazilian disk ( ccnbd ) and the cracked straight - through brazilian disc ( cstbd ) used in testing rock fracture toughness, the brazilian disc and the flatted brazilian disc ( fbd ) used in testing rock tensile strength

    圓盤類試樣在巖石的力學性質測試中有著廣泛的應用。如應用於巖石斷裂韌度測試的人字型切槽巴西圓盤（ ccnbd ） ，中心穿透直裂紋巴西圓盤（ cstbd ） ，應用於巖石抗拉強度測試中的巴西圓盤試樣和平臺巴西圓盤（ fbd ）等試樣。
  20. The first fundamental problem of the crack and hole in the infinite plane

    無限大平面孔洞下直裂紋的第一基本問題的數值解法
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