斷裂判據 的英文怎麼說

中文拼音 [duànlièpànjù]
斷裂判據 英文
criteria of failure
  • 斷 : Ⅰ動詞1 （分成段） break; snap 2 （斷絕;隔斷） break off; cut off; stop 3 （戒除） give up; abstai...
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 判 : Ⅰ動詞1 （分開; 分辨） distinguish; discriminate 2 （評定） judge; decide 3 （判決） sentence; con...
  • 據 : 據Ⅰ動詞1 （占據） occupy; seize 2 （憑借; 依靠） rely on; depend on Ⅱ介詞（按照; 依據） according...
  • 斷裂 : break; disrupt; flying off; fracture; fragmentation; out break; rift;crack;bursting;rupture;rendi...
  1. The " popcorn " fracture analysis was studied by introducing reasonable simplifications and taking advantage of the strain energy release rate expression involving the hydrothermal effect

    利用本文提出的斷裂判據，通過合理簡化，作者對吸濕電子元件在高溫焊接過程中發生的「爆米花」式脫層斷裂進行了研究分析。
  2. Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted

    具體來講，根據w - w的五參數混凝土破壞理論，建立混凝土的開裂準則，根據開裂應變值來判斷裂縫是張開還是閉合，從而在兩者基礎上建立了裂縫的開裂預測模式，總共有16種開裂模式；裂后根據具體的開裂模式及殘余抗剪能力來調整混凝土的本構關系矩陣，即用等效剛度代替原有剛度，考慮到垂直於裂縫方向的剛度為零，這樣會使裂后的總剛出現病態，為此文中通過引用鬆弛系數來對出現裂縫的單元進行預處理，一方面可解決因過大的舍入誤差導致計算結果的不可信問題，另一方面就是可加速收斂。
  3. The consistency of the energy criterion and the stress intensity factor criterion to model i crack is discussed concisely, and the new method to calculate linear critical fracture stress is presented

    藉助裂紋圓模型簡明地論述了型裂紋擴展的能量判據與應力強度因子判據的一致性以及線性斷裂臨界應力的新演算法。
  4. Detecting nuclear warhead by counting delayed neutrons induced by neutron source is studied. the 2 - step calculation method is proposed to resolve the delayed neutron transportation issue. this method can save computer ' s calculation time, and is easy to operate

    本文研究了用外中子源照射核彈頭，誘發其裂變材料裂變，探測緩發中子的方法，以此判斷高濃鈾與低濃鈾，從而為核查核彈頭的真偽提供依據。
  5. Based on lots of experiments, by combining the progress in mesomechanics with fea computation and analysis, this thesis investigated many parameters " effect on crack with an arc - tip in plain mixed - mode fracture, and compared existing criteria for fracture initiation, fracture direction and fracture mode transition

    本文主要的工作是在試驗的基礎上，結合細觀斷裂力學當前的研究進展，通過有限元計算和模擬分析，研究了平面復合型斷裂中各種力學參量對圓弧尖端裂紋斷裂的影響，比較分析了現有的起裂判據、斷裂擴展方向的判定方法以及斷裂模式的轉換條件。
  6. In short, the analysis of arc - tip fracture shows that : the initiation of void - mode fracture can be judged by vgc criterion, or by j ". according to sx criterion ; fracture direction of void - mode fracture can be determined by ctod and peak value line of stress triaxiality. the mesomechanics mechanism of shear - mode fracture need further study, and analysis found direction of plastic belt is consistent with the direction of shear - mode fracture

    綜上所述，本文通過對圓弧尖端裂紋的分析表明：對于韌窩型斷裂的起裂，可以依據-復合型斷裂的sx準則按照i ~ 1來預測起裂載荷，也可用v _ （ gc ）判據來預測起裂載荷，二者結果相近；對于韌窩型斷裂的斷裂角，用ctod矢量方向和三軸度脊線方向判斷均和試驗結果基本。
  7. Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure

    試件的整體斷裂為剪切型，但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展，說明局部較高的應力三軸度也會使韌窩型機制得以發展，但是不改變試件整體的剪切型斷裂模式；對韌性斷裂的剪切模式的細觀機理做了一定的探討，並且提出了含裂紋構件剪切型斷裂的宏觀判據：認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向（可簡稱為_ （ pmax ）準則） ，集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷；本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果，採用失效評定圖的形式，提出了傾斜裂紋的安全性評定方法的基本框架。
  8. Because of the uncertainty of the geological factor, the complexity of high slope project and the particularity of anchor cable project, after the slope is excavated, according to slope ' s stratum rock, weather degree, broken degree, split surface, slope body structure and moisture state, etc, check, analyse and judge reality synthetically, protect and strengthen and design dynamically the high slope, guarantee the stability of slope body and security structure

    摘要由於地質因素的不確定性，高邊坡工程復雜性和錨固工程的特殊性，待邊坡開挖揭示后，根據邊坡的實際地層巖性，風化程度、破碎程度、構造裂面、坡體結構和含水狀態等因素，綜合校核和分析判斷是否實際，對高邊坡防護加固進行動態設計，確保坡體穩定結構安全。
  9. Abstract : the drawing breakage of hard wire are classed from materials and technology. its causes are analyzed, and some typical examples are put forward

    文摘:從原料和加工工藝方面對拉拔斷裂原因進行分類；介紹了根據拉拔工藝、宏觀斷口分類分析來判斷硬線拉拔斷裂原因的方法和部分典型事例。
  10. One is void - model fracture which is resulted from initial, dilatation and coalescence of voids in material. the fracture criterion of void - model fracture is vgc - criterion or ctodi - criterion, and its fracture angle is able to be determined by m - criterion

    韌窩型斷裂由材料內空穴的形核、擴張和匯合造成，斷裂判據可以採用「 v _ （ gc ）準則」或ctod ~ i準則，斷裂角可以採用m準則確定。
  11. First, the one - dimension load transfer model presented by cox was studied in details. based on the ideal interface bonding load transfer model, a fibre fracture criterion and an interface debonding criterion were established in terms of fracture mechanics, which bettered the interphase load transfer model. this model could also describe the process of single - fiber composites fragmentation

    首先，本文充分研究了cox一維界面載荷傳遞模型，在完美界面粘結載荷傳遞模型的基礎上根據斷裂力學觀點建立了纖維斷裂判據和界面脫粘判據，完善了界面載荷傳遞模型，以該模型為基礎較好地描述了單纖維復合材料拉伸實驗過程。
  12. Secondly, among the single mothers, those who have the experience of divorce tend to hold that their own efforts are not useful for the improvement of marriage relations, and to believe that if crises occur in their marriages, divorce is the inescapable fate and it is the spouses " behavior that leads to the failure of marriage. thirdly, those who have lost their husbands will more idealize their marriages, and blame much more of themselves when there are some crises in their marriages. fourthly, the factors such as personality, age, years of education, years of being single will influence the perception of the underlying causes of satisfaction or dissatisfaction in marriage, and meanwhile the attribution in marriage is correlated with the swb ( subjective well - being ) and satisfaction of life

    根據調查的結果，我們發現： （ 1 ）單身母親生活負擔沉重、健康狀況不佳、心理壓力大、對生活質量評價低、主觀幸福感差，是弱勢群體中的弱者； （ 2 ）單身母親群體中，有過離異經歷的婦女更傾向于認為自身的努力無助於改善婚姻關系，如果婚姻出現危機，破裂將是難以避免的，並將失敗的責任更多地推卸給外部因素； （ 3 ）喪偶組婦女在分析婚姻成敗的原因時，表現出將婚姻生活理想化的傾向，並且在婚姻出現危機時，比其他婦女更傾向于將責任歸咎為自己，而產生更多的自責情緒； （ 4 ）性格特徵、年齡、受教育程度、單身時間的長短等因素都會影響個人對婚姻成敗原因的判斷，同時，對婚姻成敗的歸因與主觀幸福感、生活滿意度都有一定的相關。
  13. Fracture criterion of brittle material with compound crack

    脆性材料復合裂紋斷裂判據研究
  14. The strain softening of dam body and foundation is the necessary condition for dam instability. according to observation data of dam cracks, a gray cusp catastrophe model is established to judge the stability of the crack. according to the slope observation data of a certain hydropower plant, a nonlinear dynamic model is developed by means of reversion and the lyapunov exponent spectrum, and the lyapunov information dimension are calculated for judgement of the stability of the slope

    （ 5 ）基於變分原理，研究建立了能量形式的失穩準則，並說明壩體、巖基的材料具有應變軟化的性質，是大壩失穩的必要條件；並利用大壩的裂縫實測資料，建立了相應的灰色尖點突變模型，由此判斷裂縫的穩定性；根據某水電站庫區滑坡體的變形實測資料，反演其非線性動力學模型，進而計算lyapunov指數譜、 lyapunov信息維來判定邊坡的穩定性及穩定程度。
  15. Research on mode and criterion of rock fracture under compressive loading

    壓縮條件下巖石斷裂模式與斷裂判據的研究
  16. In simulation of bursting and it ' s restitution, modulation of streak is used to distinguish the bursting area

    模擬了三維物體的動態破裂過程，用調制度作為物體破裂區域判斷的依據，最後給出了物體破裂過程的恢復結果。
  17. A simplified crack tip brittle fracture model and fracture criterion for mixed mode of loading

    簡化脆性斷裂裂尖模型及復合型斷裂判據
  18. For the polymer showing time - dependent character in many situations, the viscoelasticity should necessarily be taken into account in the general model. further, as the conventional j integral is no longer valid for hydrothermal materials cases, investigations on new energy - type fracture criter ia are specifically needed

    此外，在含濕、熱效應的高聚物材料中，傳統的粘彈性或彈性材料的斷裂判據不再適用，所以，對該問題進行研究也是十分必要的。
  19. Based on the theoretical analysis of splitting mechanics and by the dynamic photoelasticity experiment, we studied the judgment how rock and concrete split under the affection of notched blasting. we built up the splitting mechanics model of rock and concretes under the affection of notched blasting. beyond all above, we gain the mechanism of notched directional splitting controlled blasting

    本文在斷裂力學理論分析基礎上，通過動光彈爆破實驗，探討了在切槽爆破作用下巖石和混凝土的斷裂判據，建立了在切槽爆破作用下巖石和混凝土的斷裂力學模型，並由此得出切槽定向斷裂控制爆破機理。
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