預塑性變形 的英文怎麼說

中文拼音 [yùsùxìngbiànxíng]
預塑性變形 英文
prior plastic deformation
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 塑 : 動詞（塑造） model; mould
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  1. On the basis of the basic theory of metal distortion, using round steel alit rolling as entity model and combining with production practice, the selection of slit location, slit mode and the design parameter of slit pass system were analyzed, and the area calculation model of pre - slit rolled piece and slit rolled piece was built

    摘要基於金屬塑性變形基本理論，以圓鋼雙線切分為基本實體模型，結合生產實踐，對切分位置、切分方式的選擇和切分孔型系統的設計參數進行了分析，並建立了預切分軋件和切分軋件的面積計算模型。
  2. The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter

    本文首先從梁極限狀態下的變形入手，將塑性鉸區看作純彎段，將塑性鉸以外的區域看作剛體，按照體外預應力筋的形狀不同，分工程中最常見的三種體外結構形式，即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁，研究體外預應力筋變形和梁體的變形間的關系，推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式，並進一步求得梁的極限承載力。
  3. Therefore, how to ensure the simulation precision and accuracy is crucial to engineering applications. further improve the automated theory, and continually enhance the accuracy of simulated body structure is the focus of research on anti - collision simulation

    基於一步成形逆有限元方法可以對車身結構件的成形厚度和塑性應變進行預示，改進這一方法，並應用於車身結構件碰撞計算模擬中。
  4. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中，模擬結果表明，保壓時間是影響製件成形質量的關鍵因素之一，擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大，需進行參數之間的協調，只有當變形區內部始終維持準固態時，才能實現穩定的液-固擠壓成形過程；在變形場的模擬中，根據液態浸滲擠壓的成形特徵，選用了雙曲正弦剛-粘塑性有限元計算模型，研究了變形過程中應力應變場的變化規律，研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。
  5. This paper analyzes and explores stress strain model and principle of the project of concrete diaphragm wall after concluding other engineers and project practices and describing the seepage and deformation character of the plastic concrete used in the cofferdam of the second stage of the three gorges project. we analyze and forecast the change trend by using mathematics statistics regression, then we get the best regression equation. finished it, we used this way to the cofferdam of the second stage of the three gorges project. it proves that the method which i have introduce in this article is effective for the stability of concrete diaphragm wall and it is also a valid for supervising cofferdam security after using it in many projects

    本文在總結前人和其他工程實踐的基礎上，結合三峽二期土石圍堰實例綜合分析塑性混凝土防滲墻的滲透和變形特性，對三峽二期圍堰砼防滲墻的應力應變模型、原理進行了分析、探討，在監測分析資料的基礎上進行數學統計回歸分析，並對變形進行預測，通過對砼防滲墻及堰體的應力應變監測數據進行數學統計回歸分析，得出了最佳回歸方程，並對三峽二期圍堰變形進行預測，達到了對圍堰安全性監測評價的最佳效果。
  6. On the basis of the important research project of the ministry of communications - the prevent and study of slope disaster in the project of beijing - zhuhai highway, the thesis developed the structure ' s design theory. in order to design more reasonable, the thesis propose the cohesion shear stress is unequal distribute at the anchorage zone. and it can be divided into two parts, the front function is uniform and the behind is exponential

    為了合理的進行工程設計，本文按彈塑性理論對預應力錨索錨固段的黏結剪應力進行了分析，將錨固段劃分為塑性變形區段和彈性受力區段兩部分，認為錨固段黏結剪應力為非均勻分佈，前段剪應力為均勻折減應力，後段剪應力為寸旨數變化應力，由此提出了相應的錨固段長度計算公式。
  7. Obtained pre - tight and in the work process pressure distribution, the frictional stress, the elastoplasticity distortion and the stress distributed cloud chart and so on, and has carried on the thorough comparison and the analysis to the result

    得到了施加預緊和工作過程中的壓力情況，摩擦應力，彈塑性變形和應力分佈雲圖等，並對結果進行了深入的比較和分析。
  8. The result showed that plastic deformation during pre - strain played an restrained role on the growth of martensite ( especially in the direction of lath width ) and increase the nucleation rate indirectly ; the elastic energy induced by plastic deformation restrain the transformation of primary martensite but accelerate the transformation of after martensite

    實驗結果表明：預應變過程中造成的塑性變形對馬氏體生長（尤其是寬度方向）有約束作用，起間接提高馬氏體形核率的作用，所儲備的彈性應變能對初生馬氏體的轉變有抑制作用，但對繼生馬氏體的轉變卻有促進作用。
  9. Then this paper pointed out that dfc could predict the forming limit of metal sheet with low plasticity well and meantime take the change of forming path into account

    指出利用韌性斷裂準則，不但能夠較好地預測塑性差的板料成形極限，而且還能考慮應變路徑的變化。
  10. The swelling is the secondary reason for large deformation. by the elasticity - plastic fem analysis and the flow deformation analysis through inspecting system to the rock ii3, getting that the total deformation is within the quantity set aside

    通過對鷓鴣山隧道_ 3圍巖變形性狀進行彈塑性有限元數值計算並利用監控量測資料進行軟巖流變分析，得出其總變形在預留變形量之內。
  11. The liquid infiltration - extrusion technology, as a new forming method which includes the liquid forging and the solid extrusion, has been developed in recent years. the process in essence is that after liquid metal is infiltrated into the fiber perform under pressure, high pressure is directly applied to it so that the melted metal is to be crystallized and solidified under pressure, and then undergoes large plastic deformation at the liquid - solid state or the state just solidified

    液態浸滲擠壓是近年來發展起來的一種融液態模鍛和固態擠壓為一體的新成形工藝，其工藝實質是使液態基體金屬在壓力下滲入纖維預制體中，發生壓力下結晶凝固，並在液-固態或剛凝固態經受大的擠壓塑性變形，一次成形出金屬基復合材料的型材類製件。
  12. The effect of plastic deformation and elastic strain energy induced by pre - strain on the nucleation of martensitic transformation of low alloy ultra - strength steel sosimncrmov had been studied by pre - strain quenching in austenite state. the control over deformation magnitude and deformation temperate as well as loading pattern was performed to adjust the storage of elastic strain energy in steel before martensitic transformation, using the type of geeble - 1500 thermal analogue test machine

    使用gleeble - 1500型熱模擬機，對低合金超高強度鋼30simncrmov實施奧氏體預應變淬火處理，通過控制形變量、形變溫度和加載方式，調整鋼中馬氏體相變前的彈性應變能儲備，研究了預應變所造成的塑性變形與彈性應變能對馬氏體相變的影響。
  13. Consider the total plasticity of these several kinds of prestrain a3 steel specimen. the total plasticity of tension - torsion - tension action was higher than that of torsion - tension and torsion - tension - tension action. but the max. values of their total plasticity were all greater than those of any single destructional form

    考慮幾種預應變下的a3鋼試件的總塑性，拉伸-扭轉-拉伸作用下的總塑性比扭轉-拉伸和扭轉-拉伸-拉伸作用下的總塑性有明顯的提高。但它們的總塑性的最大值都大於單一破壞形式下的總塑性。
  14. The results indicate that the elastic operating stress range of a torsional axis is extended greatly by pre - twist process and the main reason lies on surface residual stress

    結果表明，預扭后扭力軸彈性工作應力?圍得到極大擴展，其主要原因在於預扭塑變形成的表面殘餘應力。
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