incremental deformation 中文意思是什麼

incremental deformation 解釋
前進變形
  • incremental : adj. 1. 增加的，增大的，增長的。2. 增額的。3. 【數學】增量的。
  • deformation : 變形,走樣
  1. While cyclic deformation experiment under constant strain control is performed in 400, the material shows the continuous hardening until cyclic invalidation. ( 3 ) back stress attained by kwl " s method is used to analyse the bauschinger effect during an incremental step cyclic test and cyclic deformation test under constant strain control, it is shown that back stress increases with increasing plastic strain and the numbers of cycle, and the back stress is uniform, regardless of tension or compression conditions. ( 4 ) as far as recrystallized zircaloy - 4 plate is concerned, the back stress in transverse direction is higher than that in rolling direction due to the higher schmid factor in rolling direction

    對于再結晶狀態的zr一4合金板材試樣來說， t方向（橫向）試樣的背應力要高於r方向（軋制方向）的背應力，原因在於r方向的schmid因子高於t方向的schmid因子; 400下， zr一4合金的背應力要明顯低於室溫下的背應力;含氫200pg / g的zr一4合金的背應力大小與無滲氫的zr一4合金背應力相比，無明顯區別;固溶處理后， zr一4合金的背應力大小發生了變化，在較高塑性應變下，背應力均高於固溶處理前的背應力。
  2. So it is very important to understand the cyclic deformation behavior of zircaloy - 4. in this paper, bauschinger effect of zircaloy - 4 with different metallurgical state at room temperature and 400 ? is investigated in an incremental step test and cyclic deformation test under constant strain control. bauschinger effect during cyclic deformation is described by using back stress, which is mainly responsible for bauschinger effect ; back stress is attained by using kwl " s method

    本文採用單試樣逐級加載循環變形和恆應變幅循環變形試驗，研究了不同冶金狀態、溫度、氫以及固溶處理下的zr - 4合金的bauschinger效應現象；種種結果表明，影響bauschinger效應的主要因素是背應力；本文正是從背應力的角度來分析各種狀態下zr - 4合金的bauschinger效應現象；背應力的計算主要通過使用kwl方法而獲得。
  3. The experimental results is shown as followings : ( 1 ) the cyclic flow stress - strain curves in an incremental step test could be expressed as the power law relation : ( 2 ) when the strain amplitude is lower during cyclic deformation tests under constant strain control, softening firstly appears, then gradually hardens with the increasing numbers of cycle ; when the strain amplitude is higher, hardening firstly appears, then gradually softens

    試驗結果表明： （ 1 ）循環流變應力與應變的相互關系曲線均符合冪律關系式： （ 2 ）在室溫下進行恆應變幅循環變形過程中，當所控制的應變幅較小時，該材料首先出現循環軟化，之後隨循環周次的增加直至循環失效前該材料出現了硬化現象。當應變幅較大時，該材料開始出現硬化，然後隨循環周次的增加才出現軟化。
  4. The stress - strain distributions and deformation characteristics of forming process are calculated and analyzed by the successive approximation numerical method based on the incremental strain theory

    基於增量理論的逐步逼近數值法，計算分析了成形過程應力應變分佈與變形特點。
  5. Through iteration for all incremental steps the ultimate load can finally be found. using the present method the ascending segment of the load - deformation curve can be obtained. considering of the effect of stability and material strength

    在理論推導的基礎上，採用visual - fortran語言將該演算法編成程序，給出了具體演算法步驟和程序框圖流程。
  6. Sheet thickness is thinned, surface area is increased in the nc incremental sheet metal parts forming process, and sheet forming point by point is to lead to the whole sheet deformation

    認為，板料零件數控漸進成形是使板料的厚度減薄，表面積增大，靠逐次的變形累積產生整體的變形。
  7. For each curvature incremental step, a deformed curve in the correspondi ng state can be determined for the column. through the iteration for all incremental steps until the solution is convergent, the complete load - deformation relation can then be obtained

    對各曲率增量進行反復迭代，直至得到收斂解，就獲得了長柱從加載到破壞的全過程變形曲線及荷載-撓度曲線。
  8. An inner iterative incremental displcacement procedure on the basis of the harmonization of the deformation amid the displacement function, and an inner iterative incremental load procedure cmi the basis of tile dispacement function and the improved arc - length method are proposed

    本文提出了基於變形協調與位移模式的內迭代位移增量法與基於位移模式和改進弧長法的內迭代荷載增量法。
  9. In the positive - issue research of bird impact, the thesis carefully explores the basic theories, finite element numerical method and key techniques of the solution process in ls - dyna3d software system for contact - impact issue of viscoelastic bodies at large deformation. the well - chosen cases examine the accuracy of solutions in ls - dyna3d for large deformation impact issues. under the proof work, the incremental constitutive equation of bilinear and nonlinear viscoelastic materials are derived, coded and verified in ls - dyna3d

    在鳥撞正問題的研究中，本文詳細推導了大變形粘彈性接觸-碰撞有限元分析的基本理論、數值計算方法、求解過程、關鍵技術以及上述內容在ls - dyna3d中的具體應用，算例考察了ls - dyna3d在求解碰撞以及大變形問題上的計算精度，同時推導了線彈性材料、雙線性彈塑性材料以及非線性粘彈性材料增量法迭代方程，編制了相應的用戶自定義材料子程序，並進行了子程序驗證。
  10. The proposed beam model satisfied the rigid - body test requirement. by using general displacement control method ( gsp method ) to determine the incremental load parameter and using incremental tangent method to deal with material non - linearity, the proposed beam model were proved to be able to track the entire procedure of deformation, numerically effective during buckling or snap - through of structure

    一系列的典型算例分析表明，本文提出的彈塑性大位移梁單元，能夠準確的跟蹤結構變形的整個過程，包括極值點失穩和跳躍屈曲的情況，可以運用於框架結構的屈曲后性能研究和非線性極限承載力的分析計算。
  11. The comparison of results obtained from this method with experiment and incremental approach indicated that this method can analyze the deformation of sheet metal forming part qualitatively

    通過實例的計算結果和實驗以及增量方法進行了比較，表明此方法能夠定性地分析成形工件中的變形情況。
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