fracture criterion 中文意思是什麼

fracture criterion 解釋
斷裂規范
  • fracture : vt. ,vi. （使）破裂；（使）折斷；（使）斷裂。n. 1. 破裂，折斷，斷裂。2. 裂痕，裂縫，裂面。3. 【醫學】挫傷，骨折。4. 【礦物】斷口；【地質學；地理學】斷層。
  • criterion : n. （pl. -ria） （評判等的）標準，準則。
  1. Maximum circumferential stress criterion of brittle fracture for v - notch

    型切口脆性斷裂的最大周向應力準則
  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. Fracture criterion of - mixed mode crack for orthotropic plate

    正交異性板復合型裂紋相對周向應力斷裂準則
  4. Aiming at the deficiencies in the ctod criterion applied to analysis of critical crack propagation, a new fracture criterion is established

    針對ctod準則在混凝土壩裂縫失穩擴展分析中的不足，提出了一種裂縫失穩擴展新判據。
  5. Brittle fracture criterion for mixed - type of sharp v - notch

    形切口脆斷準則
  6. 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。
  7. Prediction of the forming limit in bulging of different sheet metals using a ductile fracture criterion

    應用韌性斷裂準則預測不同材料的脹形極限
  8. To predict the forming limit in sheet metal forming, a ductile fracture criterion is introduced into the finite element simulation

    摘要為了準確地預測板料成形極限，將韌性斷裂準則引入到有限元模擬中。
  9. Brittle fracture criterion for sharp v - notch

    形切口的脆性斷裂準則
  10. A fracture criterion based on the deviator strain energy density factor

    形狀改變比能密度因子斷裂準則
  11. Fracture criterion for ceramic notched elements under compression

    軸向壓縮載荷下陶瓷切口件的斷裂準則
  12. Research on 3d fem prediction of sheet metal forming limit based on ductile fracture criterion

    基於延性斷裂準則的板料破裂極限三維有限元預測方法研究
  13. 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。
  14. 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。
  15. Based on the theory of fracture mechanics, the relation between the critical stress intensity factors for v - notch kc and the plane strain crack toughness k10c and the brittle fracture criterion of the maximum circumferential stress for single and double stress singularity with the v - notch problems are proposed. experiments were carried out using two kinds of v - notched specimens made out of plexiglas to verify this brittle fracture criterion

    本文基於斷裂力學原理，推導出了型切口的臨界應力強度因子k _ c與材料的平面應變斷裂韌度k _ （ 10c ）之間的關系，給出了平面單奇異性和雙奇異性型切口問題的最大周向應力脆性斷裂準則，並用有機玻璃板材加工了兩種型切口試樣，進行了實驗驗證。
  16. Fracture criterion of brittle material with compound crack

    脆性材料復合裂紋斷裂判據研究
  17. Based on the histories of stress and strain calculated by the finite element simulation, the initiation of fracture is predicted by means of the ductile fracture criterion

    在有限元模擬獲得的應力應變場基礎上，應用韌性斷裂準則預測板料斷裂的發生。
  18. Though the finite element analysis is a primary method for the numerical simulation research, the only elastic properties research on 3d braided composites is not enough when it is used in the key components, building the perfect fracture criterion is theoretical basis for its widespread availability

    三維編織復合材料的力學性能的數值模擬主要以有限元方法為主，然而僅僅依賴于對其彈性性能的研究結果還遠遠不能滿足三維編織復合材料作為關鍵結構部件的使用要求，建立完善的斷裂準則是編織復合材料大量使用的理論依據。
  19. 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
  20. On a general fracture criterion for brittle materials under combined tension torsion

    扭復合應力下脆性材料斷裂的一般準則
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