裂縫閉合度 的英文怎麼說

中文拼音 [lièféngbìgědù]
裂縫閉合度 英文
fracture closure
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 縫 : 縫名詞1. （接合處） seam 2. （縫隙） crack; crevice; fissure; slit
  • 閉 : Ⅰ動詞1. （關; 合） close; shut 2. （堵塞不通） block up; obstruct; stop up Ⅱ名詞（姓氏） a surname
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 裂縫 : 1. （裂開的縫兒） rent; rip; hiatus; tear; rift; crevice; crack; fissure 2. [地質學] fracture; rupture
  1. 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。
  2. Two statuses of the cracks are assumed under dynamic loading : completely open and completely closed during structural vibration. the structural cracked zone can be simulated by nonlinear element whose stiffness is relative small when the cracks are open and equals to structural virgin stiffness before cracking when the cracks are closed during structural oscillation

    結構的開裂區域可以用非線性單元來模擬，這樣的非線性單元具有這樣的特點:當結構的裂縫處于張開狀態下，其剛度比較小，當結構的裂縫處于閉合狀態下，開裂部分結構的剛度等於結構開裂前的剛度。
  3. The opening stress and the life of crack growth is calculated and compared with the test results and the experience formula. the feasibility of the newman theory of opening stress used in the high strength steel is validated. then through the slice synthesis method, the three dimension surface crack of the weld joint of cone - cylinder is decomposed into many plane through cracks

    本文將基於裂紋閉合現象建立的帶狀屈服模型，用在平面貫穿裂紋中，計算此時的裂紋張開應力和疲勞裂紋擴展壽命，與試驗結果和經驗公式比較，驗證newman裂紋張開應力理論在高強鋼中的可行性；然後，用切片合成法，把潛艇結構凸錐柱結合殼焊縫處的三維表面裂紋分解成平面貫穿裂紋，用帶狀屈服模型的理論來分析平面貫穿裂紋，得到裂紋沿深度方向的擴展速率，進而得到潛艇結構的疲勞壽命。
  4. It is related to lithology, lithology association porosity, permeability, compressibility of rock, enclosing and fracture etc. therefore, it is important for the forecast of formation compression to consider fully the variation of each geology factor

    實際上，地層壓力的影響因素很復雜，與巖性及其組合、巖石的孔隙度及滲透率、壓縮性、巖層的封閉性、裂縫等有關。因此，在進行地層壓力預測時要充分考慮各種地質因素的變化。
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