failure criterion 中文意思是什麼

failure criterion 解釋
故障判定標準
  • failure : n 1 失敗 （opp success）; 不及格。2 不足，缺乏；衰退；【醫學】衰竭。3 不履行，玩忽。4 破產，倒閉...
  • criterion : n. （pl. -ria） （評判等的）標準，準則。
  1. Deduction of failure criterion for geomaterials based on maximum principal shear strain

    巖土材料最大主剪應變破壞準則的推導
  2. Failure criterion of strain energy density and catastrophe theory analysis of rock subjected to static - dynamic coupling loading

    動靜組合加載下巖石破壞的應變能密度準則及突變理論分析
  3. The highlights of this paper include : hoop toughness criterion for longitudinal heat checking of tool joint was introduced firstly ; failure criterion for crescent - shaped wear casing was established according to the results of full - scale collapse tests ; new - typed alloy for hardbanding of tool joint was developed, its property has showed good performance in the tests

    本文的主要創新點在於：以現場失效案例分析為基礎，提出了鉆桿接頭縱向熱裂的橫向韌性判據；通過對已磨損套管的實物擠毀試驗研究，確定了不均勻磨損套管的擠毀失效準則；設計出了具有獨立知識產權的鉆桿接頭硬化帶用新型耐磨減摩合金的成分，經實驗室試驗表明其性能可以達到或超過國外同類產品。
  4. The main research is below : ( 1 ) the influence to intensity and rigid with corner angle ( 60, 75 and 90 degree ) of crack and the board axes ( 2 ) do a fem stress / strain and crack growth simulation analysis when the corner angle of crack and the board axes is 60 degree ( 3 ) do a intensity resume analysis for the structure which is repaired with a titanium patch in a mechanical way when the corner angle of crack and the board axes is 60 degree through simulation analysis for three failure criterion, we have : ( 1 ) in 60, damage extend quickly with damage analysis in hashin criterion ; it is slower for analysis in maximum stress or hashin - rotem criterion. ( 2 ) in special term ( physical condition incision, shape or maximum load ) the compression strength of the stiffened plate will decline 45 % ~ 50 % under compression loads

    通過採用三個不同損傷判據的數值模擬模擬，得到如下結論： （ 1 ）在60時，用hashin判據進行的損傷分析，損傷擴展較快；最大應力及hashin - rotem判據進行的損傷分析，損傷擴展基本相當，且較慢； （ 2 ）在所給加筋板的物理條件、切口大小及形狀、最大載荷等一定的條件下，該加筋板在壓縮載荷作用下，其壓縮強度下降了45 50 ； （ 3 ）在本文提及到的機械連接修理方法以及載荷條件下，修理后的結構強度恢復能夠滿足戰時要求。
  5. I. a mtil ( iaxial elastic - plastic hardening - sofling constitutive model of concrete is proposed iii order to offer a nonlinear material model of concrete for space restoring force analysis of reinforced concrete members taking into account the softening behavior of concrete. the concrete material model is incorporated the elastic - plastic hardening fracturing constitutive model of concrete with the plastic - fracturing theory of concrete, modified without defining two loading functiomis, and based on five parameter power function failure criterion proposed by guo zheng - hai etc from tsingliua ( jniversity, or three parameter unified strength theory proposed by yu mao - hong from x ian iiaotong university

    1 、將砼彈塑性硬化斷裂本構模型與塑性斷裂理論結合起來，並加以改進，但無需定義兩個加載面，以清華大學過鎮海建議的五參數冪函數或以西安交通大學俞茂宏建議的，參數統一強度理論作為砼的強度破壞準則，建立了砼多軸彈塑性硬化松馳本構模型，能為鋼筋砼構件空間恢復力分析提供砼非線性材料模型，並能反映砼材料的軟化段。
  6. A failure criterion for un

    非飽和黃土的破壞條件
  7. 2. a relevant formula of eight - node adhesive finite element is deduced in the paper, which is based on a separately interpolation scheme for reissner - mindlin plate element. a load capability analysis method for patched composite laminated structure is established by using tsai - hill failure criterion and thai ' s reduced stiffness scheme, and corresponding computer code is also developed

    在任意四邊形四節點復合材料層合板殼單元的基礎上，推導了相應的八節點膠單元，並採用蔡-希爾強度理論以及蔡氏剛度退化準則，對復合材料層合板膠接補強結構進行剛度分析和極限承載能力分析，編制了相應的有限元分析程序。
  8. Some basic concepts, failure criterion, formula and determination of analytical parameters such as spring modulus, coefficient of damping and time step of the extended model are presented

    文中詳細介紹了離散單元法的基本原理、破壞準則、基本方程以及彈簧剛度系數、阻尼系數、時間步等計算參數的確定方法。
  9. Study on slope failure criterion based on strength reduction and gravity increase method

    基於強度折減和重度增加的邊坡破壞判據研究
  10. Using the failure criterion of maximum equivalent stress and the method of element birth and death, the space distribution features of small earthquakes ( micro cracks in rock ) before a strong earthquake are simulated

    利用最高應力破裂準則、釋放破裂單元剛度生與死的方法，模擬強震前巖石的破裂和小震的空間分佈特徵。
  11. The main contents of the paper are : ( 1 ) review the state and art for fiber - wound vessel with metal inner lining ; ( 2 ) provide a method to present the technical features including wound process, equal stress dome and fiber gathering at the dome etc. ( 3 ) establish a finite element analysis model considering nonlinear physical and geometrical effects and develop a equivalent constitutive relation for winding graphite fiber reinforced plastic layers ; ( 4 ) set up a failure criterion for the inner metal lining and winding graphite fiber reinforced plastic layers ; ( 5 ) develop a corresponding engineering analysis code based on the commercial software ansys ; ( 6 ) investigate the plastic deformation and residual stress in the inner lining due to winding tension and pre - tension, and stress distribution of the composite vessel under service loading case

    本文旨在為具有金屬內襯的纖維纏繞復合容器的參數設計提供分析模型、方法及工程軟體。論文主要內容是： （ 1 ）對復合容器分析國內外研究的概述； （ 2 ）復合容器的幾何表徵方法及工藝中若干力學問題； （ 3 ）復合容器結構分析的物理和幾何非線性有限元列式及其纖維層的等效本構關系； （ 4 ）復合容器的破壞類別； （ 5 ） ansys程序的二次開發； （ 6 ）典型復合容器的數值討論。本論文工作將對工程界復合容器設計和分析工作者具有參考價值。
  12. Both electric stress and thermal stress had been considered comprehensively during the calculating process. according to the failure criterion, the temperature was chosen correspondingly. then using the energy integral way, the life of device can be deduced

    在計算壽命的過程中，綜合考慮了電應力和溫度應力，根據失效判據，選取實驗過程中相應的溫度段，採用能量積分的方法來外推器件的壽命。
  13. In this paper, probability concepts are applied to establish the probabilistic analysis method on dynamic stability of high - speed railway cwr. dynamic stability and its reliability of high - speed railway cwr are analyzed on the base of first - passage failure criterion. this paper aims to give out design reliability index and the safe allowable temperature limits under design reliability index for high - speed railway cwr dynamic stability in china

    本文運用概率統計理論，提出無縫線路動力穩定性的概率分析方法，基於首次超越失效準則分析了無縫線路動力穩定性和及其可靠度，提出我國高速鐵路無縫線路穩定性的目標可靠指標建議值，確定了滿足預期目標可靠度的允許溫升標準。
  14. In this paper, systematic numerical test have been carried out to study the stability of surrounding rock mass with different distribution of weak interbed, different distance between weak interbed and limit of excavation, different thickness of weak interbed, in the different confining coefficient and representational surrounding rock mass graded ii, iii, iv. all of the numerical modeling is plain - strain type with elastic - plastic constitutive law and mohor - coulomb failure criterion, through the integrated numerical analysis program final. plentiful numerical test results have been drawn via analyse the deformation, tensile stress region, plastic region of surrounding rock and the stress status of shot - crete

    大量的工程實踐表明，軟弱夾層對地下洞室圍巖穩定性的影響有著決定性的作用，本文以大型數值模擬分析系統final為平臺，採用彈塑性應力應變關系和m - c屈服準則建立平面應變問題有限元模型，對軟弱夾層的分佈部位、分佈距離、軟弱夾層的厚度對圍巖穩定性的影響以及在具有不同側壓力系數的地應力場中和、 、類代表性圍巖中軟弱夾層對圍巖穩定性的影響進行了系統的數值試驗，研究得出了軟弱夾層對圍巖位移、拉應力區、塑性區以及噴射混凝土層內力等影響豐富的量化成果，以便直接為工程設計人員提供參考。
  15. Based on fuzzy characteristics in durability failure criterion of concrete structures durable life was estimated, in which process survival analysis method was considered with fuzzy theory and the contribution of statement of truncation data was taken into account

    結合混凝土結構在耐久性評價中包含許多模糊性因素的特點，將模糊數學的思想融入到生存分析法中。基於結構的耐久性失效準則，並考慮刪失數據的狀態對混凝土結構耐久壽命的貢獻，對混凝土結構的耐久壽命進行了統計分析。
  16. Relation study between d - p and c - m failure criterion and rock fracture toughness

    屈服準則參數與巖石斷裂韌度關系研究
  17. The basal specialty of this method is just to consider static equilibrium and mohr - coulomb failure criterion of soils

    它的基本特點就是，只考慮靜力平衡條件和土的摩爾?庫侖破壞準則。
  18. According to the sample theory, applied the time terminated test plan, the reliability compliance test plan was brought forward. the reliability compliance test plan was divided into two parts, residual current protection test and operation reliability test. in this paper, the test plan, the failure criterion and the program of reliability test were introduced

    本文由抽樣理論，採用定時截尾試驗方案確定了漏電保護器的可靠性驗證試驗方案，漏電保護器的可靠性驗證試驗由成功率驗證試驗和失效率驗證試驗組成；本文還給出了漏電保護器可靠性驗證試驗的試驗條件、試驗檢測方法、失效判據，以及可靠性驗證程序。
  19. Suggestion the design reliability index of high - speed railway cwr dynamic stability to be settled 4. 2 by quoting a renewal process model and first - passage failure criterion, the analysis method of cwr dynamic stability in design reference period is proposed. the reliability of high - speed railway cwr dynamic stability is analyzed. its result is compared with quasi - static analysis method and random simulation analysis method

    基於反應更新過程模型和隨機過程跨越理論，提出了無縫線路穩定性動力可靠度的分析方法，分析了高速鐵路無縫線路穩定性動力可靠度，並與隨機模擬法、擬靜力法的計算結果進行了對比分析。
  20. The adopted failure criterion was a composite mohr - coulomb criterion with tension cut - off and the post - peak constitutive relation of rock was linear strain - softening

    計算中採用了莫爾庫侖與拉破壞復合的破壞準則，峰后巖石本構關系為線性應變軟化。
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