隨機疲勞 的英文怎麼說

中文拼音 [suíláo]
隨機疲勞 英文
random fatigue
  • : Ⅰ動詞1 (跟; 跟隨) follow 2 (順從) comply with; adapt to 3 (任憑; 由著) let (sb do as he li...
  • : machineengine
  • : 形容詞(疲乏; 勞累) tired; weary; exhausted
  • : Ⅰ動詞1 (勞動) work; labour 2 (煩勞) put sb to the trouble of; trouble sb with sth : 勞您費心...
  • 隨機 : random stochasticrandom
  • 疲勞 : 1. (疲乏勞累) tired; fatigued; weary; become fagged 2. (機能或反應能力減弱) fatigue; strain 3. [物理學] fatigue
  1. The analysis of randomness of local stress and strain in strain - based fatigue was studied, the approximate polynomial method was proposed

    探討了應變的局部應力應變的性分析,提出了近似的多項式擬合法。
  2. Based on the principle of the cooperation, i. e, the correlative stochastic equations are located on the same probability level, the linear regression with fuzzy weight analysis is adopted to fit the test data, and the three - parameter stress - life curves of the mean and the mean square deviation are obtained

    根據協同原理,即相關聯的方程動態地處于同一概率水準,採用模糊加權線性回歸方法對試驗數據進行擬合,得到了三參數的應力-壽命模型均值和均方差曲線,從而求得在給定應力下各可靠度的壽命。
  3. Reliability assessment of xi - luo - du underground water - power plant : the results have been used by the cheng - du surveying, design and research institute for the preliminary design ; ( 2 ) the stress and strain analysis for the xiao - guan - zi sluice and its foundation : the report has been applied for the reinforcement of the foundation ; ( 3 ) the thermal control procedure for the no. 7 - 14 power plant dam segments of the three gorge project : the research report provides the effective and efficient methods for the controlling of the temperature field in the mass concrete structure ; ( 4 ) the software system development for the long - term monitoring for dikes : the software can automatically give the results of the seepage field and the probability of soil piping of dikes and underground ; ( 5 ) reliability assessment of xiang - jia - ba underground water - power plant : the results have been used by the zhong - nan surveying, design and research institute for the preliminary design ; ( 6 ) fatigue reliability estimation of shipping berthing pillar : the results give the optimized design scheme and prediction of the structural age ; ( 7 ) 3 - d static and dynamic stochastic finite element analysis for the strength, stability and thermal control problem for xi - luo - du project

    溪洛渡水電站超大型地下洞室群圍巖穩定的安全可靠性分析:被成都勘測設計研究院應用於比選報告及可行性論證中; ( 2 )小關子水電站攔河閘壩及地基的應力應變分析:被成都勘測設計研究院應用於地基加固處理方案; ( 3 )三峽廠房7 # - 14 #壩段溫控並縫措施研究:為廠房壩段並縫方案的可行性提供了依據; ( 4 )堤防工程體系的長期監控預報預警決策系統開發:為監控、預測預報堤防滲漏管涌破壞提供分析軟體; ( 5 )向家壩地下洞室群圍巖穩定的安全可靠性分析:被中南勘測設計研究院應用於初步設計方案中; ( 6 )靠船墩的可靠度研究:為廣東航運規劃設計院的靠船墩優化設計和加固提供依據; ( 7 )溪洛渡高拱壩壩體壩基(壩肩)強度和穩定的三維靜動力有限元分析及可靠度計算:為溪洛渡重大工程壩體的靜動力安全穩定性及溫控方案提供依據。
  4. Generator testing system based on serial communication for platforms

    基於采樣法的液壓腐蝕試驗測控系統
  5. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究過程中材料強度退化規律的基礎上,建立了一個強度退化模型.對其進行化處理,得到控制強度退化過程的微分方程.在一定假設條件下,獲得了剩餘強度概率密度函數的封閉解,並推導出壽命的反高斯分佈形式.給出一種考慮損傷狀態對漲落影響的近似處理方法.與試驗數據的比較結果表明,本文的模型和方法是合理的
  6. 3. the crane load and fatigue strength are regarded as stochastic process, the fatigue dynamic reliability based on limit stress model and fatigue dynamic reliability based on accumulation damage model are established on the base of statistic analysis the fatigue load and resistance

    3 、在對荷載與抗力統計分析的基礎上,視吊車荷載與強度為過程,建立了基於極限應力模式的動態可靠性分析模型及基於累積損傷模型的動態可靠性分析模型。
  7. Second, the random variables in reliability analysis of the steel rail are discussed. these random variables include the wheel load, the stiffness of the rubber pad and the bed, the temperature stress and the fatigue ultimate strength of the steel rail. and their probability distributions and parameters are discussed thoroughly

    其次,對鋼軌可靠度分析中涉及的變量如輪載力、軌下膠墊剛度、道床路基聯合剛度、溫度應力及鋼軌極限強度的概率分佈類型和統計特徵進行了詳細討論。
  8. According to our experimental investigations of varying load amplitude, it was found that the phenomena of fatigue crack growth retardation occurred for pmma material following a high overload cycle exerted among the regular constant amplitude load cycles, the ratio of peak value of overload to that of the regular cycles should be over at least 1. 35 to make the retardation taking effect. the experiment scheme for measuring the shutting - off ratio of overload ( defined as the overload ratio when da / dn < 10 - 7 / cyc. )

    本文試驗分析了變幅載荷對裂紋擴展的影響,證實了有玻璃也存在超載遲滯現象,通過金相觀察分析,提出超載遲滯的過程實際上是裂紋前緣萌生新的裂紋的過程的觀點,同時提出超載遲滯的合理的解析,並且給出超載遲滯比,為載荷下擴展模型的建立提供了一個重要的參數。
  9. Secondly, the influences of the random parameters on fatigue propagation are discussed in the fatigue propagation paris formula

    其次,論述了裂紋擴展公式中各參數對擴展速率的影響。
  10. In this dissertation, the effect of texture, heat - treatment, and hydrogen on the lcf behavior of zircaloy - 4 and the cyclic deformation behavior for zircaloy - 4, n18 alloy and n36 alloy have been investigated systematically using fully - reversed tension - compression loading under strain control ( r = min / max = - 1 ), while the evolvement of the friction and back stresses versus the number of repeated working cycles and the plastic strain amplitude has been studied, and the thorough discussion combined with the analysis result of fatigue sub - structure, friction and back stresses, and fatigue fracture has been given to the mechanism underlying the lcf behavior of alloys

    本文採用對稱拉壓循環變形方法( r _ = _ ( min ) _ ( max ) = - 1 ) ,系統研究了織構、熱處理狀態、氫對zr - 4合金低周性能的影響, zr - 4合金、 n18合金和n36合金的循環變形行為,並研究了摩擦應力、背應力循環周次、塑性應變幅的變化規律。結合亞結構和斷口的分析結果,深入探討了影響合金低周行為的作用制。
  11. ( 1 ) from the considering of the probabilistic model being actually established by randomness of the average relations fitting into the test data, the appropriated statistical distributions for the fatigue lives are explored by the errors, which is different from the commonsense

    ( 1 )概率s - n曲線本質上是在最佳擬合曲線(即均值s - n曲線)的基礎上,考慮誤差的性建立的。本文首次從誤差數據的角度研究了壽命的良好假設分佈模型。
  12. However, the fatigue of structure is such a complicated phenomenon affected by many uncertainties that it is necessary to analyze the structural fatigue from the point of probability and statistics. probabilistic fracture mechanics is a branch of fracture mechanics, so the various parameters affecting the fatigue propagationg a re considered as randomized

    作為斷裂力學的一個新的分支,概率斷裂力學從概率和統計的角度對結構進行可靠性分析,充分考慮了破壞過程中出現的不確定因素,將影響裂紋擴展速率的各參數看作是服從某一種概率分佈的變量。
  13. The bp neural network is applied to the recognition of wear particles, and a bp neural network sorting system expected to recognize severe wear particle, cutting wear particle, normal wear particle and fatigue wear particle is designed and trained. 6. the function of the neural network ' s hidden layer is analyzed

    將神經網路應用於磨粒識別,設計磨粒分類器,在網路學習中運用改進的bp模型,識別嚴重滑動磨損磨粒、切削磨粒、正常磨損磨粒和點蝕磨粒,選取50個樣本對分類器進行訓練。
  14. The application of elastoplastic stochastic finite element method in low cycle fatigue analysis

    彈塑性有限元在低周分析中的應用
  15. Integral fatigue analysis of single - layer latticed cylindrical shells under stochastic wind loads

    風荷載下單層柱面網殼的整體分析
  16. It has shown by the uncertainty of the data of fatigue experimentation and the size deviation of machine accessory and structure component and the original defect of materials that all of the stress and intensity and the factors that affect them are stochastic variables, so we should deal with the problem of fatigue by the method of probability and statistics to making the engineering life deduced by fatigue intensity to be the reliable life under a certain probability

    試驗數據的離散性,零件和構件加工允許的尺寸偏差,材料中分佈的原始缺陷,以及受載零件危險部位應力響應的分佈特性等,都說明應力和強度以及影響它們的因素都是變量,它們有各自的分佈形式,應該用概率統計理論和方法來處理,才能使強度在工程中所確定的壽命,成為保證某一概率下的可靠壽命。
  17. In the existing literature, the material coefficients are simply considered as constants. yet the material coefficients c and n in paris formula are randomized in this study. using the least square method, the statistical correlation between c and n is obtained through the numerical value collocation

    將以往文獻中通常看作是確定性的材料系數化,通過對大量數據進行數理統計的分析,將裂紋擴展速率paris公式中材料系數c和n視為變量,採用最小二乘法對c和n進行數值擬合,從而得到二者的統計相關性表達式。
  18. Comparing experimental results with the numerical analytic results using the criterion, it is found that the criterion employs the axial deformations of bracing members as fatigue damage parameters and can be applied to real - time estimation of low - cycle fatigue damage of bracing members under a loading history - dependent random stale

    研究結果表明:本文方法以鋼支撐軸向位移為損傷參量,能實時估算在位移荷載下鋼支撐的低周累積損傷發展,並與試驗結果吻合較好。
  19. At last, an approximate method for evaluate fatigue life of structures under repeat random stress block is presented through a lot of calculation examples

    進一步分析了應力循環下結構的損傷,導出損傷演化的遞推公式,並結合大量的計算給出結構在應力塊重復循環下壽命估算的一個近似方法。
  20. The random analysis of structure under fatigue loading, the statistic finite element method ( sfem ) for fatigue reliability, random fatigue damage accumulation theory and fatigue reliability of structure system were studied in this paper with regard to the metal structure of engineering machine

    本文以工程械金屬結構為對象,探討了載荷下的結構分析、有限元計算構件可靠度的方法、隨機疲勞累積損傷理論、系統可靠性分析。主要工作有: 1
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