fatigue damage 中文意思是什麼

fatigue damage 解釋
疲勞破壞
  • fatigue : n 1 疲乏，勞累；勞苦；累活。2 【機械工程】（金屬屢經打擊等后的）疲勞。3 【醫學】（組織、器官等對...
  • damage : n 1 損害，損傷；〈口語〉傷害，毀壞。2 〈口語〉費用，代價。3 〈pl 〉 【法律】 賠償損失；賠償金。vt...
  1. Secondly, the effort is made to develope new type of transition element for multi - scale fatigue damage simulaton of long - span structures for the transition between elements for the hot spot stress analysis and the structural element. the linear and piecewise linear interplotion function for displacement interplotion are used for the transition element formulation according to the displacement compatibility requirement between element interfaces

    在綜合已有的構造過渡單元模型關于位移插值形式的基礎上，通過採用分段線性位移插值模式和線性位移插值方式，並在位移模式中引入非協調位移模式，強迫構造單元通過分片試驗，構造了一種用於疏密網格單元連接過渡單元。
  2. At present carbon fiber - reinforced composite is developed to use in some aero - engine components in our country. using the numerical method and fatigue damage theory, the buckling and fatigue on the composite materials and composites case are studied for aero - engine design

    本文從實際工程背景出發，利用板殼理論和現代數值分析技術的研究成果，結合疲勞累積損傷理論，對航空發動機用的復合材料及其機匣結構的屈曲與疲勞壽命問題開展了較為系統深入的研究。
  3. Abstract : with the basic concept of damage mechanics and based on the fatigue damage equation of concrete materials, the multistage fatigue damage process of concrete materials is deeply and theoretically analyzed. accordingly the pathway of multistage fatigue damage with the characteristics of independence and continuance is provided, and the non - linearity multistage fatigue damage equation of concrete materials is inferred. the equation clearly reflects that the loading sequence has an effect on the fatigue accumulating life expectancy ; with the use of this equation the effect of overloading on the material life expectancy is analyzed

    文摘:利用損傷力學的基本概念，在砼材料疲勞損傷方程的基礎上，對砼材料的多級疲勞損傷過程進行了深入的理論分析，給出了具有獨立性和連續性的多級疲勞損傷路徑，推導出了砼材料的非線性多級疲勞損傷方程，方程明確的反映了加載次序對疲勞累積壽命的影響；利用此方程，筆者分析了超載對材料使用壽命的影響
  4. The strength of legs of a jack - up drilling platform serviced in bohai sea is evaluated and the ice - induced fatigue damage of the platform leg under different ice parameter was determined

    對渤海某自升式鉆井平臺樁腿進行了強度校核，計算出不同海冰參數下平臺樁腿的冰激疲勞損傷。
  5. Simulation of dynamic matching and fatigue damage of helical gear

    圓柱斜齒輪動態強度與疲勞損傷模擬
  6. Using fractal dimension defining damage variable and building macro and micro - fatigue damage evolution model of structure are suggested in this paper. the variety of damage which is not easy macro - measured to ti alloy tc11 whose material structure is high intensity can reflect fatigue damage process effectively by studying the relation between fracture and structure life

    本文研究表明：採用分維數定義損傷變量，建立結構的宏細觀疲勞損傷演化模型，尤其是對于tc11鈦合金這樣的高強度材料結構，損傷量變化不易宏觀測量，可以通過斷口分維數與結構壽命關系的研究，有效地反映疲勞損傷過程。
  7. Based on test result of load - deformation hysteresis curve under cyclic load, fatigue damage variable is defined from energy angle, the change rule of fatigue damage is pointed out

    通過對循環加載下裂隙試樣滯回特性和滯回能試驗結果的分析，從能量的角度定義了損傷變量，並指出了疲勞損傷的發展規律。
  8. According to fractal propagation characteristics of fatigue crack, it defines structure fatigue fractal damage variables and sets up the structure fatigue damage fractal evolution mode which macro and micro are consistent

    採用分形維數定義了結構疲勞分形損傷變量，根據疲勞裂紋的分形擴展特點，建立了宏細觀統一的結構疲勞損傷分形演化模型。
  9. According to the model of structure fatigue damage fractal evolution, the relation between macro - damage variable, fractal damage variable and fatigue life can be found, and the fatigue damage evolution equation of ti alloy tc11 welded joint can be built, and the method of more forecast fatigue damage is given

    根據結構疲勞損傷分形演化模型，通過對tc11鈦合金焊接試件的疲勞試驗和疲勞斷口分維數測量，得到了宏觀損傷變量和分形損傷變量與疲勞壽命的關系，建立了tc11鈦合金焊接接頭的疲勞損傷演化方程。給出了進一步疲勞損傷量預測的方法。
  10. At the same time, a fatigue damage evolution law based on the theory of cumulative fatigue damage is presented, using the electrical resistance of material. and the electrical resistance change is validated by the whole - bend experiments under different stress ranges

    同時通過電阻建立了基於損傷累積理論的疲勞損傷演化規律，對不同應力幅水平下的存彎疲勞實驗試樣的電阻損傷變量加以實驗驗證。
  11. The monitoring and evaluation of structural fatigue damage has become a significant problem to be studied

    結構疲勞損傷狀態的監測、評估是結構健康監測的重要課題。
  12. Thirdly, the finite element analysis full - coupled fatigue damage evolution is implemented on the basis of the user interface of the finite element software abaqus

    第三，將基於損傷力學的疲勞損傷有限元分析的全耦合過程，嵌入到商用有限元軟體包abaqus的用戶介面里。
  13. Probability fatigue is a subject that studies the fatigue damage of machine accessory and structure component by the method of probability and statistics and analyzes their fatigue intensity according to the uncertainty and distribution of their fatigue damage

    概率疲勞是用概率統計方法研究機械零件和結構構件的疲勞損傷，根據其存在的不確定性因素及分佈進行疲勞強度分析的一門學科。
  14. Study on fatigue damage of a laminated rubber composite

    橡膠層合復合材料的疲勞損傷
  15. Fourth, according to the weibull distributing functions of equivalent loads, calculated the max loads by expanded sample method, acquired eight routine loads spectrum of each roads taking advantages of the connover classification method, calculated the respective enhancement coefficient in principle of amended miner linear accumulated fatigue damage rule, by the comparative norm of general tar - paved road, educed the mathematical model of calculating enhancement coefficient of synthesized roads

    利用數理統計的方法得到了各路面的等效載荷的weibull分佈函數。第四，根據各路面的等效載荷的weibull分佈函數採用擴展樣本法求得了各路面的極值載荷，按照connover的分級法得到了各路面的八級程序載荷譜。以一般瀝青公路為比較基準，採用修正的miner線性累積損傷理論，根據前橋的s - n和p - s - n關系式得到了各路面的強化系數，建立了綜合路面的強化系數計算的數學模型。
  16. But, for the reflective cracking of asphalt pavement with half rigid base course and the cracking of the ac overlay above joints ( cracks ) in existing pcc pavement, the results of research show that the fatigue life of ac layer is mainly the life of the crack propagating stage. so the theory and method of fatigue destructive mechanics ( fatigue fracture mechanics and fatigue damage mechanics ) should be used to study and design the pavement structures instead of traditional fatigue mechanics

    而對於半剛性基層反射裂縫和舊水泥混凝土路面瀝青混凝土加鋪層接縫（裂縫）開裂，研究發現，瀝青結構層的疲勞壽命主要為裂縫擴展階段的壽命，此時不應採用傳統的疲勞力學進行研究和結構層設計，而應採用疲勞破壞力學（疲勞斷裂力學和疲勞損傷力學）理論與方法。
  17. Not all of the damages belong to the fatigue damage mode supposed by exist specifications. as the bearing capacity of a pavement structure is limited, excessive load may damage the pavement structure at one action

    這些破壞不完全是現行規范所假定的疲勞破壞模式，由於路面結構的承載能力有限，過大的軸載一次作用就可能造成路面結構的破壞。
  18. The full - coupled method developed with damage mechanics and the finite element analysis is performed on calculation of fatigue damage accumulation of the critical welded components in the tsing ma bridge

    這種偏於安全的誤差，用於結構的疲勞設計是合適的，但對于在役結構疲勞損傷累積的準確評估卻是不利的。
  19. As a new branch of destructive mechanics, fatigue damage mechanics can comprehensively represent the total process of forming fatigue cracks and the crack propagating in materials and structures

    作為一門新興的破壞力學學科分支，疲勞損傷力學能全面地反映材料和結構出現疲勞裂縫和裂縫發展過程。
  20. Firstly, one conventional model of fatigue damage and classical damage mechanics theory are used to analyze the fatigue behavior of asphalt mixture specimens in fatigue tests including direct tension, cantilever beam bending, three point bending and wheel tracking by asphalt pavement analyzer ( apa ). for every type of tests, corresponding fatigue damage model and computational method are set up

    首先直接採用一種常用的疲勞損傷演化模型和經典損傷理論，分別對直接拉伸、懸臂梁彎曲、梁式試件三點彎曲和apa往返輪載等多種疲勞試驗開展疲勞損傷分析，針對每類試驗均建立了相應的疲勞損傷模型和疲勞損傷計算方法。
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