fatigue life 中文意思是什麼

fatigue life 解釋
披勞壽命
  • 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...
  • life : n （pl lives）1 生命，性命。2 一生；壽命；【原子能】（亞原子粒子的）生命期；使用期限，耐久性。3 ...
  1. By means of carrying out parameterization on finite element model of certain punching - welding bridge housing and through optimization analysis, this paper realized the light weighted optimization design of punching - welding bridge housing under the conditions of letting the bridge housing to satisfy the demands of perpendicular bending rigidity, the perpendicular bending strength and the perpendicular bending fatigue life

    摘要通過對某沖焊橋殼的有限元模型進行參數化，經過優化分析，使得橋殼在滿足垂直彎曲剛度、垂直彎曲強度和垂直彎曲疲勞壽命的條件下，實現了沖焊橋殼的輕量化設計。
  2. Abstract : the factors to influence fatigue life of chain plate areconcluded by experimental methods. the factors to prolong life of chain plate are analyzed by theoretical methods. the maximum value of crushing hole in 16a roller chain plate is calculated by finite element method

    文摘:用試驗方法確定了擠孔對鏈板疲勞壽命的影響，從理論上分析了在最佳擠孔量下，鏈板疲勞壽命提高的因素，用有限元法計算了16a鏈板的最佳擠孔量，並與試驗結果進行了比較。
  3. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法；利用ug軟體對燕尾榫聯接結構創建了參數化實體模型；基於ansys軟體平臺求解彈性接觸問題，獲得了榫聯接結構接觸應力及接觸狀態量的分佈；在已有微動疲勞壽命預測模型的基礎上，引入載荷頻率影響因子，對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測，與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。
  4. The active vibration control aimed at aircraft empennage has huge practical values in the aspects of adding the fatigue life of vertical tail, increasing the capability and availability of the aircraft, reducing the through - life - support costs and so on

    飛行器垂直尾翼的振動主動控制對于提高尾翼的疲勞壽命、飛行器的機動性以及減小飛行器的維護成本具有較大的實際意義。
  5. Empirical distribution function of fatigue life based on harmonic mean

    基於調和均值的疲勞壽命經驗分佈函數
  6. Analysis to the probability distribution of leaf spring fatigue life

    鋼板彈簧疲勞壽命概率分佈分析
  7. For rotor steel ( 30crlmolv steel ), the tests of low - cycle fatigue property are done under different temperatures. the fatigue life under different temperatures is researched to make up for the defects of the testing for foreign similar materials. when pull - stretch data is attempted to evaluate low - cycle fatigue data, the result shows that four - point associated method in middle - low life zone is done well under room temperature, but there are large errors of four - point associated method and general - slope method under other temperatures

    在本文中，通過與國外同類材料的性能進行比較，國產材料與國外材料共有的材料特徵基本相同；對轉子鋼（ 30crlmolv鋼）進行了不同溫度下的低周疲勞性能實驗，研究其在不同溫度下疲勞壽命，以彌補國外對同類鋼材測試的不足；採用拉伸數據預測低周疲勞壽命時發現，室溫條件下用四點關聯法在中低壽命區預測較好，在高溫條件下四點關聯法和通用斜率法都有較大誤差，需要進行改進。
  8. Moreover, base on lots of test data, fatigue life estimation is finished by help of miner, opposite miner rule and fracture mechanics theory. theoretic results and test data are well fit to each other

    另外，本文在大量試驗數據的基礎上，依據miner法則、相對minar法則以及斷裂力學理論，對40cr高強螺栓的疲勞壽命估算進行了系統研究，理論分析結果與試驗值的規律性吻合較好。
  9. The result was shown that the program runs quickly and in reliability, it can replace the nomograph method and use easily for predicating sonic fatigue life of aircraft skin - panel structure

    通過已有的算例進行驗證，結果表明計算迅速可靠，可以代替以列線圖為主要手段的求解方法，廣泛的應用於工程領域。
  10. In second part, a complete design and implement platform was constructed for sonic fatigue life analysis with the oriented - object programming design technique, as a replacement of nomograph method

    在本文的後半部分，為了代替目前常用的列線圖求解聲疲勞響應方法，著重運用面向對象程序設計技術，完成聲疲勞壽命預測及分析平臺的設計和實現。
  11. Being deficient in sonic fatigue testing and owing to the limitations of nomograph method application to the sonic fatigue life prediction, an analysis software program was designed and worked out in present thesis, based on the research achievement in prediction of sonic fatigue life, which strong function, easy use and great extensive capabilities

    本文針對現階段聲疲勞試驗的不足，以及工程中常用的諾謨圖方法的局限，整理了目前比較成熟的典型蒙皮壁板聲疲勞壽命研究成果，提出設計並編制了一套功能強、易於使用，可擴展性好的聲疲勞壽命預測及分析平臺。
  12. Roller bearings, load ratings and fatigue life for

    滾柱軸承額定載荷和疲勞壽命
  13. Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles

    其次，採用成組試驗法，對汽車前橋進行了疲勞壽命試驗，藉助概率統計方法對試驗結果進行了分析計算，得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差，採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合，得到了前橋的s - n和p - s - n的關系。
  14. Study on the fatigue life of the tunnel bed structure under train loads

    列車荷載作用下隧道鋪底結構疲勞壽命分析
  15. A new prestressed bowshaped structure strain multiplier was designed to solve problem which strain amplitude is much lower than the threshold of fatigue life gage, and this strain multiplier take the advantages of entire structure, lower stiffness, good reliability and convenience to use

    設計出一種弓形預應力結構應變倍增器，解決了橋梁應變幅值遠遠低於疲勞壽命計門檻值這一關鍵問題，此倍增器具有整體性強、剛度低、可靠性好、使用方便等優點。
  16. Abstract : the effect of different carburizing programs on the microstructure and thick of carburized layer of screw bevel gears has been studied, meanwhile the fatigue life of these gears has also tested

    文摘:本文研究了不同滲碳淬火工藝對螺傘齒輪組織及滲層深度等影響，並對螺傘齒輪進行了臺架疲勞測試。
  17. It is shown from results that increasing carburizing time further in the normal technology can not obviously deep the carburizing layer, but can cause nonmartensite microstructure at the bottom of the gear and coarse grain across the gear, these will heavily decrease the fatigue life of the gear

    結果表明：在正常滲碳淬火工藝基礎上再延長滲碳淬火1小時，齒輪滲碳層深度變化不大，但其齒根局部表面處有非馬組織，且晶粒尺寸易產生異常長大現象，從而致使臺架疲勞壽命明顯下降。
  18. The tested results showed that the collecting ring could be used for the dynamic stress test successfully and the experimental data would be used for determining load spectrum and analyzing fatigue life of spoke plate

    結果表明，動態測試過程穩定，所設計和製造的集流環完全滿足試驗要求，測試數據可以用於結構載荷譜的編制和疲勞壽命分析。
  19. We use the method of finite element analysis to find the most dangerous section of the rotator. through setting up a model of rotator, calculating the temperature and stress field of rotator, we get the section. then we supervise the section online, calculate the practical fatigue life loss and creep life loss

    我們使用有限元分析法，通過建模，計算轉子溫度場、應力場，得到最危險截面，然後對危險截面進行在線監測，計算實際運行中的疲勞壽命損耗和蠕變壽命損耗，為安全經濟運行提供有效監控手段。
  20. The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical

    對已有的材料力學疲勞性能試驗曲線進行分析整理，利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線，利用這三種無量綱參數曲線發現了其中存在的規律性，即在某種程度上實驗曲線可以互相取代，並用試驗數據對此進行了討論，並由此推斷，如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用，這是一種估算材料的疲勞壽命的簡便方法，對工程而言具有實用性。
分享友人
分享到 Line

分享到臉書