fatigue life prediction 中文意思是什麼

fatigue life prediction 解釋
疲勞壽命預測
  • 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 ...
  • prediction : n. 1. 預言，預告。2. 被預言的事物。3. 【氣象學】預測，預報。
  1. 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。
  2. 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。
  3. Accounting for creep and stress relaxation, a long - term life and low cycle fatigue life prediction method for gas turbine engine hot section is established

    摘要建立了考慮蠕變和應力鬆弛的航空發動機渦輪葉片等高溫構件的持久壽命和低循環疲勞壽命預測方法。
  4. The application of time waveform replication technology in automobile component fatigue life prediction

    時域波形再現技術在汽車零部件疲勞壽命預測中的應用
  5. The main contents of the dissertation are presented as follows : 1. more agreements will be obtained for prediction of structural fatigue life if the difference between the experimental loads and the in - service loads can be considered adequately

    全文主要研究內容與成果如下: （ 1 ）充分考慮實驗室試驗載荷與實際服役載荷的差異，將能更準確地預測結構的壽命。
  6. Fatigue life prediction of rear axle based on fem analysis

    橋殼垂直彎曲疲勞壽命的有限元分析
  7. The second part concerns about the fracture analysis of cracked metalic structures. the last part investigates the behavior of impact dents on aircraft windshield glass and their possibility to be analyzed using fracture mechanics. in chapter 1, a review is made to the resent developments of cumulative damage models and fatigue life prediction methodology of composite laminates

    本論文研究飛機結構疲勞和損傷容限分析中的若干問題，按研究的對象（材料、結構）可以大致劃分為三個組成部分：復合材料層壓結構疲勞分析，第一章第三章；金屬結構斷裂分析，第四、五章；座艙蓋玻璃撞擊損傷的斷裂分析，第六章。
  8. The oscillation of fatigue factors have much effect on small strain amplitude fatigue life, and the less the strain amplitude, the less the effect. as for notched specimen, the fatigue life prediction using fatigue factors of half - life section is the smallest

    5時，採用7 10壽命階段的疲勞特性參數預測結果與實測值的一致性更好；對于缺口疲勞試樣，則採用半壽命階段的疲勞參數的預測結果為最小。
  9. Stress analysis and fatigue life prediction of hammer rod

    錘桿沖擊應力分析與疲勞壽命估算
  10. The prediction model of coiled tubing fatigue life

    連續油管疲勞壽命預測模型的建立
  11. A method of co - simulation based fatigue life prediction was put forward to resolve the problems of parts operating mechanism analysis, such as load - time - history extracting

    摘要針對運動機構部件多軸疲勞載荷歷程提取困難等問題，提出了基於聯合模擬的疲勞壽命預測方法。
  12. Low - cycle fatigue life prediction under multiaxial non - proportional loads

    多軸非比例加載低周疲勞壽命預測方法的研究
  13. Multiaxial low cycle fatigue life prediction model based on plastic energy

    基於塑性應變能的多軸低周疲勞壽命預測模型
  14. Fatigue life prediction based on finite element and multibody dynamics co - simulation

    基於有限元和多體動力學聯合模擬的疲勞壽命預測
  15. New method for bending fatigue life prediction of gear

    齒輪彎曲疲勞壽命有限元計算方法研究
  16. Finally, two new methods of multiaxial fatigue life prediction were presented by the analysis of the stress - strain and damage parameters on multiaxial fatigue damaged critical planes

    第四，通過對多軸疲勞損傷臨界面上的應力應變及損傷參量進行分析，提出了兩個新的計算多軸缺口件的壽命估算方法。
  17. Using half - life data, the best prediction result if from the exponential dissipation model presented in this paper. the investigation of the influence of fatigue factors on fatigue life prediction shows : the prediction result from half - life data is n ' t the best one

    採用不同疲勞壽命階段獲得的疲勞特性參數對兩種狀態試樣分別進行疲勞壽命預測，結果表明：對于光滑試樣，當應變幅大於0
  18. Powder metallurgy turbine disks are worldwide adopted in most advanced aeroengine nowadays. the research of engineering application of them is actively being carried out in our country, and the key problem urgently needed to solve is their low cycle fatigue life prediction. the low cycle fatigue failure of powder metallurgy turbine disks is mainly caused by inclusions, so it ' s important to study the effect of inclusion on the stress intensity factors ( sif ) initiation and development of crack in powder metallurgy turbine disks

    當前世界上大多數先進航空發動機均採用了粉末冶金渦輪盤，我國目前正在積極開展粉末冶金渦輪盤的工程應用研究，其低周疲勞壽命預測成了亟待解決的關鍵問題，夾雜物是引起其低周疲勞失效的主要原因，因此開展夾雜物對粉末冶金渦輪盤應力強度因子及裂紋萌生與擴展的影響具有重要意義。
  19. Element failure model in series for fatigue life prediction of composite laminates

    復合材料層合板疲勞壽命分析的系列單元失效模型
  20. Fatigue life prediction of typical welded joint of submarine structure with surface crack

    帶初始裂紋的潛艇典型焊接節點試件疲勞壽命分析
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