life-load stress 中文意思是什麼

life-load stress 解釋
活載應力
  • 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 ...
  • load : n 1 裝載,擔子;負擔;工作(負荷)量。2 (車船等的)裝載量;一馱,一車,一飛機。3 【電、機】(機...
  • stress : n 1 壓力,壓迫,緊迫,緊張。2 【語音】重音;重讀;【詩】揚音;語勢,著重點。3 重要(性),重點,...
  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. 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。
  3. ( 5 ) the thermal - stress coupled field in the barrel when machine gun firing successively is analyzed by way of fea ; the results display that the main load in the barrel is thermal stress, and thermal stress is the main reason for the reduce of the barrel ' s life - span

    對某機槍發射過程中槍管的熱? ?力耦合場進行了分析,認為在機槍射擊過程中槍管承受的主要應力是熱應力,熱應力是造成槍管壽命降低的主要原因。
  4. Statistic analysis on fatigue load effect and equivalent stress range of steel crane structures in service is carried out. the stress range distribution in whole life is deduced by the spot measurement little sample stress - time process. meanwhile the statistic analysis on the fatigue resistance process is conducted, according to fatigue data of all kinds of structural joints in domestic and overseas, which is foundation with, establish the fatigue reliability model

    2 、在大量調查的基礎上,對吊車梁所承受的疲勞荷載效應與等效等幅應力進行了統計分析,同時根據國內外有關各構造細節的疲勞資料對疲勞抗力參數進行了統計分析,為建立疲勞動態可靠性分析模式奠定基礎。
  5. Using dynamic load that applied by the simulation above, the dynamic analysis and lighten - weight optimization of spider were done. getting stress history supplied testing data for its service life analysis

    利用剛柔耦合模擬得到的動載荷對十字軸進行了動力學分析和優化減重,並提取了十字軸的應力時間歷程曲線,為十字軸的疲勞壽命分析提供了有效的試驗數據。
  6. According to the stress spectrum of weaking section in fatigue test and s - n curve of classic welding joint in this section, we establish a model of life calculating by the principle of fatigue damage equivalence, then we get the relationship between the cross sustaining device ' s actual utilizing life and the load recycle number in fatigue test

    根據疲勞薄弱部位在室內疲勞試驗中的應力譜及該部位典型接頭的s - n曲線,按照疲勞損傷等效原則建立交叉支撐裝置的壽命預測模型,得到了交叉支撐裝置實際運用壽命與室內疲勞試驗加載循環次數的關系。
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