fatigue curve 中文意思是什麼

fatigue curve 解釋
疲勞曲線
  • 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...
  • curve : n 1 曲線;彎曲;彎曲物。2 曲線規 (=French curve);【機械工程】曲線板;【棒球】曲線球;【統計學...
  1. For example, the pushover curve analysis has no way to consider the hysteretic energy and the energy dissipation in other ways, and to consider the material fatigue and the scathe in the structures " to - and - fro motion. the work done in this thesis is mainly as follows for trying to make better of the capacity - demand curve in existence : 1. confirm the factors those caused the discrepancy between the different capacity curves : the shape of lateral load distribution, assumption of member bars model, irregularity of the structures, p - effects

    為此,本文有針對性地開展了一些工作:闡述了基於性態的設計方法和基於位移的設計方法的相關概念及發展歷程;介紹了幾種現有的能力-需求曲線法的原理及分析步驟並剖析了它們的不足;列舉了影響能力-需求曲線法計算準確性的主要因素,通過算例比較分析它們各自的影響程度從而得出了其中最為重要的影響因素;針對已有的分析結論提出了對現有能力-需求曲線法的改進方案,通過算例分析驗證了改進效果。
  2. 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。
  3. Differential equation approximation of fatigue crack growth curve

    疲勞裂紋擴展曲線的微分方程擬合法
  4. 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。
  5. Generalized fatigue constant life curve and two - dimensional probability distribution of fatigue limit

    廣義疲勞等壽命曲線與二維疲勞極限概率分佈
  6. It shows that the damage parameter is more suitable for composite multiaxial fatigue investigation than the traditional strain versus life curve and the predicted fatigue lives have a good agreement with the tested values

    結果表明:與傳統的應力-壽命預測曲?相比較,新的疲勞損傷參量更適合於復合材料的多軸疲勞研究,計算結果與實驗結果吻合較好。
  7. 5 component fatigue life curve ( p - s - n curve ) is used in fatigue life analysis. the thesis provides fatigue life whose possibility is 95 % or 50 %. the analysis results of fatigue life and weak elements agree with fact

    本論文分析了該泵車可靠度為95和50的疲勞壽命,分析結果與泵車長期使用總結出的疲勞壽命基本吻合,且分析結果疲勞壽命薄弱部位在泵車實際工作中基本都產生過疲勞裂紋。
  8. Based on the experimental data of rotor steel 1crmov in the loading of low - cycle fatigue at high temperature, the strength behavior and the fatigue life curve of this material at 550 have been achieved. meanwhile, with respect to three kinds of notched bar, their material damage assessment method under multiaxial stress condition is discussed

    本文在1crmov材料的高溫低周疲勞實驗數據進行了整理和統計的基礎上,得到了材料的疲勞強度特性曲線和疲勞壽命曲線,同時對三種不同缺口形式的圓柱形試件進行了多軸應力狀態下的材料損傷的研究,並通過數值計算方法進行了疲勞壽命評估。
  9. These stud " can be concluded as following : on the basis of the bhw - 35 steel p - s - n curve and its da ' dn growth law the method of low - cycle fatigue life evaluation of 401 t / h boiler was proposed. and a mechanics model was suggested for calculating the stress of internal pressure suffering elbow. with the elbow fatigue test, a method of evaluation the fatigue growth life of pressure suffering elbow is recommended ; and the elementary use of damage mechanics on the fatigue life evaluation of the boiler drum

    本文創新點為:在bhw - 35鋼的p ? s ? n曲線及da / dn擴展規律的試驗研究基礎上,提出了410t / h鍋爐汽包的低周疲勞壽命分析與預測方法;建立了一種橢圓截面變厚度彎管承受內壓時的應力計算力學模型,通過壓力彎管的疲勞試驗,本文推薦其低周疲勞擴展壽命預測方法;將損傷力學應用到鍋爐汽包疲勞壽命預測做了初步的探索。
  10. With metal fatigue in material mechanics, this paper deduces the limestone fatigue curve of longmen grottoes by means of marble s one within the error permission. by the experiment elects the crucial factors of current vibration environment in longmen grottoes, the author contrasts the result of the experiment with its fatigue curve referred above and analyses the fatigue effect of longmen grottoes. finally, it is pointed out that after longmen grottoes have being suffered weathering and water - erosion more than 1500 years, the vibration environment is becoming an crucial factor leads to fatigue effect, especially in those weak surface carvings just like the crossings of several rifts, serious weathering places, etc

    借鑒材料力學中金屬疲勞破壞的研究手段,在誤差允許范圍內用大理巖疲勞曲線推導出門石窟石灰巖疲勞曲線。通過對石窟實際振動環境中典型要素的抽取和振動試驗,將試驗結果與疲勞曲線進行對比,分析了門石窟的疲勞破壞效應。文章指出,在經歷了1500多年的風化和流水溶蝕后,振動環境已成為導致門石窟某些薄弱點如多條裂隙交叉點嚴重風化酥解的壁面雕刻品等產生疲勞破壞的重要誘發因素。
  11. 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。
  12. The natural vibration spectrum curve is measured and the critical velocity to induce trashrack bar galloping is calculated. the effect of bar spacing on the bar strain and the characteristics of the exciting force are discussed. by fatigue analysis it is obtained that the service life of weld at the fixed end of the bar is about 13

    分析了發電工況和抽水工況時的振源特性,討論了柵條凈距對柵條應變的影響,按鋼結構設計規范對柵條進行了疲勞計算, 1 ~ #測點處可視為不會發生疲勞破壞, 2 ~ #測點焊接處的疲勞壽命約為13 . 6年。
  13. All experiments were completed by use of loading equipment designed by myself. this equipment has been proved to be efficient, steady and the test data are reliable. based on analysis of the 58 data and 35 domestic data, we got the s - n curve in general use, and established the design method of fatigue

    本文成功地得到了32個常幅及26個變幅試驗數據,通過與國內已有數據的回歸分析,得到了通用的s - n曲線,建立了螺栓球節點網架結構的疲勞設計方法。
  14. The relations between the dummy stress amplitude and fatigue life can be easily developed. and then, the bhw - 35 steel fatigue design curve can be obtained according with asme criterion and bs5500 criterion. compared ~ vith the design curves provided by the asme and bs5500 criterion, the curve got in this paper provides reliable direction for the fatigue design of boiler drum, which used on the altering generating power plant set

    將焊縫材料的虛擬應力幅與壽命關系,按照asme和bs5500規范的方法分析得到bhw ? 35鋼疲勞設計曲線,並與asme和bs5500規范中的設計曲線進行比較,為我國調峰機組410t / h鍋爐汽包疲勞設計提供可靠的實際依據。
  15. On the basis of finite element numerical simulation technology and s - n curve data base of welded joint, the course of fatigue test of physical prototype was simulated with computer and the fatigue life of welded structure was predicted, so as to let the development of anti - fatigue design becoming possible in the designing stage of product

    基於有限元數值模擬技術及焊接接頭s - n曲線數據庫,在計算機中模擬物理樣機的疲勞試驗過程,預測焊接結構的疲勞壽命,使產品在設計階段開展抗疲勞設計成為可能。
  16. According to the measuring result of fatigue fracture fractal dimension, it gets the relationship curve of ti alloy tc11 welded joint fracture fractal dimension with loading strain range, and the method of fatigue life forecasting fatherly. 3

    根據疲勞斷口分維數的測量結果,獲得了tc11鈦合金焊接接頭斷口分維數與其疲勞壽命的關系曲線,以及斷口分維數與最大加載應變之間的關系曲線,給出了進一步疲勞壽命預測的方法。
  17. P - s - n curve can be obtained by predicting s - n curve and adding to a few fatigue tests. these methods can be reference for engineering application

    這些方法以s - n預測曲線為基礎,只需補充少量疲勞試驗即可獲得p - s - n曲線,對工程應用有一定參考價值。
  18. Research on the generality of the pre - corrosion influence coefficient curve of fatigue life

    疲勞壽命預腐蝕影響系數曲線通用性研究
  19. In the study on fatigue, through the treatment to continuous curve, draw strength with possessing line shape relevant conclusions while being tired, meanwhile, through being tired to resume law of testing, obtain tired any characteristic and tired influence on resuming of intermission that resume, this has certain reference function on movement ' s industry ergonomy of hand

    對疲勞的研究中,通過對連續曲線的處理,得出力量與疲勞不具備線形相關的結論,同時,通過疲勞恢復測試法,得出疲勞恢復的一點特性及間歇性疲勞對恢復的影響,這對于手動作業工效學具有一定的參考作用。
  20. First of all, the whole damage field curves with toughness that selected as the fatigue damage variable was measured, then on the basis of frame of nonlinear continuum fatigue damage theory, the expressive form of fatigue damage parameter was decided by means of the tested curve data, and a new nonlinear fatigue damage cumulative model was proposed

    摘要首先以韌性為損傷變量進行全域損傷曲線測試,以非線性損傷理論框架為基礎,用測試曲線數據確定損傷變量參數表達形式,得到非線性連續疲勞損傷模型。
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