疲勞壽命預測 的英文怎麼說
中文拼音 [píláoshòumìngyùcè]
疲勞壽命預測
英文
fatigue life prediction- 疲 : 形容詞(疲乏; 勞累) tired; weary; exhausted
- 勞 : Ⅰ動詞1 (勞動) work; labour 2 (煩勞) put sb to the trouble of; trouble sb with sth : 勞您費心...
- 預 : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 疲勞 : 1. (疲乏勞累) tired; fatigued; weary; become fagged 2. (機能或反應能力減弱) fatigue; strain 3. [物理學] fatigue
- 預測 : calculate; forecast; prognosis; divine; forecasting; foreshadowing; predetermination
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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。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。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, analyzing the stress field of the aero - engine case under the given loads, the fatigue life of the case is predicted through the presented fatigue model and the method of " nominal stress "
用該模型對孔徑為5mm層合板的s ? n曲線進行疲勞壽命預測及試驗驗證。 3 、首次對某型發動機t300 kh - 304復合材料機匣的主鋪層在給定工況下的疲勞壽命進行預測。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。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。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。Prediction for intermediate and high cycle fatigue lifetime of notched metallic plates
含缺口金屬構件的中高周疲勞壽命預測In this paper, the theory and method of fatigue damage mechanics are adopted to study the fatigue damage behavior of asphalt mixture and the fatigue failure of asphalt pavement and predict the fatigue life of ac overlay on existed pcc pavement
本文應用疲勞損傷力學理論與方法對瀝青混合料的疲勞損傷特性、瀝青類路面疲勞破壞以及舊水泥混凝土路面瀝青混凝土疲勞壽命預測進行了系統的研究。In this research, fatigue life of laminate composite is predicted phenomenologically, dealing mainly with in - plane stresses without accounting for out - of - plane failures such as delamination. fatigue modulus is used as a physical parameter which helps to describe the basic fatigue behaviour of unidirectional laminates and obtain expressions for cumulative damages defined by strains. based on some typical fatigue test data for unidirectional composite laminates, a cumulative fatigue damage model is presented for predicting the fatigue life of multidirectional laminates with arbitrary stacking sequence under complicated fatigue loadings
本文以碳纖維/樹脂基t300 / qy8911層壓結構為研究對象,從唯象的觀點出發,以疲勞模量為參量構造損傷函數,基於幾組最典型的單向板疲勞試驗數據,建立單向板在多軸循環應力作用下的疲勞壽命模型,並以此為基礎,發展同種材料體系的任意鋪層形式的多向層壓板在復雜循環載荷作用下的疲勞壽命預測方法。The above research results of theory and test make a contribution to the study on the thermal damage of the piston
上述試驗和理論研究結果將為活塞熱損傷的研究打下良好的基礎,同時也為探索活塞熱疲勞壽命預測提供了理論和試驗手段。The prediction model of coiled tubing fatigue life
連續油管疲勞壽命預測模型的建立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。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At the same time, the approach proposed in this thesis is compared with existed approaches to estimate fatigue life, and the result shows its unique advantages
本文還與現有的疲勞壽命預測方法進行了橫向比較,說明其有獨到的優點。For multiaxial life prediction, the critical plane approach is better than that of others, however, the accuracy of life prediction is deeply influenced by the results of stress - strain analysis
在多軸疲勞壽命預測的問題上臨界平面法是一種比較好的方法,而影響臨界平面法預測結果精確度的主要因素是所進行的應力應變分析。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分享友人