疲勞限度 的英文怎麼說

中文拼音 [láoxiàn]
疲勞限度 英文
fatigue allowance
  • : 形容詞(疲乏; 勞累) tired; weary; exhausted
  • : 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...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 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
  • 限度 : limit; limitation; measure; tether
  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、垂直彎曲強和垂直彎曲壽命的條件下,實現了沖焊橋殼的輕量化設計。
  2. In this paper, a high performance sma system applied to steel bridge deck is put forth in allusion to the pavement project of the wuhan junshan yangtze river highway bridge. it comprises steel slab, zn coating layer, closing layer, adhesive, pre - mixed asphalt stone and dual layer sma from bottom to top. it is based on the fea results of the forces and deformation of the pavement layer by means of the algor feas, according to this bridge ' s traffic and the ambient temperature varying range of the pavement layer

    本文針對武漢軍山長江公路大橋鋼箱梁橋面鋪裝工程,從鋪裝層環境溫變化范圍、交通量等使用條件出發,在用algorfeas有元分析軟體分析鋪裝層受力變形基礎上,提出了(即鋼板+金屬鋅塗層+封閉層+粘接劑+預拌瀝青碎石+雙層sma )的高性能鋼橋面sma鋪裝體系,並對這種sma的組成材料,包括改性瀝青、集料、礦粉、纖維進行了比較研究,設計了這種sma的配合比,對sma混合料的性能進行了對比試驗,對這種sma方案進行了性能研究,驗證了所選擇sma方案的可行性。
  3. By means of area method and stress field intensity approach and computational analysis of finite element, the fatigue strength of misaligned welded joint, " t " type of plate welded joint and cruciform joint are estimated. estimations are consistent with fatigue testes

    利用面積法和應力場強法,通過有元計算分析,預測了錯位板接頭、 t型板接頭和十字型板接頭在對稱循環和非對稱循環時的,並與試驗進行了比較,理論預測與試驗基本一致。
  4. 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

    我們使用有元分析法,通過建模,計算轉子溫場、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。
  5. Flame tube in aircraft engine undergoes high temperature and high speed airflow washing. a hypothesis was suggested, which takes the transient heat transferring as the main reason to the cracking and damage on flame tube. finite element method was adopted to simulate the thermal fatigue and the hypothesis was reproduced

    發動機火焰筒的熱損傷是導致火焰筒失效的主要原因,本文提出了一種火焰筒熱損傷假設,認為火焰筒熱損傷不是由於發動機的運行和停車時冷熱溫循環造成的,而是發動機啟動時瞬態溫傳導過程中材料循環塑性變形的結果,利用該假設結合有元計算模擬了火焰筒產生損傷的原因。
  6. This paper analyses the engineering feasibility of using the static fem in the fatigue strength design of the shipunloaders structure through discussing the difference of infinite fatigue life design and finite fatigue life design and puts forward the calculating work cycle of this structure after considering the shipunloaders work process. it is useful for crane design - engineer to introduce the general fatigue strength design processes of the shipunloaders

    分析了有壽命設計和無壽命設計的異同,研究了用靜力學的有元法進行結構的設計的技術可行性問題;並結合裝卸橋的工作過程,提出了相應的計算工作循環;介紹了裝卸橋設計的一般步驟
  7. Statistical characteristic of fatigue strength of contact wires was obtained by comprehensively considering such coefficients as stress concentration, size and surface quality

    綜合考慮了接觸線應力集中系數、尺寸系數、表面質量系數和材料的影響,得到了接觸線的統計特徵。
  8. 3. the crane load and fatigue strength are regarded as stochastic process, the fatigue dynamic reliability based on limit stress model and fatigue dynamic reliability based on accumulation damage model are established on the base of statistic analysis the fatigue load and resistance

    3 、在對荷載與抗力統計分析的基礎上,視吊車荷載與為隨機過程,建立了基於極應力模式的動態可靠性分析模型及基於累積損傷模型的動態可靠性分析模型。
  9. On the foundation of analysis a quantity of experiments and theory home and abroad, the paper give a calculation formula for the cross - section anti - bending limit load capacity of reinforced concrete beam. at the same time, the paper discusses the establishment of fatigue load chart for the bridge structure and presents its calculation of stress chart

    2 、在分析國內外大量試驗研究和理論分析的基礎上,給出了碳纖維布加固鋼筋混凝土梁正截面抗彎極承載力的計算公式,詳細闡述了等幅荷載和變幅荷載下橋梁結構的計算方法。
  10. The fatigue properties of sucker sods are predicted by its static properties with fatigue strength theory and cumulative damage theory according to the measurement result of conventional mechanical properties of sucker sods with different service periods

    摘要應用理論和累積損傷理論,利用對使用不同年抽油桿的常規機械性能的測試結果,由抽油桿的靜特性去推測其特性。
  11. A kind of new way for surface rolling processing of stainless steel rod has been put forward, thus made an enhancement on the mechanical properties of surface hardness and fatigue strength of steel rod after rolling and solved the difficult problem on the processing length of steel rod being limited by the bed length of machine tool in the traditional processing method

    摘要提出一種新的不銹鋼棒表面滾壓加工方式,使得滾壓后鋼棒的表面硬等機械性能得到提高,解決了傳統加工方式中鋼棒加工長受機床床身制這一難題。
  12. In this dissertation, in allusion to the limit that the domestic analysis and studies of the body structure only concentrate on the static bend, torsion and some extreme conditions in nowadays and the studies on transient analysis of the whole vehicle that contains the suspension model, tire model and the road model are few, the applications of the fem on the analysis of the car body structure are studied. and in this dissertation the method of building connecting means models, the dynamic response of the body, the fatigue analysis of the body and the reforming measures of the body are deeply discusses

    本論文針對目前國內車身結構分析的研究只於對車身或車架結構在靜態扭轉、彎曲載荷以及幾種極工況載荷作用等幾種情況的研究,對含有懸架、輪胎以及路面模型的整車瞬態響應分析的研究較少的實際情況,對有元方法在汽車結構分析中的應用作了些研究工作,尤其是在車身連接件處理、車身動態響應、車身分析、車身結構改進方案等方面進行了較深入的探索。
  13. The using rules about the fatigue strength in " design and calculation standard for submarine structure " is worked out according to the standard that the ultimate time of submergence is less than 500

    現行的「潛艇結構設計計算規則」中關于的設計,是按照極下潛次數不超過500次的標準進行校核。
  14. The large - scale and general finite element software - ansys is employed to analyse the frame of locomotive in speed of 200km / h by fea. according to the analytical results, the static stress and fatigue stress of frame are checked in the light of current criterions. at the same time, the mode analysis of frame is made and the results are analysed

    本文利用大型通用有元軟體ansys對200km / h轉向架構架進行了有元分析,分析結果參照我國的現行標準對構架的靜強進行評定,同時,對構架進行模態分析,研究並評定了模態分析的結果。
  15. This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value

    本文以周口地區瀝青路面為研究對象,以現行《公路瀝青路面設計規范》為依據,從路面使用性能和交通特徵的調查入手,從特性和極出發分析了路面早期破損的原因,全面系統地進行了交通參數的分析,提出了當量軸次增長率、季節修正系數和超載系數的概念和方法,並提出了重載交通的軸載換算方法。在此基礎上,針對超載、重載交通從結構組合設計、結構厚計算(包括標準和極標準)等方面提出了適宜的瀝青路面結構設計方法,並結合工程實測,說明了結構層厚計算的具體步驟,最後通過試驗路驗證本文提出的設計方法。理論與實踐均表明,本文提出的路面結構型式合理、設計方法可靠,能適應目前重載、超載交通的狀況,具有較高理論與實用價值。
  16. The four parameters ( spring inclination a, the frequency of excitation force w, the amplitude of excitation force f, the spring stiffness k ) are the major factors that take great influences on the vibration plate. in order to analyzing the influences of four parameters, the virtual prototype of vibration plate is built in ansys to get inherent frequency from modal analysis. thorough transient analysis in ansys, the curves of displacement n velocity and acceleration is presented

    為了分析這四個參數對系統的影響,首先在ansys中建立振動排秧盤的虛擬模型,採用有元方法對模型進行了模態分析,得到振動排秧機構的固有頻率;同時對模型進行動力學分析,分析排秧盤的振動量、速及加速,並得出相應數據的曲線圖;另外,校核了主要元件彈簧的及使用壽命。
  17. Abstract : presents the model established for calculation of reliability of connecting rod fatigue strength, and stress analysis made with the connecting rod body of diesel engine, and the reliability calculations made with the connecting rod of 6200zcl diesel as an example for infinite life, and concludes that this method also suits other components with infinite life

    文摘:連桿的主要破壞形式是破壞,破壞是連桿按強失效的主要故障模式.本文根據機構可靠性的基本原理,建立了連桿可靠性的計算模型.對直列式柴油機連桿桿身進行了應力分析,並結合6200zcl型柴油機連桿的具體實例,進行了無壽命下的可靠性計算,所得結果與實際工程情況相符.闡明了所提供方法的具體應用,這種方法對其它壽命很長的機構構件同樣適用
  18. With the developing highway communications, the traffic is increasing and axle is becoming heavier and heavier, all of these demand the high quality of cement concrete pavement the experience of past ten years in highway construction shows that the practical life time of cement concrete pavement is far more shorter than anticipated. damages such as cracking are offen occurred in first serval years they caused direct and indirect economic losses and bad social influences. in addition to control overloaded vehicles by means of administration, the compressive strength, bending strength wear - ability should be improved to solve all these problems

    十幾年的高等級公路建設實踐表明,水泥路面的使用壽命遠遠小於其設計壽命,往往在通車幾年後就出現一些病害,如坑槽、斷板等病害,帶來的直接、間接經濟損失和不良的社會影響。解決這些問題,除了運用行政強制手段控制超載車輛外,必須提高水泥混凝土的彎拉強、耐磨強、阻裂縮能力,從而提高水泥混凝土路面的使用壽命。
  19. An application of finite element method on bending fatigue strength calculation of the teeth of a standard straight spur gear

    元法在標準直齒圓柱齒輪輪齒彎曲計算中的應用
  20. The allowable strength, static strength, fatigue life and load - carrying capability of hydro - bulged rear axle housing in a 0. 75 t truck are analyzed using fea software ansys and the variation rule of its strength is obtained

    摘要以0 . 75t貨車液壓脹形橋殼為例,利用有元分析軟體ansys對其許用強、靜強(壽命)及其承載能力進行分析,得到液壓脹形橋殼強的變化規律。
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