疲勞限 的英文怎麼說

中文拼音 [láoxiàn]
疲勞限 英文
fatigue limit
  • : 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
  • 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
  1. Finite element analysis of aerofoil fatigue failure

    飛機機翼斷裂過程的有元分析
  2. 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度、垂直彎曲強度和垂直彎曲壽命的條件下,實現了沖焊橋殼的輕量化設計。
  3. Abstract : the factors to influence fatigue life of chain plate areconcluded by experimental methods. the factors to prolong life of chain plate are analyzed by theoretical methods. the maximum value of crushing hole in 16a roller chain plate is calculated by finite element method

    文摘:用試驗方法確定了擠孔對鏈板壽命的影響,從理論上分析了在最佳擠孔量下,鏈板壽命提高的因素,用有元法計算了16a鏈板的最佳擠孔量,並與試驗結果進行了比較。
  4. Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值
  5. Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值
  6. Corrosion endurance limit

    腐蝕
  7. Calculation of load capacity of cylindrical gears ; endurance limits and material qualities

    圓柱齒輪承載能力計算.和材料質量
  8. 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

    本文針對現階段聲試驗的不足,以及工程中常用的諾謨圖方法的局,整理了目前比較成熟的典型蒙皮壁板聲壽命研究成果,提出設計並編制了一套功能強、易於使用,可擴展性好的聲壽命預測及分析平臺。
  9. 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,從鋪裝層環境溫度變化范圍、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。
  10. 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強度,並與試驗進行了比較,理論預測與試驗基本一致。
  11. 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,計算轉子溫度場、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。
  12. The first stage is primary slip then followed by secondary slip ; the last stage is due to dislocation passing the slips. the cyclic stress strain ( css ) curve exhibits a stronger hardening occurred in cyclic plastic deformation than that in tensile test

    建立了拉伸和應變的有元模型,使用基於晶體滑移模型的數值方法,對晶體內部滑移系的啟動以及滑移繫上的分解切應變、切應力這些無法試驗觀測的變量進行計算,分析它們對晶體塑性變形的不同影響。
  13. With the development of space exploration projects, the atrophy and decreased function in antigravity skeletal muscles are one of major problems that need to be solved for the prolonged space flight. to understand the features of decreased contractile function and increased fatigability in unloaded hindlimb skeletal muscles will help to develop effective countermeasures during space flight, and contribute to the prevention and treatment of skeletal muscle atrophy in long - term bed - rest patients

    隨著載人航天活動的發展,航天飛行時間越來越長,抗重力肌廢用性萎縮引起的強直收縮性增加,使航天員運動易的感覺更加明顯,制了飛行時間和工作效率,在應急逃生時肌肉發生損傷的可能性增大,且影響返回地面重力環境后的再適應能力。
  14. 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度循環造成的,而是發動機啟動時瞬態溫度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。
  15. In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method

    本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣,進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周總壽命試驗及裂紋擴展壽命試驗,並利用有元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析,來評價材料不同條件下的高溫低周總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料高溫低周總壽命和裂紋擴展壽命評價方程。
  16. Generalized fatigue constant life curve and two - dimensional probability distribution of fatigue limit

    廣義等壽命曲線與二維概率分佈
  17. Reliability assessment of xi - luo - du underground water - power plant : the results have been used by the cheng - du surveying, design and research institute for the preliminary design ; ( 2 ) the stress and strain analysis for the xiao - guan - zi sluice and its foundation : the report has been applied for the reinforcement of the foundation ; ( 3 ) the thermal control procedure for the no. 7 - 14 power plant dam segments of the three gorge project : the research report provides the effective and efficient methods for the controlling of the temperature field in the mass concrete structure ; ( 4 ) the software system development for the long - term monitoring for dikes : the software can automatically give the results of the seepage field and the probability of soil piping of dikes and underground ; ( 5 ) reliability assessment of xiang - jia - ba underground water - power plant : the results have been used by the zhong - nan surveying, design and research institute for the preliminary design ; ( 6 ) fatigue reliability estimation of shipping berthing pillar : the results give the optimized design scheme and prediction of the structural age ; ( 7 ) 3 - d static and dynamic stochastic finite element analysis for the strength, stability and thermal control problem for xi - luo - du project

    溪洛渡水電站超大型地下洞室群圍巖穩定的安全可靠性分析:被成都勘測設計研究院應用於比選報告及可行性論證中; ( 2 )小關子水電站攔河閘壩及地基的應力應變分析:被成都勘測設計研究院應用於地基加固處理方案; ( 3 )三峽廠房7 # - 14 #壩段溫控並縫措施研究:為廠房壩段並縫方案的可行性提供了依據; ( 4 )堤防工程體系的長期監控預報預警決策系統開發:為監控、預測預報堤防滲漏管涌破壞提供分析軟體; ( 5 )向家壩地下洞室群圍巖穩定的安全可靠性分析:被中南勘測設計研究院應用於初步設計方案中; ( 6 )靠船墩的可靠度研究:為廣東航運規劃設計院的靠船墩優化設計和加固提供依據; ( 7 )溪洛渡高拱壩壩體壩基(壩肩)強度和穩定的三維靜動力隨機有元分析及可靠度計算:為溪洛渡重大工程壩體的靜動力安全穩定性及溫控方案提供依據。
  18. 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強度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
  19. Much depended upon the handful of pilots who rose day after day and night after night to meet the flocks of nazi bombers. the pilots in the raf reached the limits of exhaustion and then went beyond those limits, still fighting

    (戰斗)主要依靠的是一幫夜以繼日迎接納粹轟炸機的飛行員,這些英國皇家空軍極度,但他們挑戰身體極,堅持戰斗。
  20. It achieves full test automation from calibrating, running, failure diagnosis and data processing, which establish it an intelligent test system. in the software, a curve fitting program which based on the system ' s principle which can greatly improve the calibration precision and a safl mathematical statistics program for the test data are made

    在試驗系統軟體設計上,結合試驗機原理,採用基於原型函數的動態標定數據曲線擬合提高了載荷標定的精度;通過對比各種曲軸試驗數據的處理方法,同時考慮在實際運用中的效果,計算機統計採用了統計分析( safl )法。
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