疲勞應力理論 的英文怎麼說

中文拼音 [píláoyīnglìlǐlún]
疲勞應力理論 英文
fatigue stress theory
  • 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...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 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
  • 理論 : theory
  1. Based on the aircraft structure fatigue theory, the article discussed the theoretical basis of methods that are usually used for aircraft structure fatigue crack - forming life estimation, i. e. the stress severity factor approach ( normal stress approach ), the local stress & strain approach, detail fatigue rating approach ( dfr ). also the processes of life estimation of these approaches are studied in the article

    文章在簡要介紹飛機結構疲勞強度理論的基礎上，對目前飛機結構勞疲勞裂紋形成壽命估算常用的應力嚴重系數法（名義應力法） ，局部應力應變法，細節疲勞額定值dfr法的理論依據作了較詳細的論述，同時對這些估算方法進行壽命估算的過程與步驟也作了詳盡的闡述。
  2. 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，通過有限元計算分析，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疲勞強度，並與疲勞試驗進行了比較，理論預測與試驗基本一致。
  3. 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。
  4. Furthermore, the supposition of galvanic couple is drawn into the procedure of corrosion fatigue crack growth of aluminum alloys, the relation of couple current vs loading time is determined with electrochemical methods. a formula in the theory is deduced which expresses the stress corrosion crack growth rate of lc4cs aluminum alloy, the results of mathematical modeling preferably correspond with examination

    再將「耦合作用」的猜想，引入鋁合金的腐蝕疲勞裂紋擴展過程中，用電化學的方法測定耦合電流與加載時間的關系，並從理論上導出lc4cs鋁合金應力腐蝕裂紋擴展速率的數學表達式，數學模擬的結果與實驗值具有較好的一致性。
  5. 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 ）靠船墩的疲勞可靠度研究：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限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。
  6. Finally, the distribution discipline of the cyclic changing temperature damage factor under the conditions of low temperature through the equivalent assumption and energy equivalent model based on damage mechanics theory. the fatigue life of the 4cm depth sawed cracking road is obtained under the conditions of - 15 based on the shenyang - dalian highway. in this paper, the inhomogeniety of asphalt concrete resulting from temperature change is considered, when the influence of the temperature change on the semi - rigid asphalt pavement concrete is analyzed

    最後，基於損傷力學理論，通過等效應變假設原理和能量等價模型，得到低溫下循環變溫損傷因子的分佈規律，以沈陽?大連高速公路的預鋸縫為工浙江大學博士學位論文廣義荷載作用下道路與軟基共同作用研究王金昌2003年5月程背景，預測了4cm深的鋸縫在一巧路表變溫作用下的疲勞壽命。
  7. At the same time, a fatigue damage evolution law based on the theory of cumulative fatigue damage is presented, using the electrical resistance of material. and the electrical resistance change is validated by the whole - bend experiments under different stress ranges

    同時通過電阻建立了基於損傷累積理論的疲勞損傷演化規律，對不同應力幅水平下的存彎疲勞實驗試樣的電阻損傷變量加以實驗驗證。
  8. But, for the reflective cracking of asphalt pavement with half rigid base course and the cracking of the ac overlay above joints ( cracks ) in existing pcc pavement, the results of research show that the fatigue life of ac layer is mainly the life of the crack propagating stage. so the theory and method of fatigue destructive mechanics ( fatigue fracture mechanics and fatigue damage mechanics ) should be used to study and design the pavement structures instead of traditional fatigue mechanics

    而對於半剛性基層反射裂縫和舊水泥混凝土路面瀝青混凝土加鋪層接縫（裂縫）開裂，研究發現，瀝青結構層的疲勞壽命主要為裂縫擴展階段的壽命，此時不應採用傳統的疲勞力學進行研究和結構層設計，而應採用疲勞破壞力學（疲勞斷裂力學和疲勞損傷力學）理論與方法。
  9. There has very important practical value to study the statistic character of fatigue load on steel crane structures and of fatigue resistance on all kinds of structural joints and to analysis the fatigue reliability of structural detail, which can be used to fatigue safe control. the fatigue reliability theory and fatigue safe control applications on steel crane structures in service are studied based on the structural reliability theory in this paper. the major contents are mainly summarized as follows : 1

    研究鋼結構吊車梁承受的疲勞荷載與各種構造連接的抗力統計特性，分析構造細節的疲勞可靠性，進而對其進行疲勞安全控制，對于在役鋼結構吊車梁的鑒定與加固具有非常重要的實用價值與指導意義：本文以結構可靠度理論為基礎，對在役鋼結構吊車梁的疲勞可靠性、安全控制應用與維修加固決策進行了研究，研究的內容包括以下幾個方面。
  10. 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。
  11. Applying the theory and method of fatigue damage mechanics to the research on the fatigue cracking of asphalt pavement is conducive to reveal the mechanisms of asphalt pavement fatigue cracking and measures anti - cracking ( such as reinforcing ) and then the design method of anti - cracking can be put forward

    應用疲勞損傷力學理論與方法研究瀝青類路面疲勞破壞，有助於揭示瀝青類路面疲勞破壞機制和各類抗裂措施（如加筋）的抗裂機理，在此基礎上提出相應的抗裂設計方法。
  12. Area method and stress field intensity approach to estimate the fatigue strength of welded steel structures are presented in the paper

    本文分別建立了焊接鋼結構疲勞強度預測的面積法和應力場強法的理論。
  13. Studying the rule of geometric shape of surface crack during propagation by means of fracture mechanics theory, a predicting method of fatigue crack propagation life and it ' s numerical calculation theory are presented

    本文應用斷裂力學理論，對焊接鋼結構表面裂紋擴展過程中裂紋幾何形狀的變化規律進行了探討，提出了疲勞裂紋擴展壽命的預測方法，給出了相應的數值計算理論。
  14. In this paper, the linear accumulative damage theory commonly used for calculation of the fatigue of variable amplitude stress is used to assess the fatigue of the same part of the structure due to the two kinds of stress cycling and the assessment formulae for the fatigue of the stud welding roots in the negative moment region are also provided

    引入通常用於計算變幅應力疲勞的線性累積損傷理論，對2種應力循環引起的結構同一部位的疲勞進行評定，給出組合梁負彎矩區栓訂焊趾疲勞評定公式。
  15. Using the strain gauge to acquire data of the stress time history under current operating condition on the critical location of the vane wheel, and using the fatigue theory to evaluate its residual working life is one of the effective engineering methods on fatigue problems study

    摘要通過在葉片危險部位粘貼應變片進行數據採集以獲取其在當前運行工況下的應力時間歷程，結合疲勞理論來預估其剩餘工作壽命是工程中有效的疲勞問題研究方法。
  16. Finally, theoretical results and the fatigue test data of equal amplitude are combined, which is introduced the conception of " range of hotspot stress ", and the method of fatigue design for grid structure with bolt - sphere joints is obtained in this paper

    最後，將本文的理論研究成果與常幅疲勞試驗數據相結合，並引入「熱點應力幅」的概念，建立了螺栓球節點網架結構的疲勞驗算方法。
  17. It has shown by the uncertainty of the data of fatigue experimentation and the size deviation of machine accessory and structure component and the original defect of materials that all of the stress and intensity and the factors that affect them are stochastic variables, so we should deal with the problem of fatigue by the method of probability and statistics to making the engineering life deduced by fatigue intensity to be the reliable life under a certain probability

    疲勞試驗數據的離散性，零件和構件加工允許的尺寸偏差，材料中分佈的原始缺陷，以及受載零件危險部位應力響應的分佈特性等，都說明應力和強度以及影響它們的因素都是隨機變量，它們有各自的分佈形式，應該用概率統計理論和方法來處理，才能使疲勞強度在工程中所確定的壽命，成為保證某一概率下的可靠壽命。
  18. The opening stress and the life of crack growth is calculated and compared with the test results and the experience formula. the feasibility of the newman theory of opening stress used in the high strength steel is validated. then through the slice synthesis method, the three dimension surface crack of the weld joint of cone - cylinder is decomposed into many plane through cracks

    本文將基於裂紋閉合現象建立的帶狀屈服模型，用在平面貫穿裂紋中，計算此時的裂紋張開應力和疲勞裂紋擴展壽命，與試驗結果和經驗公式比較，驗證newman裂紋張開應力理論在高強鋼中的可行性；然後，用切片合成法，把潛艇結構凸錐柱結合殼焊縫處的三維表面裂紋分解成平面貫穿裂紋，用帶狀屈服模型的理論來分析平面貫穿裂紋，得到裂紋沿深度方向的擴展速率，進而得到潛艇結構的疲勞壽命。
  19. Derived from the elements of the continuum mechanics, the applied fatigue damage mechanics theory system of material is analyzed, and the corresponding rule of cumulative fatigue damage is built up. combined with the applied theory of fatigue damage, a damage mechanics model for high cycle fatigue is deduced

    從連續性介質力學的基本原理出發，分析了材料的應用疲勞損傷力學體系，建立了相應的損傷累積規律，並結合現有的疲勞損傷應用理論，推導出一個高周疲勞損傷力學模型。
  20. Lastly, the rule of fatigue crack appear in preexisting cracks tips is established according to the principle of maximal tensile stress using the theory fracture and damage

    最後，運用斷裂損傷理論，在最大周向拉應力理論的基礎上，建立了循環加載下預置裂隙端部疲勞裂紋的起裂準則，並用試驗結果進行了驗證。
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