cumulative fatigue damage 中文意思是什麼

cumulative fatigue damage 解釋
積累疲勞損傷
  • cumulative : adj. 1. 累積的，蓄積的；漸增的；累加的，附加的。2. 【法律】（證據等與同一事實）相重的；（判刑等）加重的。
  • 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...
  • damage : n 1 損害，損傷；〈口語〉傷害，毀壞。2 〈口語〉費用，代價。3 〈pl 〉 【法律】 賠償損失；賠償金。vt...
  1. 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。
  2. Based on the concept of a modified fatigue modulus, a cumulative strain damage model, which is able to consider the influence of in - plane multi - axial stresses and mean stress to the fatigue behavior of unidirectional laminates, is proposed

    論文各章的主要工作有： （ 1 ）以疲勞模量概念為基礎，建立累積應變損傷模型。
  3. 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

    摘要應用疲勞強度理論和累積損傷理論，利用對使用不同年限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疲勞特性。
  4. 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。
  5. The second part concerns about the fracture analysis of cracked metalic structures. the last part investigates the behavior of impact dents on aircraft windshield glass and their possibility to be analyzed using fracture mechanics. in chapter 1, a review is made to the resent developments of cumulative damage models and fatigue life prediction methodology of composite laminates

    本論文研究飛機結構疲勞和損傷容限分析中的若干問題，按研究的對象（材料、結構）可以大致劃分為三個組成部分：復合材料層壓結構疲勞分析，第一章第三章；金屬結構斷裂分析，第四、五章；座艙蓋玻璃撞擊損傷的斷裂分析，第六章。
  6. 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。
  7. Fatigue life gage is a sensor of cumulative cyclic loading response, which mechanical properties is applicable to fatigue damage monitoring in the extreme

    疲勞壽命計是循環載荷累積響應傳感器，其獨特的力學特性非常適合於疲勞損傷檢測。
  8. The cumulative damage modes and their distribution regions on 7t / 4 quasi - isotropic laminates were reasonably simulated and the predicted fatigue lives agree well with the test results. residual strength evaluation is playing a significant role in damage tolerance analysis of structures. chapter 4 describes a simple procedure for the evaluation of residual strength of metallic structures with cracks developed b

    提出按剩餘西北工業大學博士學位論文:飛機結構疲勞和斷裂分析中若干問題的研究強度等效和按疲勞壽命等效兩種途徑將撞擊損傷當量化為表面裂紋，並根據有限的試驗結果進行了嘗試，得到了一些初步結果。
  9. The fatigue life gage is a perfect sensor in monitoring cumulative fatigue damage. the characteristic of fatigue life gage is studied and the fatigue response model is proposed, substantive progress in the application of the sensor

    疲勞壽命計是結構累積損傷監測的理想傳感元件，本文對疲勞壽命計的響應特性進行了深入的研究，為該元件的實際應用邁出了實質性的一步。
  10. 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。
  11. Strength decreasing analysis of metal fatigue cumulative damage

    金屬材料疲勞累積損傷引起的強度衰減分析
  12. Long - span bridges service under long - term transportation loads, strength degradation of structure materials because of fatigue cumulative damage is key factor of durability

    大型鋼橋是在交通載荷作用下長期工作的，疲勞累積損傷引起結構材料強度逐漸退化，成為大型鋼橋耐久性的關鍵因素。
  13. In chapter 3, the above cumulative damage model, together with finite element stress analysis, was used to evaluate the fatigue lives of multidirectional laminates under cyclic shear loadings

    考慮型材上含裂紋板條以外的其餘部分的彎曲剛度對含裂紋板條的作用，形成改進的準三維模型，並編制出相應的有限元分析程序。
  14. Fatigue damage cumulative model of concrete based on artificial neural network

    混凝土疲勞損傷累積神經網路模型
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