cumulative damage 中文意思是什麼

cumulative damage 解釋
累積損壞
  • 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。
  • 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. Influences of initial damage on development of spalling damage have been indicated by analyzing the distribution of void number density, the cumulative percentage of void volume and the volume fraction of the different - seize voids

    通過分析孔洞數密度分佈、孔洞體積累積百分比、不同大小孔洞所佔體積份額的計算結果,指出初始損傷對損傷演化有直接影響。
  2. The law of cumulative damage and its evolution equation of concrete under uniaxial tension with constant amplitude is established, and the validity of which is verified by the test results of variable amplitude loading

    定義了損傷變量,得到了損傷積累和演化規律。建立了疲勞損傷模型,並用變幅疲勞試驗結果驗證了模型的有效性。
  3. 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。
  4. Skeletal muscle loss occurs with age in all mammals and probably results from a cumulative failure to repair damage caused by normal use

    骨骼肌隨年齡增加而衰退的現象,在所有的哺乳類動物身上都會發生,可能是肌肉正常使用時的損傷沒有修復,日積月累的結果。
  5. 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。
  6. When the degradation process is composite one of discrete and continuous damage cumulative processes, a degradation failure analytical model is presented based on diffusion process

    基於以上模型分別對強激光裝置中通光鏡片和脈沖氙燈進行了可靠性評估,以說明該方法的工程實用性和有效性。
  7. Are uncertain and should be regarded as random variables, therefore the reinforced concrete frame is stochastic structure inherently, and then its motive equations converted to combined random differential equations for the uncertain parameters and external random excitation. these equations were solved by order - orthogonal expansion method with pseudo - excitation method, and then the statistic stochastic responses of random structure were obtained. at last, based on the stochastic cumulative damage model with double parameters developed by park, formulas were formulated for calculating structural earthquake damage probability using the structural reliability theory ( mainly jc algorithm ) in extensive random space

    首先對受地震激勵的剪切型鋼筋混凝土結構進行建模,用隨機等效線性化方法將二階非線性微分方程組化成一階線性微分方程組(或稱之為狀態方程) ;再考慮材料等參數的隨機性,則狀態方程成為復合隨機微分方程組,將擴階系統方法和虛擬激勵方法推廣並應用於這個復合隨機微分方程組,求出結構的隨機響應量的統計參數;最後採用隨機累積損傷破壞準則,在廣義隨機空間內,用jc演算法求解失效概率,進而求出結構的抗震可靠度。
  8. 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。
  9. 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。
  10. 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。
  11. 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。
  12. Theory of cumulative damage in fatique

    累積疲勞損傷原理
  13. 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
  14. Cumulative damage theory

    累積損傷理論
  15. Plastics pipes for the conveyance of fluids under pressure. miner ' s rule. calculation method for cumulative damage

    壓力下流體運輸用塑料管. miner法則.累積損傷計算方法
  16. Plastics pipes for the conveyance of fluids under pressure - miner ' s rule - calculation method for cumulative damage

    流體輸送用壓力塑料管. miner規則.累積損壞的計算方法
  17. Plastics pipes for the conveyance of fluids under pressure - miner ' s rule - calculation method for cumulative damage iso 13760 : 1998 ; german version en iso 13760 : 1998

    壓力下液體輸送用塑料管. miner法則.累積損壞的計算方
  18. 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。
  19. 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。
  20. The conception of cumulative damage factor for sucker sods is established, and a method for determining service deadline of sucker sods in use is put forward, which provides a theoretical basis for scientifically and rationally using sucker sods

    建立了抽油桿損傷因子的概念,提出了在用抽油桿服役期限的確定方法,為科學、合理地使用抽油桿提供了理論依據。
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