細觀損傷力學 的英文怎麼說

中文拼音 [xìguānsǔnshānglìxué]
細觀損傷力學 英文
microscopic damage mechanics
  • 細 : 形容詞1 （條狀物橫剖面小） thin; slender 2 （顆粒小） in small particles; fine 3 （音量小） thin ...
  • 觀 : 觀名詞1. （道教的廟宇） taoist temple2. （姓氏） a surname
  • 損 : Ⅰ動詞1 （減少） decrease; lose 2 （損害） harm; damage 3 [方言] （用尖刻的話挖苦人） speak sarcas...
  • 傷 : Ⅰ名詞1 （人體或其他物體受到的損害） wound ; injury 2 （姓氏） a surname Ⅱ動詞1 （傷害） injure; h...
  • 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...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 損傷 : 1. （傷害） harm; damage; injure; lesion; scuff; hurt; damnify; impair 2. （損失） loss; cause loss to
  1. Most existing constitutive models do not take into account the interactions between different phases of pearlitic steel and cannot illustrate why such kind of materials has excerllent mechanical properties. it is, therefore, necessary to develop a new method, which can describe the macroscopic behavior, damage and failure of the materials and their micro structural dependence. in this paper, based on a non - classical theory of plasticity and the continuum damage mechanics, a damage evolution based on an ellipsoidal void model for mixed hardening materials is obtained

    已有的關于珠光體鋼的本構模型多難以考慮珠光體材料的微結構及其相互作用，難以解釋珠光體材料何以具有較好的綜合力學性能，因此有必要發展一種多層次的細觀力學分析方法以研究此材料在復雜加載條件下計及微結構特徵的宏觀響應特性，使材料的強度、疲勞壽命的預測與其微結構及各組成相的損傷及微觀應力應變演化規律聯系起來，進而為材料微結構的設計提供依據。
  2. It is developed from large - scale objective model experiment to reduced scale model experiment ; from simple mechanics device to various advanced detecting device ; and the theory is developed from elastic mechanics, plastic mechanics to fracture mechanics and damage mechanics. the study of concrete fracture has also developed from macro - level to meso - level

    從大型的實物模型試驗，到各種縮尺模型試驗；從簡單的力學儀器，到各種先進探測儀器的使用；理論上也由彈性力學、塑性力學發展到了斷裂力學、損傷力學等，對混凝土斷裂問題的研究，更是由宏觀領域進入了細觀層次。
  3. Microscopic damage mechanics

    細觀損傷力學
  4. In order to study the influence of evolvement of permeation character induced by mesoscopic structural characteristics on macroscopic mechanical behavior and fracture mechanism, a nonlinear constitutive equations describing the relationship between damage of rock and seepage is proposed based on mesoscopic damage mechanics and biot seepage mechanics theory and coupling system of flow & solid in rock failure process analysis, f - rfpa2d, is developed to simulate the variation of permeability as well as coupling mechanism between seepage and stress during the initiation, propagation and coalescence of cracks in rock. this study also extends the research field of original rfpa2d

    為了分析細觀結構特性變化引起滲透性演化對宏觀力學行為的影響，並進行滲流應力耦合作用下巖石破裂機制的研究，本文基於細觀損傷力學和biot經典滲流力學，建立了巖體損傷非線性本構方程和滲透率關系模型，開發出巖石破裂過程滲流-應力耦合分析系統（ couplingsystemofflow & solidinrockfailureprocessanalysis簡稱f - rfpa2d ） ，拓寬了原有程序rfpa2d的研究領域。
  5. Meso mechanical analysis of effect of initial damage on ductile fracture initiation toughness of steel

    初始損傷對鋼的延性起裂韌性影響的細觀力學分析
  6. Abstract : by analyzing strain softening micromechanical damage process of rock, the softening micromechanical damage model of rock is established and the softening constitutive relation of rock under one _ dimension tension is also obtained

    文摘:通過分析巖石材料應變軟化的細觀損傷力學過程，建立了巖石軟化階段的細觀損傷力學模型，從而得到單向拉伸狀態下巖石軟化過程的應力應變本構關系
  7. Based on the damage mechanics theory, during the freezing and thawing, the ct measurement technology is used to observe the water transference, ice formation, inner microdamage propagation principle and the corresponding damage structure variability

    從細觀損傷力學理論出發，利用ct識別先進的試驗技術研究巖石在凍結融化過程中，水分的遷移，冰的形成，內部細觀損傷擴展機理及相應損傷結構的變化。
  8. Based on the mesoscopic damage mechanics, numerical code rfpa ( superscript 2d ) was developed to simulate the spallation process of inhomogeneous medium induced by reflection of stress wave under different stress waves ( such as different durations, amplitudes and shapes ), and the behaveiour and mechanism of spallation process were numerically analyzed and discussed

    摘要採用基於細觀損傷力學基礎上開發的動態版rfpa （上標2d ）數值模擬軟體，對不同沖擊載荷作用下非均勻介質中應力波反射誘發層裂過程進行數值模擬。
  9. Advances in numerical simulation of mechanical performance of concrete based on micro - mechanics damage

    基於細觀損傷的混凝土力學性能數值模擬研究進展
  10. High molecule physics and the damage theory of rheologic material with lacuna are used in experiments to study the pmma ' s nonlinear viscoelasticity and changing depends on time and temperature when distorting and destroying. we try to seek a common rule to polymer ' s crazing damage, offer a viable damage model and measure to research polymer ' s minute damage

    本文運用高分子物理、含缺陷流變性物體的材料破壞等理論，以實驗為基礎，對聚合物變形、破壞以及時間相依和溫度依賴性等非線性力學行為進行研究，試圖尋求聚合物銀紋損傷的一般規律，為研究聚合物的細觀損傷提供了一種可行的損傷模型與方法。
  11. Physical grid, attained with monte - carlo simulation for grain growth, is more accurate and reasonable than the grid attained with finite element methods ( fem ). based on micromechanics and damage mechanics, proper crack propagation criterions are developed and crack propagation simulation can be finished in few seconds with common computers

    跨出了細觀力學結合有限元方法模擬裂紋擴展的現有模式，從微觀尺度上模擬晶體的生長形態，結合細觀力學、損傷力學建立裂紋擴展判據，實現了快速的裂紋擴展模擬。
  12. The details as followed : 1. summarize and analyze the methods of meso - mechanics of concrete and researching documents on the theory of damage of concrete ; 2. based on the packing approach of spherical aggregates, a method generating polygon aggregate model of concrete was presented, by which the codes of aggregate packing and meso - meshes of finite element plotting were designed taking into account the actual aggregate content, grading, and aggregate configuration

    具體工作由以下幾個方面: 1 .分析總結了混凝土細觀力學分析方法和現有混凝土材料損傷破壞理論的研究成果; 2 .在研究圓形骨料投放方法的基礎上，提出了一種多邊形隨機骨料投放方法，並編制了凸多邊形模型生成程序和細觀有限元剖分程序。這種生成方法所得到的凸多邊形骨料模型既反映了骨料的實際形態又維持骨料的實際級配和含量。
  13. Focusing on the micro construction of concrete materials, some research has been done. based on the former accomplishment and two theories : fraction mechanics and damage mechanics, the thermal damage model is established. the temperature damage developing equation is presented, as well as the calculation of arch construction

    本文在總結前人研究成果的基礎上，從混凝土材料組成的微細觀角度出發，應用混凝土斷裂力學和損傷力學理論對混凝土材料在溫度荷載作用下的損傷問題進行了理論與試驗研究，提出了混凝土溫度損傷模型，並導出了混凝土溫度損傷演變方程，最後用損傷有限元對拱型結構進行了數值計算，論文的具體內容如下： 1
  14. Meso - mechanism of damage and fracture on rock blasting and its mechanical behaviors

    巖石爆破損傷斷裂的細觀機理及其力學特性研究
  15. 6 ) the thermo - mechanical behaviors of sma fiber reinforced smart structures with damages have been analyzed by utilizing the shear lag model and variational principle. mathematical expressions on meso - displacement field, stress - strain field of typical element with damages have been presented, and a failure criterion of interface between sma wires and base material is established. a geometric characterization on the failure criterion has also been made via an example

    6 ）運用剪滯模型和變分原理，對含損傷sma增強智能結構的熱、力學行為進行了分析，給出了含損傷典型單元體的細觀位移場、應力應變場的數學描述，建立了sma增強智能結構界面的失效判據，並通過算例對失效判據進行了直觀的幾何描述。
  16. It is one of mechanisms of plastic distortion, at the same time it is also the beginning of microcosmic damage and rupture before the macroscopical destroying of materials, it representatives a mid - state between materials " macroscopical rupture and bend, it is considered a premonitory that the rupture of polymer material, which get common attention by scholar inside and outside nation. therefore, the research for engineering polymer in mechanic action of non - linearity destroy such as distortion, destroy and depe nd on time and temperature is valuable in theoretic research and actual application, which offer the important theoretic gist for changing complex material ' s capability and actualize polymer ' s perfect application with high quality of capability in engineering

    同時，銀紋化和銀紋損傷是高聚物特有的一種現象，細觀層次的銀紋引發、生長和斷裂在聚合物損傷斷裂的整個過程中起著承前啟后的作用，它是溝通宏、微觀變形機制的橋梁，是材料塑性變形的機制之一，同時又是材料宏觀破壞以前微觀上損傷、破壞的開始，它代表材料微觀斷裂和屈服之間的一個中間狀態，可以看作是聚合物材料宏觀斷裂的先兆，受到國內外學者們的廣泛關注。因此，開展工程聚合物變形、破壞以及時間相依和溫度依賴性等非線性力學行為研究，探討聚合物破壞過程中的非線性力學行為，為聚合物及其復合材料的改性、實現聚合物的工程化與高性能化提供重要的理論依據，具有重要的理論研究意義和實際應用價值。
  17. Taking ti alloy tc11 electron beam welded work - piece as research object, which is the conventional material of aero engine compressor blisc, the fatigue damage evolution law of fatigue damage action in the area of welded joint based on damage mechanics theory is analysed, and fatigue damage model, which macro - parameter and micro - damage characteristics are related, with fractal geometry - a new conception of modern mathematics is set up in this paper. it tries to research the measuring method of fatigue fracture fractal dimension and the relationship of fractal damage variable with fatigue life. it also sets up the welded joint fatigue damage fractal evolution equation

    本課題以航空發動機壓氣機葉盤常用材料鈦合金（ tc11 ）電子束焊構件為研究對象，對焊接接頭的疲勞破壞行為，基於損傷力學理論分析其疲勞損傷演化規律，應用現代數學的新概念? ?分形幾何學理論，建立宏觀參量與細觀損傷特徵相聯系的疲勞損傷模型，研究疲勞斷口分維數測量方法以及分形損傷變量與疲勞壽命之間的關系，建立焊接接頭疲勞損傷分形演化方程。
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