細觀力學 的英文怎麼說

中文拼音 [guānxué]
細觀力學 英文
mesomechanics
  • : 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 ...
  • : 觀名詞1. (道教的廟宇) taoist temple2. (姓氏) a surname
  • : 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...
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  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. Based on the method of cell ( moc ), the effective elastic properties of resined fiber bundle with parallel or arbitrary orientation was studied, and a micro - mechanical model of resined plain - woven carbon fabric was established with the classical laminate theory, then, the method of calculation of the elastic moduli of resined plain - weave carbon fabric was presented, and can be extended to the whole carbon / phenolic composite

    基於元胞法( moc )計算了預浸樹脂的平直以及任意取向的纖維束的有效彈性常數。基於經典層板理論用替代層法建立了預浸樹脂平紋機織碳布的細觀力學模型,進而給出了預浸氨酚醛樹脂的平紋機織碳布的彈性模量的計算方法,該方法可推廣到碳酚醛復合材料。
  3. According to the geometrical characteristics of the surface on the deformed bars, considering the interfacial properties of the corrosion reinforcement and concrete, such as the microscopic mechanics model of corroded reinforcement ribs, the deterioration of ribs on the bearing surface of the deformed bars after corrosion and the effect of corrosion products of corrosion reinforced bar on the bond strength, and analyzing the distribution and interaction of the forces on the surface of the corrosion reinforcement and concrete, the calculation expressions of the bond strength between corroded deformed bars and concrete with and without transverse steel are established

    從變形鋼筋的表面幾何特徵出發,考慮了鋼筋銹蝕后鋼筋與混凝土接觸面的特徵,例如鋼筋橫肋在銹蝕狀態下的細觀力學模型,鋼筋銹蝕后鋼筋橫肋高度的變化和銹蝕產物的生成對粘結的影響。通過分析接觸面上各種的分佈形式及相互關系,建立了有橫向鋼筋和無橫向鋼筋約束作用下,鋼筋與混凝土之間粘結的計算表達式,且與相關文獻的結果進行了比較。
  4. Micro mechanical model of 3d woven composites

    三維機織復合材料的一個細觀力學模型
  5. Micro mechanical analysis of 3 - d woven composites

    三維機織復合材料的細觀力學分析
  6. Meso - mechanical analysis of stitching laminated composites

    縫合復合材料的細觀力學分析
  7. Micro beam model for 3d woven composite materials

    三維機織復合材料的一種梁單元細觀力學模型
  8. Investigation of the constitutive modle of frozen soil based on meso - mechanics

    基於細觀力學方法的凍土本構模型研究
  9. The effects of micro - structure on the equivlent elastic constants of cellular materials

    微孔結構對多孔材料細觀力學特性的影響
  10. Micromechanics analysis and test on the ductile fracture of pressure vessel materials

    容器材料韌性斷裂細觀力學分析與測試
  11. Micromechanics model of the thermo - residual stress for fiber reinfoced aluminum matrix composites

    纖維增強鋁基復合材料熱殘余應細觀力學模型
  12. 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
  13. Simulated results provided the precondition and foundation for mesoscopic mechanical analysis in concrete

    模擬結果為混凝土細觀力學分析提供了前提和基礎。
  14. Accordingly, a new framework, which provides a common scheme for the numerical simulation on the macroscopic behavior of ferroelectrics though multi - scale analysis on the coupled thermo - electrics - mechanical behavior of multiphase in heterogeneous material, is induced to construct the effective constitutive equation of multiphase. in chapter four, based on the law of domain nucleation and domain wall motion of 1800 domain switching, a new scheme of domain switching and numerical simulation approach is put forward on the foundation of thermodynamics. driving traction, nucleation criterion, velocity of domain wall motion, kinetic relation and rate of domain switching in a single grain are given

    第四章以鐵電體1800疇變的過程中形核規律和疇界運動規律的實驗察結果為基礎,根據熱理論建立鐵電體疇變的理論框架和數值模擬方法;給出了單疇內疇變驅動、新疇形核準則、疇界運動速度公式、疇變動的表達式,單晶的疇變速率公式;用細觀力學點給出了對多晶鐵電體多場耦合的有效性質進行包含疇變速率影響的多尺度分析方法。
  15. Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure

    試件的整體斷裂為剪切型,但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展,說明局部較高的應三軸度也會使韌窩型機制得以發展,但是不改變試件整體的剪切型斷裂模式;對韌性斷裂的剪切模式的機理做了一定的探討,並且提出了含裂紋構件剪切型斷裂的宏判據:認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向(可簡稱為_ ( pmax )準則) ,集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷;本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果,採用失效評定圖的形式,提出了傾斜裂紋的安全性評定方法的基本框架。
  16. 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,從微尺度上模擬晶體的生長形態,結合細觀力學、損傷建立裂紋擴展判據,實現了快速的裂紋擴展模擬。
  17. Construction materials, micromechanics of fiber composites, fracture mechanics, optical fiber sensors, application of composites in civil engineering

    建築材料;高性能混凝土;復合材料在土木工程中的應用;復合材料細觀力學:斷裂;光纖傳感器。
  18. 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。
  19. The theoretical and applied research results for mesomechanics, theories of strain gradient, polar continuum mechanics, nonlocal continuum mechanics and basic laws are discussed one by one in the present paper

    分別論述了細觀力學、應變梯度理論、極性連續統、非局部連續統及基本定律和原理在理論和應用方面的研究成果。
  20. Whereas block element of interface element method ( iem ) could be arbitrary shape, the interfaces between block could describe the phenomenons of slip and crack, analysis of mesomechanics of concrete applying iem is appropriate. the model and arithmetic of iem is introduced in the paper

    鑒于界面元離散模型中的塊體元可以為任意形狀,塊體元交界面的界面又能描述滑移或開裂現象,將其應用於混凝土多相材料的細觀力學行為分析及其對宏性能的影響是很合適的。
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