采用细观力学方法提出一个岩石各向异性损伤和渗流耦合的细观模型。
A coupled model for anisotropic damage and permeability variation by using a micromechanical approach is presented.
所给出的重构算子为工程中基于宏观和介观模型的多尺度计算奠定了基础。
The reconstruction operator offers a fundamental approach to multiscale computation in engineering application.
为了分析砂岩类无序介质在各种荷载作用下的连续破坏过程，本文提出了梁-颗粒细观模型。
In this paper the beam particle model at a fine structural scale is presented for analysis of the progressive failure of such brittle disordered materials as sandstone by different loadings.
介绍了五种计算健康预期寿命的方法：沙立文方法、递减法、增减状态生命表方法、观仿真法、属等级模型法，并对各种方法的优缺点作了述评。
This paper reviews five methods of calculating healthy life expectancy namely Sullivan method double-decrement method multistate life table method micro-simulation method grade of membership model.
而细观这些文献，我们会发现导致争论的原因主要来源三个方面：贫困概念定义的模糊，度量方法的不同以及理论模型的差异。
By reviewing the researches, the reasons of the disputing can be found: the ambiguous concepts, the diverse measurements and the different theoretic models.
计算结果显示，不同细观骨料模型具有相似的规律，即随预静载增大，混凝土动弯拉强度上升，至一定峰值后回归到静载强度。
The law shows that, along with the static pre-load increasing, the dynamical bending strength of concrete would go up to a peak value and then move downward to the static strength.
本论文立足于对混凝土材料特性的认识，提出一个进行混凝土损伤与断裂过程模拟的细观数值模型。
This paper is based on the understand of the concrete material. The mathematic model to study the process of concretes damage and fracture is being put forward.
通过对梅观高速公路不同路段标准交通量特性的分析，建立了交通量综合分析模型。
A traffic flow synthetic analytical model is established by researching the traffic flows in the different sections of the Meiguan expressway.
亚观尺度的自组装是理想的模型体系。
建立了超导复合带材的细观力学假设和模型、以及成型过程的有限元分析模型。
The mechanical hypothesis and geometry model of the composite tapes were set up. The finite element analysis models in the process of the composite tapes' shaping were established.
针对以缺陷密度为参量的细观损伤演化模型的局限性，着重研究了微裂纹尺寸对损伤演化的影响。
The effect of the microcracks size on damage evolution was investigated to overcome the limitations of damage models based only on defect density.
使用包含一个橡胶和空穴的轴对称模型的有限元计算来分析橡胶增韧环氧树脂细观上的力学行为。
The finite element method was employed to study the micromechanics in rubber toughened epoxy resins using the axisymmetric model contained a rubber and a hole.
用随机模拟方法研究了化学混沌模型的介观动力学。
The mesoscopic dynamics of a chemical chaos model was studied by stochastic simulations.
本文用随机模拟方法研究了一化学混沌模型的介观动力学。
The mesoscopic dynamics of a chemical chaos model was studied by stochastic simulations in this paper .
运用连续损伤力学和细观损伤力学理论，建立了适用于水射流破岩全过程分析的岩石损伤模型以及宏细观损伤的耦合模式。
The rock damage model and the damage-coupling model suited to analyze the whole process of water jet breaking rock were established with continuum damage mechanics and micro damage mechanics.
通过所建二维细观损伤模型分析了真空热循环次数对材料线膨胀系数曲线影响的原因。
The effect of vacuum thermal cycles on the linear expansion coefficient profile was analyzed using a proposed two-dimensional model of micro-damage.
本文根据作者提出的细观单元有限元研究的结果，建议了一组新的界面本构模型以及界面剥离强度计算公式。
In this paper, a group of new models and the formulas for calculating the debonding strength of interface are presented based on the predictions of a mesoscale finite element model.
利用细观力学模型和有限元法研究纤维束复合材料的横向弹塑性力学性能。
The transverse elastoplastic mechanical properties of fiber bundle reinforced composites were studied by using the micro mechanical model and finite element method.
本文着重论述考虑涂层效应的纤维增强金属基复合材料的热机械加载细观力学模型。
In this paper a micromechanical model of fiber-reinforced metal matrix composites is established with considering the coating effects.
提出了一种描述岩石、混凝土类材料断裂损伤过程区的细观力学模型，用于分析材料的非线性断裂的微观机理。
The cracking mechanism based on non linear fracture model for rock concrete materials is proposed and micro mechanical model for fracture process zone (FPZ) established.
本文采用随机骨料模型和双折线损伤模型相结合，在细观层次上对混凝土在单轴荷载作用下的力学特性和破坏机理进行了数值研究。
In this paper, the random particle model and double lines damage model are used, and uniaxial mechanical properties of concrete and the damage mechanism are integrated on meso-level.
对基于硬化模型建立的扰动状态理论（DSC）做细观分析。
The paper performs meso analysis of disturbed state concept theory(DSC) which based on hardening model.
建立了一种细观力学模型用于预报复合材料的有效热膨胀系数。
A micromechanical model was proposed to predict the thermal expansion coefficient of composite.
文内除了列举几种反映岩体软化及节理裂隙性质的损伤模型外，还介绍了细观与统计损伤模型。
This paper also presents several rock damage model reflecting the softening and joint behaviour of rock masses in addition to the introduction of meso and statistical models.
研究2.5D编织细观结构，分析了其单元体模型，建立了2.5 D编织复合材料弹性性能分析预报模型。
The microstructure of 2.5d braids was studied and their unit cell models analyzed, based on which a model for predicting the elastic properties of 2.5d braided composites was established.
建立了横观各向同性的本构模型。
A constitution model for transversely isotropic materials is established.
建立了横观各向同性的本构模型。
A constitution model for transversely isotropic materials is established.
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