虽然达西定律描述了在孔隙介质中流体的宏观流动方式，但是它没有给出有关的分子弥散流动的情况。
Though Darcy's law describes the macro flow model in porous media, it doesn't consider the molecule's dispersion flow.
非均匀介质中的弥散过程是依赖距离的，这起源于非均质结构的多尺度性质。
The dispersion process in heterogeneous porous media is distance dependent, which result from the multi scaling property of heterogeneous structure.
放射性核素在地质介质中的迁移，除了受到地下水的对流-弥散作用外，还受到地下水中多种化学作用的影响。
Migration of radionuclides in geologic media is controlled by not only convection-dispersion effect but also many chemical processes.
本文通过对淋滤液运移模型的研究，给出了多孔介质和双重介质淋滤液运移模型的定解问题，采用广义迎风格式求解淋滤液运移模型，消除数值弥散。
Equations of transport model of leachate for porous media and double media are given. Generalized upwind scheme is used to solve the transport model of leachate and to eliminate numerical dispersion.
通过数值计算研究超绝热燃烧的形成、以及弥散效应、当量比和多孔介质材料本身对超绝热燃烧特性的影响。
The influences of reaction mechanisms, radiation models, dispersion effects, and variations of physical, thermal and transport properties on numerical results are discussed in detail.
为进行连续介质到非连续介质转化的数值模拟，实现结构破坏过程的仿真分析，将固定和旋转的弥散裂缝模型与变形体离散元方法结合应用于混凝土、岩石等准脆性材料的受拉开裂过程分析。
Fixed and rotating smeared-crack models based on a deformable distinct element method were developed to analyze the fracture of quasi-brittle materials such as concrete and rock under tension.
为进行连续介质到非连续介质转化的数值模拟，实现结构破坏过程的仿真分析，将固定和旋转的弥散裂缝模型与变形体离散元方法结合应用于混凝土、岩石等准脆性材料的受拉开裂过程分析。
Fixed and rotating smeared-crack models based on a deformable distinct element method were developed to analyze the fracture of quasi-brittle materials such as concrete and rock under tension.
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