A design methodology dealing with boundary and local features on the surface model is researched mainly.

研究了模型边界处理方法及复杂曲面局部特征设计方法。

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An anisotropic damage model for concrete subjected to compressive fatigue load is developed based on continuum damage mechanics and the concept of boundary surface.

基于边界面概念和损伤力学理论，建立了混凝土受压各向异性损伤模型。

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This model considers free surface boundary, flux boundary, horizontal flow barrier, well boundary, non-linear characteristics of soils and dynamic change of permeability coefficient with stress state.

该模型考虑了自由面边界、流量边界、基坑围护连续墙、井边界、土体非线性特性、土的渗透性随应力状态的变化。

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