然后考虑钙质土的颗粒破碎与滑移两种变形机制的耦合作用，并分别采用损伤模型和边界面模型予以描述。
Further the coupling interaction of failure and slide is studied for calcareous sand. The interaction is described by damage model and bounding surface model, respectively.
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。
An anisotropic damage model for concrete subjected to compressive fatigue load is developed based on continuum damage mechanics and the concept of boundary surface.
建立了结构性粘土的边界面砌块体模型，并用试验进行了验证。
The bounding surface masonry model is developed and verified using test data.
选这些参数的最大概率作为河道的最优化模型，利用所生成的最优化参数计算出河道砂体的边界面。
Choosing the maximum probability of channel geometry parameters as optimization model, the bounding surfaces of channel reservoir are computed with the optimization geometry parameters.
地质界面模型是由煤层的顶底板插值曲面经煤层边界和断层曲面裁剪而成的，地表面模型是对原始地表数据和矿坑数据进行三角剖分得到的三角形网格。
The interpolation face of coal seams is trimmed by boundary and the closed polygons of up and down faulted blocks to form the deposit interface model. The earths surface model is founded.
理论模型试算与实际应用结果表明，应用边界元法反演三维密度界面误差小、效果好。
The results of the theoretical model calculation and practical application have showed the little error and good effect to inverse 3-D density interface.
理论模型试算与实际应用结果表明，应用边界元法反演三维密度界面误差小、效果好。
The results of the theoretical model calculation and practical application have showed the little error and good effect to inverse 3-D density interface.
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