用adi干湿网格法和引入辐射边界条件反应活动边界，建立一个风暴潮漫滩模型。
By using adi dry wet grid method and radiation boundary condition, a numerical model of storm surge inundation is presented.
这种模型属于具有活动边界的非线性问题，分别用特征线法和有限差分法求解，得到了含水饱和度分布和活动边界的变化规律。
Characteristic solution and finite difference solution are derived respectively and water saturation distribution curves are presented and the law of the moving boundary is found.
该模型符合知觉特性，是几何活动轮廓模型的一般形式，且融合图像区域信息和边界信息。
The developed model, which incorporates the information of foreground and background regions, produces perceptual characteristics and is a general form of the geometric active contour model.
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