本文在研究上述两类算法的基础上，结合网格和密度算法的优点，把自适应网格技术应用到网格划分上。
The paper based on the researching of these methods, combining with the excellence of the grid and density methods, applying the adapter gird to grid partition.
通过对三维数值模拟实施过程中几何建模、接触、网格自适应和重划分等关键技术问题的处理，顺利完成传统方案和改进方案的模拟。
To continue the numerical simulations of the conventional and improved schemes, some key technologies, including geometric model, contact, mesh adapting and remeshing, are solved.
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