将亏格为零的三维模型进行球面参数化的方法大致可以分成3类：(1)基于累进网格的方法(2)球面松弛的方法(3)保角参数化方法。
These methods can be divided into three: (1) method based on progressive mesh (2) method based on sphere relaxation (3) conformal method. The three methods have their own advantages and shortcomings.
针对网格资源的松弛预留问题，提出一种改进的连续双向拍卖模型。
Aiming at relaxed reservation of grid resource, an improved continuous double auction model is proposed.
对悬链面找形时发现，当黏性系数不大于0.7时，动力松弛法收敛，网格节点分布较无阻尼时均匀。
During form-finding of catenoid, when the viscosity coefficient was not more than0.7, the dynamic relaxation method taking damp into account had good convergence and the nodes distributed more even.
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