Based on an initial structural mesh, a data structure for a 3-D body-fitted tree mesh was built.Simplified algorithms were developed for anisotropic self-adaptive split and mergence.

• 摘要建立了基于分区结构网格的三维贴体叉树形网格的数据结构，并阐述了在此基础上进行自适应分裂／合并判别方法。