The adaptivity of Quadtrce mesh generation is also studied in this paper, and local mesh density can be increased and decreased conveniently according to the local point.

• 本文还在此基础上进行了四叉树网格的自适应研究，根据输入的“局部加密点”，所生成的网格可以方便地再进行局部加密和局部稀疏化，易于自适应。