The geometric model from CAD system contains a great deal of trimmed parametric surfaces, and the adjacency relation between trimmed surfaces is very complex.
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- 在板料冲压成形模拟分析中 ；从 CAD系统输入的模具的曲面模型包含大量的裁剪参数曲面 ；曲面之间的相邻关系复杂 .
