《山东大学学报(理学版)》 ›› 2022, Vol. 57 ›› Issue (6): 102-110.doi: 10.6040/j.issn.1671-9352.0.2021.613
• • 上一篇
王淑娟,杨火根*,柴莹
WANG Shu-juan, YANG Huo-gen*, CHAI Ying
摘要: 对满足一定约束的五次Bézier三边形曲线, 提出4种有理多项式Coons曲面构造格式, 使得所构造的曲面插值三边形曲线为边界测地线。首先, 分析插值曲面沿边界测地线的跨界切矢在角点处的相容性约束; 其次基于重心坐标表示的有理Hermite多项式基, 设计插值两相邻边界测地线的插值算子; 最后, 给出插值三边形测地线的有理多项式Coons曲面构造格式。本文提出的过Bézier三边形测地线的Coons曲面构造算法简便易实现, 计算结果表明算法的可行性。
中图分类号:
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