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Issue:
A New Class of Minimal Surfaces and Their Application in Membrane Structure Design
Author(s):
XU Gang
,
WANG Guozhao
Pages:
930
-
936
Year:
2008
Issue:
6
Journal:
Journal of Basic Science and Engineering
Keyword:
极小曲面
;
五次参数多项式极小曲面
;
等温参数曲面
;
调和曲面
;
CAD
;
Abstract:
给出了一类新的极小曲面,它为带两个形状参数的五次参数多项式曲面.证明了该曲面既为等温参数曲面又为调和曲面,并研究了该曲面均对称性质与自交性质.研究了该曲面的高斯曲率分布和双曲点分布,并通过图例分别分析了两个形状参数对曲面形状的影响.利用张量积Bézier曲面和三角Bézier曲面给出了该曲面的控制网格表示,并研究了该类极小曲面在张拉膜结构设计中的应用.本研究不仅丰富了微分几何中的极小曲面理论,对极小曲面在CAD系统中的应用也有重要意义.
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