Be?zier surface;
Boundary control points;
Quadratic functional;
Triharmonic equation;
D O I:
10.4208/jcm.2106-m2021-0050
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
In this paper, we present a method for generating Be & PRIME;zier surfaces from the boundary information based on a general second order functional and a third order functional as-sociated with the triharmonic equation. By solving simple linear equations, the internal control points of the resulting Be & PRIME;zier surface can be obtained as linear combinations of the given boundary control points. This is a generalization of previous works on Plateau-Be & PRIME;zier problem, harmonic, biharmonic and quasi-harmonic Be & PRIME;zier surfaces. Some representative examples show the effectiveness of the presented method.
机构:
Dalian Univ Technol, Sch Math Sci, Dalian 116024, Peoples R China
Key Lab Computat Math & Data Intelligence Liaonin, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Math Sci, Dalian 116024, Peoples R China
Wu, Yan
Zhu, Chun-Gang
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机构:
Dalian Univ Technol, Sch Math Sci, Dalian 116024, Peoples R China
Key Lab Computat Math & Data Intelligence Liaonin, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Math Sci, Dalian 116024, Peoples R China
机构:
Hunan Normal Univ, Coll Math & Comp Sci, Changsha 410081, Hunan, Peoples R ChinaHunan Normal Univ, Coll Math & Comp Sci, Changsha 410081, Hunan, Peoples R China
Pan, Qing
Xu, Guoliang
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机构:
Chinese Acad Sci, Acad Math & Syst Sci, Inst Computat Math, LSEC, Beijing 100190, Peoples R ChinaHunan Normal Univ, Coll Math & Comp Sci, Changsha 410081, Hunan, Peoples R China