A level set based method for the optimization of cast part

被引：96
作者：
Xia, Qi [1 ]
Shi, Tielin [2 ]
Wang, Michael Yu [3 ]
Liu, Shiyuan [1 ]
机构：
[1] Huazhong Univ Sci & Technol, State Key Lab Digital Mfg Equipment & Technol, Wuhan 430074, Peoples R China
[2] Wuhan Natl Lab Optoelect, Wuhan, Peoples R China
[3] Chinese Univ Hong Kong, Dept Mech & Automat Engn, Shatin, Hong Kong, Peoples R China
来源：
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION | 2010年 / 41卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Structure optimization; Level set; Cast part; Molding constraint; INCORPORATING TOPOLOGICAL DERIVATIVES; OPTIMAL RISER DESIGN; SENSITIVITY-ANALYSIS; LINE;
D O I：
10.1007/s00158-009-0444-7
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A cast part is formed via casting process in which molten liquid is poured into and solidifies in a cavity enclosed by molds. Then, one obtains the cast part when the molds are removed. An important issue in the casting process is that a cast part should have a proper geometry so that the molds can actually be removed. Accordingly, in the optimization of a cast part one not only needs to optimize the performance of the cast part but also needs to ensure the cast part have a proper geometry. With these goals, a level set based method is proposed for the optimization of cast part. A molding condition and a performance condition on the design velocity are derived for the optimization. Numerical examples are provided in 2D and 3D.
引用
收藏
页码：735 / 747
页数：13
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