Shape optimization of the stokes flow problem based on isogeometric analysis

被引：31
|
作者：
Park, Byong-Ug [1 ]
Seo, Yu-Deok [2 ]
Sigmund, Ole [3 ]
Youn, Sung-Kie [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea
[2] Samsung Display, Asan, Chungnam, South Korea
[3] Tech Univ Denmark, Dept Mech Engn, DK-2800 Lyngby, Denmark
来源：
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION | 2013年 / 48卷 / 05期
基金：
新加坡国家研究基金会;
关键词：
Isogeometric analysis; Shape optimization; Stokes flow; Design-dependent load; DESIGN SENSITIVITY-ANALYSIS; TOPOLOGY OPTIMIZATION; FINITE-ELEMENTS; EXACT GEOMETRY; NURBS; CAD;
D O I：
10.1007/s00158-013-0939-0
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Design-dependent loads related to boundary shape, such as pressure and convection loads, have been a challenging issue in optimization. Isogeometric analysis, where the analysis model has smooth boundaries described by spline functions can handle design-dependent loads with ease. In the present study, shape optimization based on isogeometric analysis is applied to the Stokes flow problems such as minimizing energy dissipation and drag force. The drag force objective is based on accurate integration of boundary pressures. Local control point insertion schemes are employed for accurate representation of geometry in an adaptive manner.
引用
收藏
页码：965 / 977
页数：13
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