An Explicit Boundary Level Set Method for Optimization Design of Fluid Channel

China Mechanical Engineering ›› 2013, Vol. 24 ›› Issue (15): 2097-2100,2113.

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An Explicit Boundary Level Set Method for Optimization Design of Fluid Channel

Qian Xiaohui1,2;Deng Yongbo1;Liu Yongshun1,2;Wu Yihui1;Liu Zhenyu1

1.State Key Laboratory of Applied Optics,Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun,130033
2.University of Chinese Academy of Sciences,Beijing,100039

Online:2013-08-10 Published:2013-08-15
Supported by:
National Natural Science Foundation of China（No. 509775272）

基于显式边界水平集方法流道优化设计

钱小辉1,2;邓永波1;刘永顺1,2;吴一辉1;刘震宇1

1.中国科学院长春光学精密机械与物理研究所应用光学国家重点实验室,长春,130033
2.中国科学院大学,北京,100039

基金资助:
国家自然科学基金资助项目(509775272)
National Natural Science Foundation of China（No. 509775272）

Abstract

Abstract:

This paper focused on solving mass distribution problem of fluid channel design with COMSOL script,based on explicit boundary level set method(EbLSM) for incompressible Navier-Stokes flow.The physical field was solved by using explicit no-slip boundary conditions. A method to construct explicit boundaries and optimization model for mass distribution problem was discussed,and the model's sensitivity was verified numerically.Finally,the numerical examples illustrate that,based on the EbLSM,the proposed numerical model can solve mass distribution efficiently problem.At the same time,in the progress of optimization,the EbLSM possesses the capability to modify channel's topology.

Key words: fluid channel, explicit boundary, level set method, optimization design

摘要：

为了解决流道优化设计中的流量分配问题,基于COMSOL Multiphysics软件进行二次开发,采用显式边界水平集方法和真实无滑移边界条件,数值求解不可压缩Navier-Stokes方程,提出了基于水平集边界显式化方法的适合管道流量分配的优化模型,并验证了优化模型的数值敏度,通过算例证明了基于显式边界水平集方法建立的优化模型能够有效地解决流道优化设计中流量分配的问题,并且在优化的过程中保留了水平集方法进行拓扑变化的特性。

关键词: 流道, 显式边界, 水平集方法, 优化设计

CLC Number:

TB122

JIAN Xiao-Hui-1, 2, DENG Yong-Bei-1, LIU Yong-Shun-1, 2, TUN Yi-Hui-1, LIU Shen-Yu-1. An Explicit Boundary Level Set Method for Optimization Design of Fluid Channel[J]. China Mechanical Engineering, 2013, 24(15): 2097-2100,2113.

钱小辉1, 2, 邓永波1, 刘永顺1, 2, 吴一辉1, 刘震宇1. 基于显式边界水平集方法流道优化设计[J]. 中国机械工程, 2013, 24(15): 2097-2100,2113.

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An Explicit Boundary Level Set Method for Optimization Design of Fluid Channel

基于显式边界水平集方法流道优化设计

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