The Application of Improved Variable Density Method in Topological and Traffic Flow Optimization

摘要：

　　Topology optimization problem, also the traffic flow problem is transformed to topology optimization, is solved by the application of the improved variable density method.Considering the imperfection of the traditional variable density method for penalty function, a new penalty function is proposed in this paper.The corresponding Optimality Criteria method is derived.Considering the numerical instabilities, such as checkerboards and mesh dependencies, a new hybrid filtering method is presented, which can eliminate numerical problems effectively.The methodologies for topological optimization presented in this paper are programmed using MATLAB.The validity of the methodologies :of this paper is proved by several illustrated examples.

关键词： Topology optimization Traffic flow cost Penalty function Improved variable density method Optimality Criteria Method Checkerboards Hybrid filtering method

作者: TANG Ying-ying CHEN Hong FENG Jian-hu

作者单位: Chang”an University, Xi”an 710064, Shanxi, China

会议类型: 国内会议

会议名称: 第十四届现代数学和力学学术会议

会议地点: 湖南张家界

会议语种:英文

页码: 271-277

在线出版日期: 2014-08-17（万方平台首次上网日期，不代表论文的发表时间）