Polygonal multiresolution topology optimization (PolyMTOP) for structural dynamics

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• 作者：Evgueni T. Filipov ; Junho Chun…
• 关键词：Topology optimization ; Multiresolution ; Polygonal elements ; Eigenfrequency optimization ; Forced vibration optimization
• 刊名：Structural and Multidisciplinary Optimization
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：53
• 期：4
• 页码：673-694
• 全文大小：5,822 KB
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• 作者单位：Evgueni T. Filipov (1)
  Junho Chun (1)
  Glaucio H. Paulino (1) (3)
  Junho Song (2)
  
  1. Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign (UIUC), Urbana, IL, 61801, USA
  3. School of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Drive, Atlanta, GA, 30332, USA
  2. Department of Civil and Environmental Engineering, Seoul National University, Seoul, 151-742, Republic of Korea
  
• 刊物类别：Engineering
• 刊物主题：Theoretical and Applied Mechanics
  Computer-Aided Engineering and Design
  Numerical and Computational Methods in Engineering
  Engineering Design
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1615-1488

文摘

We use versatile polygonal elements along with a multiresolution scheme for topology optimization to achieve computationally efficient and high resolution designs for structural dynamics problems. The multiresolution scheme uses a coarse finite element mesh to perform the analysis, a fine design variable mesh for the optimization and a fine density variable mesh to represent the material distribution. The finite element discretization employs a conforming finite element mesh. The design variable and density discretizations employ either matching or non-matching grids to provide a finer discretization for the density and design variables. Examples are shown for the optimization of structural eigenfrequencies and forced vibration problems.