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Springer, Structural and Multidisciplinary Optimization, 4(53), p. 673-694, 2015

DOI: 10.1007/s00158-015-1309-x

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Polygonal multiresolution topology optimization (PolyMTOP) for structural dynamics

Journal article published in 2015 by Evgueni T. Filipov, Junho Chun, Glaucio H. Paulino, Junho Song
This paper is available in a repository.
This paper is available in a repository.

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Abstract

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.