Abstract
In this paper we propose a new restriction method based on employing C 0-continuous fields of density defined on a set of meshes different from the one used for the finite element analysis. The optimization procedure starts with using a coarse density-mesh compared to the finite element one. Once the convergence is obtained in the optimization steps, a finer density-mesh is nominated for the further steps. Linear and nonlinear plate behaviors are considered and formulated by Kirchhoff or Mindlin–Reissner hypothesis. Comparison is made with element/nodal based approaches using filter. The results show excellent and robust performance of the proposed method.
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Boroomand, B., Barekatein, A.R. On topology optimization of linear and nonlinear plate problems. Struct Multidisc Optim 39, 17–27 (2009). https://doi.org/10.1007/s00158-008-0311-y
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DOI: https://doi.org/10.1007/s00158-008-0311-y