A short numerical study on the optimization methods influence on topology optimization

Susana Rojas Labanda, Ole Sigmund, Mathias Stolpe

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Structural topology optimization problems are commonly defined using continuous design variables combined with material interpolation schemes. One of the challenges for density based topology optimization observed in the review article (Sigmund and Maute Struct Multidiscip Optim 48(6):1031–1055 2013) is the slow convergence that is often encountered in practice, when an almost solid-and-void design is found. The purpose of this forum article is to present some preliminary observations on how designs evolves during the optimization process for different choices of optimization methods. Additionally, the authors want to open a discussion on how to properly define and identify the boundary translation that is often observed in practice. The authors hope that these preliminary observations can open for fruitful discussions and stimulate further investigations concerning slowly moving boundaries. Although the discussion is centered on density based methods it may be equally relevant to level-set and phase-field approaches.
Original languageEnglish
JournalStructural and Multidisciplinary Optimization
Issue number6
Pages (from-to)1603-1612
Publication statusPublished - 2017


  • Density based methods
  • Optimization methods
  • Topology optimization


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