A topology optimization method based on the level set method incorporating a fictitious interface energy

Takayuki Yamada, Kazuhiro Izui, Shinji Nishiwaki, Akihiro Takezawa

Research output: Contribution to journalArticlepeer-review

310 Citations (Scopus)

Abstract

This paper proposes a new topology optimization method, which can adjust the geometrical complexity of optimal configurations, using the level set method and incorporating a fictitious interface energy derived from the phase field method. First, a topology optimization problem is formulated based on the level set method, and the method of regularizing the optimization problem by introducing fictitious interface energy is explained. Next, the reaction-diffusion equation that updates the level set function is derived and an optimization algorithm is then constructed, which uses the finite element method to solve the equilibrium equations and the reaction-diffusion equation when updating the level set function. Finally, several optimum design examples are shown to confirm the validity and utility of the proposed topology optimization method.

Original languageEnglish
Pages (from-to)2876-2891
Number of pages16
JournalComputer Methods in Applied Mechanics and Engineering
Volume199
Issue number45-48
DOIs
Publication statusPublished - 2010 Nov 15
Externally publishedYes

Keywords

  • Finite element method
  • Level set method
  • Phase field method
  • Tikhonov regularization method
  • Topology optimization

ASJC Scopus subject areas

  • Computational Mechanics
  • Mechanics of Materials
  • Mechanical Engineering
  • Physics and Astronomy(all)
  • Computer Science Applications

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