Element stacking method for topology optimization with material-dependent boundary and loading conditions

Gil Ho Yoon, Y.K. Park, Y.Y. Kim

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A new topology optimization scheme, called the element stacking method, is developed to better handle design optimization involving material-dependent boundary conditions and selection of elements of different types. If these problems are solved by existing standard approaches, complicated finite element models or topology optimization reformulation may be necessary. The key idea of the proposed method is to stack multiple elements on the same discretization pixel and select a single or no element. In this method, stacked elements on the same pixel have the same coordinates but may have independent degrees of freedom. Some test problems are considered to check the effectiveness of the proposed stacking method.
Original languageEnglish
JournalJournal of Mechanics of Materials and Structures
Volume2
Issue number5
Pages (from-to)883-895
ISSN1559-3959
Publication statusPublished - 2007

Keywords

  • topology optimization
  • material-dependent boundary conditions
  • element stacking

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