プレプリント / バージョン1

Multicomponent topology optimization method considering assemblability using a fictitious physical model

##article.authors##

  • Ryoma Hirosawa School of Engineering, The University of Tokyo
  • Masaki Noda Graduate School of Engineering, The University of Tokyo
  • Kei Matsushima Graduate School of Engineering, The University of Tokyo https://orcid.org/0000-0002-0352-8770
  • Yuki Noguchi Graduate School of Engineering, The University of Tokyo https://orcid.org/0000-0003-3917-4369
  • Takayuki Yamada Graduate School of Engineering, The University of Tokyo

DOI:

https://doi.org/10.51094/jxiv.33

キーワード:

Topology optimization、 Assemblability、 Extended level set method、 Multicomponent design、 Fictitious physical model、 Finite element method、 FreeFEM

抄録

This paper proposes a multicomponent topology optimization method that considers assemblability. Generally, it is difficult to consider assemblability in topology optimization; however, in this study, we achieve it by introducing a fictitious physical model. To perform multicomponent topology optimization, the extended level set method is used to represent multiple components. First, the assembly constraints are formulated using a fictitious physical model limited to two components. Then, by considering stepwise assembly, the constraint is extended to three or more components. In addition, topology optimization algorithms are constructed using the finite element method. Several numerical examples demonstrate that the proposed method can obtain structures with assemblability and has low initial structure dependence.

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投稿日時: 2022-03-28 03:54:34 UTC

公開日時: 2022-04-01 06:04:47 UTC
研究分野
機械工学