Topology Optimization Using Structural Discrete Elements (In Cases where the Principal Direction of Moment of Inertia in Frame Element Cross-Section is Included as a Design Variable)

Akihiro Takezawa, Shinji Nishiwaki, Kazuhiro Izui, Masataka Yoshimura

研究成果: Article査読

抄録

This paper presents a new topology optimization method that supports decision-making to obtain innovative designs at the conceptual design phase for mechanical structures. This method is developed based on structural and function-oriented elements such as frame and panel elements. For each of the frame elements, the rotational angle denoting the principal direction of the second moment of inertia is included as a design variable, and a way to obtain the optimal angle is derived from Karush-Kuhn-Tucker (KKT) conditions. For the panel elements, two types of panel element are introduced based the assumed stress method. Several numerical examples confirm the validity and utility of the proposed method, which should be useful for mechanical design engineers at the conceptual design phase.

本文言語English
ページ(範囲)1962-1969
ページ数8
ジャーナルNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
71
706
DOI
出版ステータスPublished - 2005
外部発表はい

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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