Methodology for Integrating Biomimetic Beams in Abstracted Topology Optimization Results

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Authors

  • Tim Röver
  • Robert Johannes Lau
  • Fritz Lange
  • Arnd Struve
  • Cedrik Fuchs
  • Katharina Bartsch
  • Arthur Seibel
  • Claus Emmelmann

This paper presents a five-step design methodology to generate designs of biomimetic structural components from topology optimization results. In step one, all material allocated by topology optimization is classified as either beam like structures or nodes to generate an auxiliary model consisting of preserved regions, cylindrical beams, and ball nodes, which is an abstraction of the original topology optimization result. In step two, the auxiliary model is exposed to the original boundary conditions in a finite element analysis. Then, internal forces, torsion, and bending moments in all beams of the auxiliary model are identified with respect to both of their ends. In step three, a database is used to find a suitable biomimetic beam for each previously analyzed beam in the auxiliary model. In step four, adapted nodes are designed to connect the biomimetic beams and preserved regions to generate an intermediate biomimetic component design. And in step five, a design iteration and a validation of the final design are performed. The design methodology allows for reproducible biomimetic component designs, a trackable and easily documentable component development process, and the possibility of automating the design process to ultimately save development costs when designing structural components.

Original languageEnglish
Title of host publicationProceedings of ASME 2022 International Mechanical Engineering Congress and Exposition (IMECE2022) : Volume 4: Biomedical and Biotechnology; Design, Systems, and Complexity
Number of pages7
Place of PublicationNew York
PublisherThe American Society of Mechanical Engineers (ASME)
Publication date30.10.2022
Article numberIMECE2022-94299, V004T06A012
ISBN (print)9780791886663
ISBN (electronic)978-0-7918-8666-3
DOIs
Publication statusPublished - 30.10.2022
Externally publishedYes
EventASME 2022 International Mechanical Engineering Congress and Exposition, IMECE 2022 - Greater Columbus Convention Center, Columbus, United States
Duration: 30.10.202203.11.2022
https://event.asme.org/IMECE-2022https://event.asme.org/IMECE-2022

Bibliographical note

Publisher Copyright:
Copyright © 2022 by ASME.

    Research areas

  • beam structures, biomimetics, component design, FEM, Topology optimization
  • Engineering

DOI

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