Topological Optimization in Engineering Design

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Industrial Technologies".

Deadline for manuscript submissions: closed (30 October 2021) | Viewed by 3793

Special Issue Editor


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Guest Editor
Lawrence Livermore National Laboratory, Livermore, CA 94550, USA
Interests: topological design; design optimization; large scale simulations; coupled multi-physics

Special Issue Information

Dear Colleagues,

Topological optimization is a rapidly growing research area. Initially developed for finding the optimal layout of pure mechanical structures, it was extended later to a number of other engineering disciplines, such as the design of fluid flow, heat transfer, coupled multi-physics, and material-science problems. Nowadays, the technology accounts for uncertainties in the materials and the geometry, stages in the production process, and additional manufacturing requirements. However, despite the fast development, many challenging issues remain open. Therefore, research and review papers are sought in any area advancing or consolidating existing and new knowledge in the general field of topological design and optimization. In addition to applications in the fields mentioned above, example topics include new design and optimization algorithms, software implementations, machine learning applications, novel algorithms linking topology optimization with other optimization methods, alternative discretizations, and fabrication processes.

Dr. Boyan Stefanov Lazarov
Guest Editor

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Keywords

  • topology optimization
  • multi-scale design
  • multi-physics
  • coupled shape and topology optimization, design for manufacturing

Published Papers (1 paper)

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22 pages, 7863 KiB  
Article
Optimized One-Click Development for Topology-Optimized Structures
by Tobias Rosnitschek, Rick Hentschel, Tobias Siegel, Claudia Kleinschrodt, Markus Zimmermann, Bettina Alber-Laukant and Frank Rieg
Appl. Sci. 2021, 11(5), 2400; https://0-doi-org.brum.beds.ac.uk/10.3390/app11052400 - 08 Mar 2021
Cited by 6 | Viewed by 2625
Abstract
Topology optimization is a powerful digital engineering tool for the development of lightweight products. Nevertheless, the transition of obtained design proposals into manufacturable parts is still a challenging task. In this article, the development of a freeware framework is shown, which uses a [...] Read more.
Topology optimization is a powerful digital engineering tool for the development of lightweight products. Nevertheless, the transition of obtained design proposals into manufacturable parts is still a challenging task. In this article, the development of a freeware framework is shown, which uses a hybrid topology optimization algorithm for stiffness and strength combined with manufacturing constraints based on finite spheres and a two-step smoothing algorithm to design manufacturable prototypes with “one click”. The presented workflow is shown in detail on a rocker, which is “one-click”-optimized and manufactured. These parts were experimentally tested using a universal testing machine. The objective of this article was to investigate the performance of “one-click”-optimized parts in comparison with manually redesigned optimized parts and the initial design space. The test results show that the design proposals created while applying the finite-spheres and two-step smoothing are equal to the manual redesigned parts based on the optimization results, proposing that the “one-click”-development can be used for the fast and direct development and fabrication of prototypes. Full article
(This article belongs to the Special Issue Topological Optimization in Engineering Design)
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