Review on design and structural optimisation in additive manufacturing: Towards next-generation lightweight structures
By J. Plocher, A. Panesar. 2019
575 citations recorded by the source corpus.
Abstract As the application of additive manufacturing (AM) reaches an unprecedented scale in both academia and industry, a reflection upon the state-of-the-art developments in the design for additive manufacturing (DfAM) and structural optimisation, becomes vital for successfully shaping the future AM-landscape. A framework, highlighting both the interdependencies between these two central aspects in AM and the necessity for a holistic approach to structural optimization, using lightweight strategies such as topology optimization and/or latticing, was established to summarize the reviewed content. Primarily focusing on isotropic material considerations and basic stiffness-optimal problems, these concepts have already found wide application, bridging the gaps between design and manufacturing as well as academia and industry. In pursuit of streamlining the AM-workflow towards digitally print-ready designs, studies are increasingly investigating mathematically-based structural optimization approaches in conjunction with DfAM-specific constraints, providing a portfolio of solutions like generative design, which is gaining traction in industry. Besides an overview on economically-driven to performance-driven design optimizations, insight into commercial AM-specific software is provided, elucidating potentials and challenges for the community. Despite the abundance of AM design methods to-date, computationally inexpensive solutions for common engineering problems are still scarce, which is constituting one of many key challenges for the future.
Subfields: Automotive Engineering, Building and Construction, Civil and Structural Engineering
View Paper: https://www.semanticscholar.org/paper/24c28e8fad2ed0be7980239542297d5e02ee6ddb
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Citations in the corpus
- Review: The Impact of Metal Additive Manufacturing on the Aerospace Industry (2019, background): “Light-weighting has emerged as one of the main priorities in the fabrication of high-performance metal AM parts for aerospace applications, driven by the demand of achieving greater sustainability and efficiency without compromising the mechanical properties and the overall performance during servic”
- Wire and arc additive manufacturing: Opportunities and challenges to control the quality and accuracy of manufactured parts (2021, background): “Exclusion topics as reviewed elsewhere include mass transfer phenomena and topology optimization modelling [20], design methodologies and software [21,22], microstructural and materials related WAAM [23–25], in-process monitoring and in-machine surface metrology [26,27],mechanical properties [9,11,2”