Feature-based method to formalise additive manufacturing related data at the mesoscale based on a mereotopological description

DS 122: Proceedings of the Design Society: 24th International Conference on Engineering Design (ICED23)

Year: 2023
Editor: Kevin Otto, Boris Eisenbart, Claudia Eckert, Benoit Eynard, Dieter Krause, Josef Oehmen, Nadège Troussier
Author: Douin, Chloe (1); Gruhier, Elise (1); Kromer, Robin (2); Christmann, Olivier (3); Perry, Nicolas (1)
Series: ICED
Institution: 1: I2M UMR 5295, Arts et Métiers ParisTech, Esplanade des Arts et Métiers, 33400 Talence, France; 2: Univ. Bordeaux, I2M UMR 5295, 33500 Gradignan, France; 3: LAMPA, Arts et Metiers ParisTech, 2 Boulevard du Ronceray, 49000 Angers, France
Section: Design Methods
Page(s): 1865-1874
DOI number: https://doi.org/10.1017/pds.2023.187


Research on additive manufacturing has highlighted methods and guidelines to optimise the design process and improving finished product quality. There is still room for improvement in making AM as reliable as more traditional processes when considering industrial use. In terms of manufacturing, managing print parameters properly can improve reproducibility and repeatability of a part, in addition to its fidelity to the basic geometric model. However, a topological optimised geometry requires more than good parameterisation. Efforts are therefore being made to formalise knowledge so that it is explicit and accessible to designers. This paper proposes an approach based on the spatio-temporal evolution of a geometry during printing to quantify data at the meso scale. Previous studies have been conducted on the description of features in time, space and space-time, and on the influence of their arrangement within a part. Building on this work, a parameterised test specimen was designed to measure the quantitative impact of these arrangements on the final product. The method is then presented and illustrated through a case study to help the designer with quantitative predictive values of geometric parameters.

Keywords: Additive Manufacturing, Design for Additive Manufacturing (DfAM), Design methods, Mereotopology, Design of Experiments

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