Design for additive manufacture (DfAM): the “equivalent continuum material” for cellular structures analysis

Afrodisio Vega; Fabio Tenegi; Juan Francisco Márquez; Juan Calvo; Hermine Schnetler; Carolyn Atkins; Chris Miller; Katherine Morris; Robert M. Snell; Bart van de Vorst; Joris Dufils; Leon Brouwers; Mélanie Roulet; Emmanuel Hugot; Szigfrid Farkas; Gyorgy Mezo

doi:10.1117/12.2560999

13 December 2020 Design for additive manufacture (DfAM): the “equivalent continuum material” for cellular structures analysis

Afrodisio Vega, Fabio Tenegi, Juan Francisco Márquez, Juan Calvo, Hermine Schnetler, Carolyn Atkins, Chris Miller, Katherine Morris, Robert M. Snell, Bart van de Vorst, Joris Dufils, Leon Brouwers, Mélanie Roulet, Emmanuel Hugot, Szigfrid Farkas, Gyorgy Mezo

Author Affiliations +

Proceedings Volume 11450, Modeling, Systems Engineering, and Project Management for Astronomy IX; 1145028 (2020) https://doi.org/10.1117/12.2560999
Event: SPIE Astronomical Telescopes + Instrumentation, 2020, Online Only

Conference Poster

Abstract

Additive manufacturing (AM) offers many advantages, including material savings, lightening, design freedom, function integration, etc. In the case of cellular materials, regular structures (lattice and honeycomb) are particularly important due to their ability to reduce weight. However, the design process and FEM analysis of this type of structure is very high time-consuming. In order to mitigate this problem, we propose a modelling method, called "Equivalent Continuum Material", based on the treatment of a cellular material as a continuous mass. This document describes the method and presents examples of applications, to facilitate and understand its use.

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Afrodisio Vega, Fabio Tenegi, Juan Francisco Márquez, Juan Calvo, Hermine Schnetler, Carolyn Atkins, Chris Miller, Katherine Morris, Robert M. Snell, Bart van de Vorst, Joris Dufils, Leon Brouwers, Mélanie Roulet, Emmanuel Hugot, Szigfrid Farkas, and Gyorgy Mezo "Design for additive manufacture (DfAM): the “equivalent continuum material” for cellular structures analysis", Proc. SPIE 11450, Modeling, Systems Engineering, and Project Management for Astronomy IX, 1145028 (13 December 2020); https://doi.org/10.1117/12.2560999

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