Cellular structures from additive processes: design, homogenization and experimental validation
Article dans une revue avec comité de lecture
The importance of lightweight structures in many fields of engineering is well known since long time. The innovations in technological processes based on material addiction allow pushing the design towards challenging geometries and associated structural properties. Engineered materials like lattice structures can be theoretically used to modify the local material properties and strength with minimization of the mass of components; in practice, several issues are still to be solved in stabilization of additive processes and achieving repeatable structures able to pass qualification procedures. At this purpose, dedicated experimental and design methods like those reported in this paper are needed.
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Article dans une revue avec comité de lectureBERTOLINO, Giulia; MONTEMURRO, Marco; DE PASQUALE, Giorgio (Springer Verlag, 2019)This study deals with the problem of the least-weight design of a lattice structure subject to constraints of different nature. To face this problem, a general multi-scale optimisation procedure is proposed. This approach ...
Conférence invitéeBERTOLINO, Giulia; COSTA, Giulio; MONTEMURRO, Marco; PERRY, Nicolas; POURROY, Franck (2019)In this work, a new semi-automatic surface reconstruction procedure is proposed. The main goal of the method is to reconstruct the boundary surface of a triangulation obtained as a result of a topology optimisation ...
Article dans une revue avec comité de lectureBERTOLINO, Giulia; MONTEMURRO, Marco; PERRY, Nicolas; POURROY, Franck (Wiley, 2021)An efficient and general surface reconstruction strategy is presented in this study. The proposed approach can deal with both open and closed surfaces of genus greater than or equal to zero and it is able to approximate ...
Thermo-mechanical homogenisation of cork-based composites: variability in materials properties and propagation of uncertainty Conférence invitéeDELUCIA, Marco; CATAPANO, Anita; MONTEMURRO, Marco; PAILHES, Jérôme (2019)The last decades have been characterized by a growth of raw material demand, in particular due to the consumerism in developed countries and to the fast industrialization of emerging economies. Nowadays, with the aim to ...
Article dans une revue avec comité de lectureDELUCIA, Marco; CATAPANO, Anita; MONTEMURRO, Marco; PAILHES, Jérôme (SAGE Publications, 2019)In this paper, a general numerical homogenisation scheme coupled with an efficient modelling strategy for predicting the effective thermoelastic properties of cork-based agglomerates is presented. In order to generate a ...