From Architectured Materials to Large-Scale Additive Manufacturing
The classical material-by-design approach has been extensively perfected by materials scientists, while engineers have been optimising structures geometrically for centuries. The purpose of architectured materials is to build bridges across themicroscale ofmaterials and themacroscale of engineering structures, to put some geometry in the microstructure. This is a paradigm shift. Materials cannot be considered monolithic anymore. Any set of materials functions, even antagonistic ones, can be envisaged in the future. In this paper, we intend to demonstrate the pertinence of computation for developing architectured materials, and the not-so-incidental outcome which led us to developing large-scale additive manufacturing for architectural applications.
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DIRRENBERGER, Justin; FOREST, Samuel; JEULIN, Dominique (Elsevier, 2014)The size of representative volume element (RVE) for 3D stochastic fibrous media is investigated. A statistical RVE size determination method is applied to a specific model of random microstructure: Poisson fibers. The ...
DUBALLET, Romain; BAVEREL, Olivier; DIRRENBERGER, Justin (Elsevier, 2017)In the present paper, a study is conducted on building systems associated with concrete extrusion-based additive manufacturing techniques. Specific parameters are highlighted - concerning scale, environment, support, and ...
DIRRENBERGER, Justin (TU Delft, 2016)Architectured materials are a rising class of materials that bring new possibilities in terms of functional properties, filling the gaps and pushing the limits of Ashby’s materials performance maps. Capitalizing on the ...
DUBALLET, Romain; BAVEREL, Olivier; DIRRENBERGER, Justin (Springer, 2018)This work focuses on the design of ultra-light concrete walls for individual or collective housing, the normative context being constrained masonry. It is stated that current block work building is very inefficient in terms ...
BIRONEAU, Adrien; DIRRENBERGER, Justin; SOLLOGOUB, Cyrille; MIQUELARD-GARNIER, Guillaume; ROLAND, Sébastien (Wiley, 2016)The size of representative microstructural samples obtained from atomic force microscopy is addressed in this paper. The case of an archetypal one-dimensional nanolayered polymer blend is considered. Image analysis is ...