We present a modular, reconfigurable system for building large structures. This system uses discrete lattice elements, called digital materials, to reversibly assemble ultralight structures that are 99.7% air and yet maintain sufficient specific stiffness for a variety of structural applications and loading scenarios. Design, manufacturing, and characterization of modular building blocks are described, including struts, nodes, joints, and build strategies. Simple case studies are shown using the same building blocks in three different scenarios: a bridge, a boat, and a shelter. Field implementation and demonstration is supplemented by experimental data and numerical simulation. A simplified approach for analyzing these structures is presented which shows good agreement with experimental results.
- Manufacturing Engineering Division
Meso-Scale Digital Materials: Modular, Reconfigurable, Lattice-Based Structures
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Jenett, B, Cellucci, D, Gregg, C, & Cheung, K. "Meso-Scale Digital Materials: Modular, Reconfigurable, Lattice-Based Structures." Proceedings of the ASME 2016 11th International Manufacturing Science and Engineering Conference. Volume 2: Materials; Biomanufacturing; Properties, Applications and Systems; Sustainable Manufacturing. Blacksburg, Virginia, USA. June 27–July 1, 2016. V002T01A018. ASME. https://doi.org/10.1115/MSEC2016-8767
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