Strut-Based Cellular to Shellular Funicular Materials
In article number 202109725, Ph.D. candidates Mostafa Akbari (Weitzman) and Armin Mirabolghasemi (McGill University), and Mohammad Bolhassani (Weitzman), Abdolhamid Akbarzadeh (McGill University), and Masoud Akbarzadeh (Weitzman) report 3D/polyhedral graphic statics as a topological design methodology for realizing strut/shellular-based funicular materials with tunable mechanical properties ranging from bending- to stretching-dominated and metafluidic behavior. This approach reveals geometric relations of the truss system architecture, topological dual, and equilibrium of forces in architected cellular solids using dual reciprocal diagrams. The approach is scale-independent and can be applied to design the architecture of metamaterials in a micro-scale and infrastructural systems in macro-scale.
Akbari and Mirabolghasemi contributed equally to this work. This research was funded by the National Science Foundation CAREER Award (NSF CAREER-1944691 CMMI) and the National Science Foundation Future Eco Manufacturing Research Grant (NSF, FMRG-CMMI 2037097) to Dr. Masoud Akbarzadeh, and by the Natural Sciences and Engineering Research Council of Canada (RGPIN-2016-0471) and Canada Research Chairs program in Multifunctional Metamaterials to Dr. Hamid Akbarzadeh. The authors acknowledge the contribution of Hossein Mofatteh, AM3L laboratory at McGill University, in the 3D printing process.