Printing non-euclidean solids
Zurlo, Giuseppe Truskinovsky, Lev
Zurlo, Giuseppe
Truskinovsky, Lev
Publication Date
2017-07-26
Type
Article
Downloads
Citation
Zurlo, Giuseppe; Truskinovsky, Lev (2017). Printing non-euclidean solids. Physical Review Letters 119 (4),
Abstract
Geometrically frustrated solids with a non-Euclidean reference metric are ubiquitous in biology and are becoming increasingly relevant in technological applications. Often they acquire a targeted configuration of incompatibility through the surface accretion of mass as in tree growth or dam construction. We use the mechanics of incompatible surface growth to show that geometrical frustration developing during deposition can be fine-tuned to ensure a particular behavior of the system in physiological (or working) conditions. As an illustration, we obtain an explicit 3D printing protocol for arteries, which guarantees stress uniformity under inhomogeneous loading, and for explosive plants, allowing a complete release of residual elastic energy with a single cut. Interestingly, in both cases reaching the physiological target requires the incompatibility to have a topological (global) component.
Funder
Publisher
American Physical Society (APS)
Publisher DOI
Rights
Attribution-NonCommercial-NoDerivs 3.0 Ireland