Topology Optimized Architectures with Programmable Poisson's Ratio over Large Deformations

Anders Clausen; Fengwen Wang; Jakob S Jensen; Ole Sigmund; Jennifer A Lewis

doi:10.1002/adma.201502485

Topology Optimized Architectures with Programmable Poisson's Ratio over Large Deformations

Adv Mater. 2015 Oct 7;27(37):5523-7. doi: 10.1002/adma.201502485. Epub 2015 Aug 20.

Authors

Anders Clausen¹, Fengwen Wang¹, Jakob S Jensen², Ole Sigmund¹, Jennifer A Lewis³

Affiliations

¹ Department of Mechanical Engineering, Solid Mechanics, Technical University of Denmark, 2800, Kongens Lyngby, Denmark.
² Department of Electrical Engineering, Centre for Acoustic-Mechanical Micro Systems, Technical University of Denmark, 2800, Kongens Lyngby, Denmark.
³ School of Engineering and Applied Sciences, Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, MA, 02138, USA.

PMID: 26291030
DOI: 10.1002/adma.201502485

Abstract

Topology optimized architectures are designed and printed with programmable Poisson's ratios ranging from -0.8 to 0.8 over large deformations of 20% or more.

Keywords: 3D printing; Poisson's ratio; large deformations; material design; topology optimization.

Publication types

Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Validation Study

MeSH terms

Computer Simulation
Dimethylpolysiloxanes / chemistry
Materials Testing
Models, Theoretical*
Printing, Three-Dimensional*
Silicones / chemistry
Software
Tensile Strength

Substances

Dimethylpolysiloxanes
Silicones