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Dudek KK, Gatt R, Mizzi L, et al. On the dynamics and control of mechanical properties of hierarchical rotating rigid unit auxetics. Sci Rep. 2017;7:46529doi: 10.1038/srep46529.
Dudek, K. K., Gatt, R., Mizzi, L., Dudek, M. R., Attard, D., Evans, K. E., & Grima, J. N. (2017). On the dynamics and control of mechanical properties of hierarchical rotating rigid unit auxetics. Scientific reports, 746529. https://doi.org/10.1038/srep46529
Dudek, Krzysztof K, et al. "On the dynamics and control of mechanical properties of hierarchical rotating rigid unit auxetics." Scientific reports vol. 7 (2017): 46529. doi: https://doi.org/10.1038/srep46529
Dudek KK, Gatt R, Mizzi L, Dudek MR, Attard D, Evans KE, Grima JN. On the dynamics and control of mechanical properties of hierarchical rotating rigid unit auxetics. Sci Rep. 2017 Apr 26;7:46529. doi: 10.1038/srep46529. PMID: 28443646; PMCID: PMC5405418.
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Sci Rep. 2017 Apr 26;7:46529. doi: 10.1038/srep46529.

On the dynamics and control of mechanical properties of hierarchical rotating rigid unit auxetics.

Scientific reports

Krzysztof K Dudek, Ruben Gatt, Luke Mizzi, Mirosław R Dudek, Daphne Attard, Kenneth E Evans, Joseph N Grima

Affiliations

  1. Metamaterials Unit, Faculty of Science, University of Malta, Msida MSD 2080, Malta.
  2. Institute of Physics, University of Zielona Gora, ul. Szafrana 4a, 65-069 Zielona Gora, Poland.
  3. College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QF, UK.
  4. Department of Chemistry, Faculty of Science, University of Malta, Msida MSD 2080, Malta.

PMID: 28443646 PMCID: PMC5405418 DOI: 10.1038/srep46529

Abstract

In this work, we investigate the deformation mechanism of auxetic hierarchical rotating square systems through a dynamics approach. We show how their deformation behaviour, hence their mechanical properties and final configuration for a given applied load, can be manipulated solely by altering the resistance to rotational motion of the hinges within the system. This provides enhanced tunability without necessarily changing the geometry of the system, a phenomenon which is not typically observed in other non-hierarchical unimode auxetic systems. This gives this hierarchical system increased versatility and tunability thus making it more amenable to be employed in practical application which may range from smart filtration to smart dressings.

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