ArticleNature communications2024
Suppressing torsional buckling in auxetic meta-shells.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- In Silico Evaluation of an Elastomeric Membrane for Prolapse Repairs.Urogynecology (Philadelphia, Pa.) · 2026Article
- Chiral multi-curved shell metamaterials integrating compression-torsion and buckling mechanisms for ideal energy absorption.Nature communications · 2025Article
- Machine learning-enabled inverse design of bioinspired layered composite structures with maximum auxetic performance.Communications engineering · 2025Article
- Pre-Torsion Tubular Metamaterials: Multi-Effect Integration for Advanced Functional Applications.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Take a thin cylindrical shell and twist it; it will buckle immediately. Such unavoidable torsional buckling can lead to systemic failure, for example by disrupting the blood flow through arteries. In this study, we prevent this torsional buckling instability using a combination of auxeticity and orthotropy in cylindrical metamaterial shells with a holey pattern. When the principal axes of the orthotropic meta-shell are relatively aligned with that of the compressive component of the applied stress during twisting, the meta-shell uniformly shrinks in the radial direction as a result of a local buckling instability. This shrinkage coincides with a softening-stiffening transition that leads to ordered stacking of unit cells along the compressive component of the applied stress. These transitions due to local instabilities circumvent the usual torsional instability even under a large twist angle. This study highlights the potential of tailoring anisotropy and programming instabilities in metamaterials, with potential applications in designing mechanical elements for soft robotics, biomechanics or fluidics. As an example of such applications, we demonstrate soft torsional compressor for generating pulsatile flows through a torsion release mechanism.
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Registered trials
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