Happy catastrophe: recent progress in analysis and exploitation of elastic instability

AR Champneys, TJ Dodwell, RMJ Groh… - Frontiers in Applied …, 2019 - frontiersin.org
A synthesis of recent progress is presented on a topic that lies at the heart of both structural
engineering and non-linear science. The emphasis is on thin elastic structures that lose …

Probing shells against buckling: a nondestructive technique for laboratory testing

JMT Thompson, JW Hutchinson… - International Journal of …, 2017 - World Scientific
This paper addresses testing of compressed structures, such as shells, that exhibit
catastrophic buckling and notorious imperfection sensitivity. The central concept is the …

Magneto-active elastic shells with tunable buckling strength

D Yan, M Pezzulla, L Cruveiller, A Abbasi… - Nature …, 2021 - nature.com
Shell buckling is central in many biological structures and advanced functional materials,
even if, traditionally, this elastic instability has been regarded as a catastrophic phenomenon …

Snap buckling of bistable beams under combined mechanical and magnetic loading

A Abbasi, TG Sano, D Yan… - … Transactions of the …, 2023 - royalsocietypublishing.org
We investigate the mechanics of bistable, hard-magnetic, elastic beams, combining
experiments, finite-element modelling (FEM) and a reduced-order theory. The beam is made …

Finding transition state and minimum energy path of bistable elastic continua through energy landscape explorations

G Wan, SJ Avis, Z Wang, X Wang… - Journal of the …, 2024 - Elsevier
Mechanical bistable structures have two stable equilibria and can transit between them
under external stimuli. Due to their unique behaviors such as snap-through and substantial …

[HTML][HTML] Imperfections and energy barriers in shell buckling

JW Hutchinson, JMT Thompson - International Journal of Solids and …, 2018 - Elsevier
The elastic buckling of shell structures such as spherical shells subject to external pressure
and cylindrical shells loaded in axial compression is highly sensitive to imperfections and …

On the role of localizations in buckling of axially compressed cylinders

RMJ Groh, A Pirrera - Proceedings of the Royal Society …, 2019 - royalsocietypublishing.org
The collapse of axially compressed cylinders by buckling instability is a classic problem in
engineering mechanics. We revisit the problem by considering fully localized post-buckling …

An updated Lagrangian framework for Isogeometric Kirchhoff–Love thin-shell analysis

MD Alaydin, DJ Benson, Y Bazilevs - Computer Methods in Applied …, 2021 - Elsevier
We propose a comprehensive Isogeometric Kirchhoff–Love shell framework that is capable
of undergoing large elasto-plastic deformations. Central to this development, we reformulate …

Robust knockdown factors for the design of spherical shells under external pressure: Development and validation

HNR Wagner, C Hühne, S Niemann - International Journal of Mechanical …, 2018 - Elsevier
In this paper a physically based and deterministic design procedure for spherical shells
under external pressure is introduced. Within the new design concept the membrane energy …

Rapidly deployable and morphable 3D mesostructures with applications in multimodal biomedical devices

F Zhang, S Li, Z Shen, X Cheng… - Proceedings of the …, 2021 - National Acad Sciences
Structures that significantly and rapidly change their shapes and sizes upon external stimuli
have widespread applications in a diversity of areas. The ability to miniaturize these …