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 …
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 …
catastrophic buckling and notorious imperfection sensitivity. The central concept is the …
Magneto-active elastic shells with tunable buckling strength
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 …
even if, traditionally, this elastic instability has been regarded as a catastrophic phenomenon …
Snap buckling of bistable beams under combined mechanical and magnetic loading
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 …
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
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 …
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 …
and cylindrical shells loaded in axial compression is highly sensitive to imperfections and …
On the role of localizations in buckling of axially compressed cylinders
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 …
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 …
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 …
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
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 …
have widespread applications in a diversity of areas. The ability to miniaturize these …