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 …

Zero modes activation to reconcile floppiness, rigidity, and multistability into an all-in-one class of reprogrammable metamaterials

L Wu, D Pasini - Nature Communications, 2024 - nature.com
Existing mechanical metamaterials are typically designed to either withstand loads as a stiff
structure, shape morph as a floppy mechanism, or trap energy as a multistable matter …

Multistability, symmetry and geometric conservation in eightfold waterbomb origami

M Grasinger, A Gillman… - Proceedings of the …, 2022 - royalsocietypublishing.org
The nonlinearities inherent in the mechanics of origami make it a rich design space for
multistable structures and mechanical metamaterials. Here, we investigate the multistability …

Easy-to-actuate multi-compatible truss structures with prescribed reconfiguration

L Ai, S Yin, W He, P Zhang, Y Li - Nature Communications, 2024 - nature.com
Multi-stable structures attract great interest because they possess special energy
landscapes with domains of attraction around the stable states. Consequently, multi-stable …

Lagrangian approach to origami vertex analysis: kinematics

M Grasinger, A Gillman… - … Transactions of the …, 2024 - royalsocietypublishing.org
The use of origami in engineering has significantly expanded in recent years, spanning
deployable structures across scales, folding robotics and mechanical metamaterials …

Thermal fluctuations (eventually) unfold nanoscale origami

M Grasinger, P Sharma - Journal of the Mechanics and Physics of Solids, 2024 - Elsevier
Origami is a scale invariant paradigm for morphing robotics, deployable structures (eg
satellites, disaster relief shelters, medical stents), and metamaterials with tunable thermal …

Derivation of an effective plate theory for parallelogram origami from bar and hinge elasticity

H Xu, I Tobasco, P Plucinsky - Journal of the Mechanics and Physics of …, 2024 - Elsevier
Periodic origami patterns made with repeating unit cells of creases and panels bend and
twist in complex ways. In principle, such soft modes of deformation admit a simplified …

Multistable compliant linkages with multiple kinematic paths separated by energy barriers

Z Lin, L Ai, H Feng, W He, Y Li - Extreme Mechanics Letters, 2024 - Elsevier
Multistable morphing structures can reconfigure between different stable states that are
separated by energy barriers, and one-degree-of-freedom (1-DOF) mechanisms have many …

Form-finding and structural analysis of deployable rigid folding structures using synchronized vector-based graphic statics and finite element method

Y Shen, J Wang, X Shen, Z Shi - Thin-Walled Structures, 2025 - Elsevier
This paper presents a computational framework for designing and analysing deployable
rigid folding plate structures by integrating Vector-based Graphic Statics (VGS) and Finite …

Intrinsically Multi‐Stable Spatial Linkages

T Zhou, C Huang, Z Miao, Y Li - Advanced Science, 2024 - Wiley Online Library
Multi‐stable structures can be reconfigured with fewer, lightweight, and less accurate
actuators. This is because the attraction domain in the multi‐stable energy landscape …