Rapid inverse design of metamaterials based on prescribed mechanical behavior through machine learning

CS Ha, D Yao, Z Xu, C Liu, H Liu, D Elkins… - Nature …, 2023 - nature.com
Designing and printing metamaterials with customizable architectures enables the
realization of unprecedented mechanical behaviors that transcend those of their constituent …

Broadband dynamic elastic moduli of honeycomb lattice materials: A generalized analytical approach

S Adhikari, T Mukhopadhyay, X Liu - Mechanics of Materials, 2021 - Elsevier
A generic analytical framework is proposed to obtain the dynamic elastic moduli of lattice
materials under steady-state vibration conditions. The dynamic deformation behaviour of the …

Extreme Specific Stiffness Through Interactive Cellular Networks in Bi‐Level Micro‐Topology Architected Metamaterials

D Kundu, S Ghuku, S Naskar… - Advanced Engineering …, 2023 - Wiley Online Library
Architected lattice materials, realized through artificial micro‐structuring, have drawn
tremendous attention lately due to their enhanced mechanical performances in …

Elastic programmable properties and dynamic dissipation of gradient unstable structures

S Ji, C Wang, Y Wei, Z Wang - International Journal of Mechanical Sciences, 2024 - Elsevier
Metamaterials derive promising properties mainly from an internal micromechanical
mechanism, rather than their chemical composition. Many interesting mechanical behaviors …

Localization and coalescence of imperfect planar FCC truss lattice metamaterials under multiaxial loadings

AS Bhuwal, T Liu, I Ashcroft, W Sun - Mechanics of Materials, 2021 - Elsevier
This study investigates the effect of stress triaxiality on the failure mechanisms of an-isotropic
perfect and imperfect planar FCC (Face Centred Cubic) truss lattice metamaterials. Three …

Energy dissipating architected materials with transversely curved tapes and independently tunable properties

KW Hector, G Jarrold, Y Cho, D Restrepo… - Extreme Mechanics …, 2023 - Elsevier
Compact, solid-state energy dissipators are desirable for a broad range of applications
including automotive crashworthiness, protective equipment for sports and military …

A bi-material concept for periodic dissipative lattices

AL Ruschel, FW Zok - Journal of the Mechanics and Physics of Solids, 2020 - Elsevier
Structural periodic lattices made of two or more dissimilar materials can be viewed
conceptually in terms of a spectrum of structure types, bounded by stretch-dominated lattices …

Column-based programmable damper for impact protection and vibration suppression of jacket structures

S Ji, Y Wei, C Wang - Ocean Engineering, 2024 - Elsevier
Steel jacket structures subjected to environmental impacts exhibit severe dynamic
responses, potentially causing local fatigue failure, plastic damage, and even catastrophic …

Energy dissipation and effective properties of a nominally elastic composite material

SS Shishvan, MHD Zarnagh, VS Deshpande - European Journal of …, 2022 - Elsevier
Composites such as architected metamaterials made from elastic materials can display
energy absorbing or dissipative behavior associated with snap-through and other …

[HTML][HTML] Design of non-linear, viscoelastic architected foams

MR Begley, P Ziemke, RG Chambers, MLP Echlin… - Materials & Design, 2024 - Elsevier
Flexible viscoelastic foams with relative density in the range of 5-50% are widely used to
control interaction forces, notably in cushions for impact protection, shoes, mechanical …