Impact of node geometry on the effective stiffness of non-slender three-dimensional truss lattice architectures

CM Portela, JR Greer, DM Kochmann - Extreme mechanics letters, 2018 - Elsevier
Abstract Three-dimensional (3D), lattice-based micro-and nano-architected materials can
possess desirable mechanical properties that are unattainable by homogeneous materials …

Anisotropic hyperelastic constitutive models for finite deformations combining material theory and data-driven approaches with application to cubic lattice …

M Fernández, M Jamshidian, T Böhlke… - Computational …, 2021 - Springer
This work investigates the capabilities of anisotropic theory-based, purely data-driven and
hybrid approaches to model the homogenized constitutive behavior of cubic lattice …

[HTML][HTML] Negative stiffness honeycombs as tunable elastic metamaterials

BM Goldsberry, MR Haberman - Journal of applied physics, 2018 - pubs.aip.org
Acoustic and elastic metamaterials are media with a subwavelength structure that behave as
effective materials displaying atypical effective dynamic properties. These material systems …

[HTML][HTML] Mechanical response of 3-dimensional tensegrity lattices

JJ Rimoli, RK Pal - Composites Part B: Engineering, 2017 - Elsevier
Most available techniques for the design of tensegrity structures can be grouped in two
categories. On the one hand, methods that rely on the systematic application of topological …

Survey on equivalent continuum modeling for truss structures and their nonlinear dynamics and vibration control

M Liu, D Cao, J Wei - Journal of Vibration Engineering & Technologies, 2022 - Springer
Purpose With the development of engineering structures towards the direction of large-
scale, light-weight and multi-function, truss structures are utilized widely in the aerospace …

Material modeling for parametric, anisotropic finite strain hyperelasticity based on machine learning with application in optimization of metamaterials

M Fernández, F Fritzen… - International Journal for …, 2022 - Wiley Online Library
Mechanical metamaterials such as open‐and closed‐cell lattice structures, foams,
composites, and so forth can often be parametrized in terms of their microstructural …

Nonlinear dynamic responses of beamlike truss based on the equivalent nonlinear beam model

M Liu, D Cao, X Zhang, J Wei, D Zhu - International Journal of Mechanical …, 2021 - Elsevier
The main goal of this paper is to develop an equivalent nonlinear beam model (ENBM) for
forced vibration analysis of the nonlinear beamlike truss (NBT) and its numerical …

[图书][B] Linear and nonlinear waves in microstructured solids: homogenization and asymptotic approaches

IV Andrianov, J Awrejcewicz, V Danishevskyy - 2021 - taylorfrancis.com
This book uses asymptotic methods to obtain simple approximate analytic solutions to
various problems within mechanics, notably wave processes in heterogeneous materials …

A hierarchical programmable mechanical metamaterial unit cell showing metastable shape memory

MF Berwind, A Kamas, C Eberl - Advanced Engineering …, 2018 - Wiley Online Library
Hierarchically structuring materials open the door to a wide range of unexpected and
uniquely designed properties. This work presents a novel mechanical metamaterial unit cell …

[HTML][HTML] Viscoelastic truss metamaterials as time-dependent generalized continua

RN Glaesener, JH Bastek, F Gonon, V Kannan… - Journal of the …, 2021 - Elsevier
Mechanical metamaterials provide tailorable functionality based on a careful combination of
base material and structural architecture. Truss-based metamaterials, eg, exploit structural …