Pantographic metamaterials: an example of mathematically driven design and of its technological challenges

F Dell'Isola, P Seppecher, JJ Alibert… - Continuum Mechanics …, 2019 - Springer
In this paper, we account for the research efforts that have been started, for some among us,
already since 2003, and aimed to the design of a class of exotic architectured, optimized …

A targeted review on large deformations of planar elastic beams: extensibility, distributed loads, buckling and post-buckling

M Spagnuolo, U Andreaus - Mathematics and Mechanics of …, 2019 - journals.sagepub.com
In this paper, we give a targeted review of the state of the art in the study of planar elastic
beams in large deformations, also in the presence of geometric nonlinearities. The main …

Strain gradient and generalized continua obtained by homogenizing frame lattices

H Abdoul-Anziz, P Seppecher - Mathematics and mechanics of complex …, 2018 - msp.org
We determine the effective behavior of periodic structures made of welded elastic bars.
Taking into account the fact that flexural and torsional stiffnesses are much smaller than the …

Research perspective on multiphysics and multiscale materials: a paradigmatic case

A Ciallella - Continuum Mechanics and Thermodynamics, 2020 - Springer
Pantographic fabrics are presented as a paradigmatic example to discuss the research
perspective on multiphysics and multiscale materials. Reduced-order modeling, obtained by …

Linear pantographic sheets: existence and uniqueness of weak solutions

VA Eremeyev, F Dell'Isola, C Boutin, D Steigmann - Journal of Elasticity, 2018 - Springer
The well-posedness of the boundary value problems for second gradient elasticity has been
studied under the assumption of strong ellipticity of the dependence on the second …

[HTML][HTML] A study about the impact of the topological arrangement of fibers on fiber-reinforced composites: some guidelines aiming at the development of new ultra-stiff …

I Giorgio, A Ciallella, D Scerrato - International Journal of Solids and …, 2020 - Elsevier
Fiber-reinforced composites are materials that display a great potentiality in many
applications for their multifaceted features. The employment of curved fibers contributes to …

Qualitative pivot damage analysis in aluminum printed pantographic sheets: numerics and experiments

M Spagnuolo, K Barcz, A Pfaff, F Dell'Isola… - Mechanics Research …, 2017 - Elsevier
In this paper we present a model in which the motions of two families of beams constituting a
pantographic sheet, when described with two independent placement fields, allows to …

Determination of metamaterial parameters by means of a homogenization approach based on asymptotic analysis

H Yang, BE Abali, D Timofeev, WH Müller - Continuum mechanics and …, 2020 - Springer
By using modern additive manufacturing techniques, a structure at the millimeter length
scale (macroscale) can be produced showing a lattice substructure of micrometer …

Large in-plane elastic deformations of bi-pantographic fabrics: asymptotic homogenization and experimental validation

E Barchiesi, SR Eugster… - … and Mechanics of …, 2020 - journals.sagepub.com
Bi-pantographic fabrics are composed of two families of pantographic beams and
correspond to a class of architectured materials that are described in plane as second …

Are higher-gradient models also capable of predicting mechanical behavior in the case of wide-knit pantographic structures?

M Spagnuolo, ME Yildizdag… - … and Mechanics of …, 2021 - journals.sagepub.com
The central theme of this study is to investigate a remarkable capability of a second-gradient
continuum model developed for pantographic structures. The model is applied to a particular …