Advances in pantographic structures: design, manufacturing, models, experiments and image analyses

F dell'Isola, P Seppecher, M Spagnuolo… - Continuum Mechanics …, 2019 - Springer
In the last decade, the exotic properties of pantographic metamaterials have been
investigated and different mathematical models (both discrete or continuous) have been …

[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 …

Lattice shells composed of two families of curved Kirchhoff rods: an archetypal example, topology optimization of a cycloidal metamaterial

I Giorgio - Continuum Mechanics and Thermodynamics, 2021 - Springer
A nonlinear elastic model for nets made up of two families of curved fibers is proposed. The
net is planar prior to the deformation, but the equilibrium configuration that minimizes the …

Deformation patterns in a second-gradient lattice annular plate composed of “spira mirabilis” fibers

A Ciallella, F D'Annibale, D Del Vescovo… - Continuum Mechanics …, 2023 - Springer
In this paper, we aim to explore the mechanical potentialities of a material made of an
orthogonal net of fibers arranged in logarithmic spirals. Therefore, an annular plate …

A simplified Kirchhoff–Love large deformation model for elastic shells and its effective isogeometric formulation

L Leonetti, D Magisano, A Madeo, G Garcea… - Computer Methods in …, 2019 - Elsevier
Abstract Isogeometric Kirchhoff–Love elements have received an increasing attention in
geometrically nonlinear analysis of elastic shells. Nevertheless, some difficulties still remain …

Generalized beam model for the analysis of wave propagation with a symmetric pattern of deformation in planar pantographic sheets

A Ciallella, I Giorgio, SR Eugster, NL Rizzi, F dell'Isola - Wave Motion, 2022 - Elsevier
Dynamics of pantographic sheets presents exotic aspects that deserve investigation. In this
paper, we focus the attention on some possible modalities of non-linear wave propagation in …

Second-grade elasticity of three-dimensional pantographic lattices: theory and numerical experiments

I Giorgio, F dell'Isola, DJ Steigmann - Continuum Mechanics and …, 2024 - Springer
A continuum theory of pantographic lattices, based on second-grade elasticity, is presented.
The proposed model is able to describe the mechanical behavior of a type of material …

A robust penalty coupling of non-matching isogeometric Kirchhoff–Love shell patches in large deformations

L Leonetti, FS Liguori, D Magisano, J Kiendl… - Computer Methods in …, 2020 - Elsevier
Abstract Isogeometric Kirchhoff–Love elements have been receiving increasing attention in
geometrically nonlinear analysis of thin shells because they make it possible to meet the C 1 …

Numerical identification of constitutive parameters in reduced-order bi-dimensional models for pantographic structures: application to out-of-plane buckling

M De Angelo, E Barchiesi, I Giorgio… - Archive of Applied …, 2019 - Springer
Mechanical properties are investigated for a class of microstructured materials with
promising applications. Specifically, we consider a composite material with orthogonal …

Stiffness optimization in nonlinear pantographic structures

B Desmorat, M Spagnuolo… - … and Mechanics of Solids, 2020 - journals.sagepub.com
Mechanical metamaterials are microstructured mechanical systems showing an overall
macroscopic behaviour that depends mainly on their microgeometry and microconstitutive …