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 …

[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 …

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 discrete formulation of Kirchhoff rods in large-motion dynamics

I Giorgio - Mathematics and Mechanics of Solids, 2020 - journals.sagepub.com
A nonlinear model for the dynamics of a Kirchhoff rod in the three-dimensional space is
developed in the framework of a discrete elastic theory. The formulation avoids the use of …

[HTML][HTML] Enhanced Piola–Hencky discrete models for pantographic sheets with pivots without deformation energy: numerics and experiments

E Turco, A Misra, M Pawlikowski, F Dell'Isola… - International Journal of …, 2018 - Elsevier
The problem of the synthesis of second gradient (meta) materials, via architectured
microstructures made of micro-lattices, has been solved (Alibert et al., 2003; Seppecher et …

Computational analysis of vincristine loaded silk fibroin hydrogel for sustained drug delivery applications: Multiphysics modeling and experiments

Z Gharehnazifam, R Dolatabadi, M Baniassadi… - International Journal of …, 2021 - Elsevier
In this paper, silk fibroin hydrogel is used as a drug carrier for vincristine. To optimize drug
delivery, a multi-physics model is proposed that couples the deformation and diffusion fields …

[HTML][HTML] A Biot–Cosserat two-dimensional elastic nonlinear model for a micromorphic medium

I Giorgio, M De Angelo, E Turco, A Misra - Continuum Mechanics and …, 2020 - Springer
A possible strain energy density, incorporating Cosserat's micro-rotations and Biot's change
in porosity conferred by the microstructure geometry, is proposed in an elastic, two …

Material characterization and computations of a polymeric metamaterial with a pantographic substructure

H Yang, G Ganzosch, I Giorgio, BE Abali - Zeitschrift für angewandte …, 2018 - Springer
The development of additive manufacturing methods, such as 3D printing, allows the design
of more complex architectured materials. Indeed, the main structure can be obtained by …

[HTML][HTML] 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 …

Wrinkling in engineering fabrics: a comparison between two different comprehensive modelling approaches

I Giorgio, P Harrison, F Dell'Isola… - … of the Royal …, 2018 - royalsocietypublishing.org
We consider two 'comprehensive'modelling approaches for engineering fabrics. We
distinguish the two approaches using the terms 'semi-discrete'and 'continuum', reflecting …