Tools for the numerical solution of inverse problems in structural mechanics: review and research perspectives

E Turco - European Journal of Environmental and Civil …, 2017 - Taylor & Francis
In this work, the author gives a review of the state of the art on the computational strategies
developed for the analysis of inverse problems. Starting from the definition of the inverse …

Identification of two-dimensional pantographic structure via a linear D4 orthotropic second gradient elastic model

L Placidi, U Andreaus, I Giorgio - Journal of Engineering Mathematics, 2017 - Springer
A linear elastic second gradient orthotropic two-dimensional solid that is invariant under 90^
∘ 90∘ rotation and for mirror transformation is considered. Such anisotropy is the most …

Constitutive models for strongly curved beams in the frame of isogeometric analysis

A Cazzani, M Malagù, E Turco… - … and Mechanics of …, 2016 - journals.sagepub.com
The current development of the isogeometric approach in various fields of mechanics is
explained by the high-accuracy results which can be achieved at a reduced computational …

Numerical identification procedure between a micro-Cauchy model and a macro-second gradient model for planar pantographic structures

I Giorgio - Zeitschrift für angewandte Mathematik und Physik, 2016 - Springer
In order to design the microstructure of metamaterials showing high toughness in extension
(property to be shared with muscles), it has been recently proposed (Dell'Isola et al. in Z …

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 …

Isogeometric analysis: a powerful numerical tool for the elastic analysis of historical masonry arches

A Cazzani, M Malagù, E Turco - Continuum Mechanics and …, 2016 - Springer
We illustrate a numerical tool for analyzing plane arches such as those frequently used in
historical masonry heritage. It is based on a refined elastic mechanical model derived from …

A simple non-linear model for internal friction in modified concrete

D Scerrato, I Giorgio, A Madeo, A Limam… - International Journal of …, 2014 - Elsevier
In this paper we consider a two-degrees-of-freedom, non-linear model aiming to describe
internal friction phenomena which have been observed in some modified concrete …

A microscale second gradient approximation of the damage parameter of quasi‐brittle heterogeneous lattices

A Rinaldi, L Placidi - ZAMM‐Journal of Applied Mathematics …, 2014 - Wiley Online Library
Lattice models are powerful tools to investigate damage processes in quasi‐brittle material
by a microscale perspective. Starting from prior work on a novel rational damage theory for a …

Nonlinear dynamic response of a base-excited SDOF oscillator with double-side unilateral constraints

U Andreaus, M De Angelis - Nonlinear Dynamics, 2016 - Springer
The aim of this paper was to study the dynamic response of a single-degree-of-freedom
(SDOF) oscillator exited by a base acceleration and constrained by two unilateral constraints …

Experimental and numerical analysis of frictional contact scenarios: from macro stick–slip to continuous sliding

D Tonazzi, F Massi, L Baillet, A Culla, M Di Bartolomeo… - Meccanica, 2015 - Springer
This work is an in-depth analysis of frictional phenomena including macroscopic stick–slip
and mode coupling instabilities, which can occur at different scales ranging from …