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  1. Article

    Open Access

    Stress–strain curve and elastic behavior of the fibrotic lung with usual interstitial pneumonia pattern during protective mechanical ventilation

    Patients with acute exacerbation of lung fibrosis with usual interstitial pneumonia (EUIP) pattern are at increased risk for ventilator-induced lung injury (VILI) and mortality when exposed to mechanical venti...

    Roberto Tonelli, Raffaella Rizzoni, Salvatore Grasso in Scientific Reports (2024)

  2. Article

    Open Access

    Physiological effects of lung-protective ventilation in patients with lung fibrosis and usual interstitial pneumonia pattern versus primary ARDS: a matched-control study

    Although patients with interstitial pneumonia pattern (ILD-UIP) and acute exacerbation (AE) leading to severe acute respiratory failure may require invasive mechanical ventilation (MV), physiological data on l...

    Roberto Tonelli, Salvatore Grasso, Andrea Cortegiani, Lorenzo Ball in Critical Care (2023)

  3. No Access

    Article

    A Variational Derivation of Stoney-Like Formulas for Self-Stressed Bilayered Plates

    Since the beginning of the 20th century, it is known that the spontaneous bending of heterogeneous bilayered plates correlates with the self-stress due to the contrast in the material properties of the two lay...

    Antonio DiCarlo, Roberto Paroni, Raffaella Rizzoni in Journal of Elasticity (2023)

  4. No Access

    Chapter

    Derivation of Imperfect Interface Laws for Multi-Physic Composites by a Multiscale Approach: Theoretical and Numerical Studies

    In the present study, we focus our attention to a specific type of composite, constituted by two media, called the adherents, bonded together with a thin interphase layer, called the adhesive. We assume that t...

    Serge Dumont, Frederic Lebon in Developments and Novel Approaches in Biome… (2020)

  5. No Access

    Chapter and Conference Paper

    Interface Laws for Multi-physic Composites

    The paper describes the mechanical behavior of a composite constituted by two solids, bonded by a thin adhesive layer in a general multi-physic framework, by employing the asymptotic expansion technique. After...

    Michele Serpilli, Raffaella Rizzoni in Proceedings of XXIV AIMETA Conference 2019 (2020)

  6. No Access

    Article

    Derivation of a model of imperfect interface with finite strains and damage by asymptotic techniques: an application to masonry structures

    The proposed study aims to derive an imperfect interface model which couples finite strain and damaging. The governing equations are obtained via an asymptotic approach within the finite strain theory. Theoret...

    Maria Letizia Raffa, Frédéric Lebon, Raffaella Rizzoni in Meccanica (2018)

  7. No Access

    Article

    A model of imperfect interface with damage

    In this paper two models of damaged materials are presented. The first one describes a structure composed by two adherents and an adhesive which is micro-cracked and subject to two different regimes, one in tr...

    Elena Bonetti, Giovanna Bonfanti, Frédéric Lebon, Raffaella Rizzoni in Meccanica (2017)

  8. No Access

    Article

    A thermodynamical formulation for the constitutive modeling of a shape memory alloy with two martensite phases

    This paper presents a thermodynamical formulation for the one-dimensional constitutive model for shape memory alloys (SMAs) proposed by the authors in Marfia and Rizzoni (Eur J Mech A Solids 40:166–185, 2013) and...

    Raffaella Rizzoni, Sonia Marfia in Meccanica (2015)

  9. Article

    A tribute to my “Maestro” Gianpietro Del Piero

    Raffaella Rizzoni in Continuum Mechanics and Thermodynamics (2013)

  10. No Access

    Article

    Shape recovery behaviour of NiTi strips in bending: experiments and modelling

    We present a theoretical and experimental investigation of the bending recovery performances for a commercial NiTi shape memory alloy strip. We evaluate the mechanical properties and the shape setting paramete...

    Raffaella Rizzoni, Mattia Merlin, Daniele Casari in Continuum Mechanics and Thermodynamics (2013)

  11. No Access

    Chapter

    Numerical Analysis of Two Non-linear Soft Thin Layers

    In a first part, we consider a bar with extremities subject to a given displacement and made by two elastic bodies with linear stress-strain relation separated by an adhesive layer of thickness h. The material of...

    Frédéric Lebon, Raffaella Rizzoni in Mechanics, Models and Methods in Civil Eng… (2012)

  12. No Access

    Article

    A constrained theory for single crystal shape memory wires with application to restrained recovery

    The theory of thin wires developed in Dret and Meunier (Comptes Rendus de l’Académie des Sciences. Série I. Mathématique 337:143–147, 2003) is adapted to phase-transforming materials with large elastic moduli in ...

    Raffaella Rizzoni in Continuum Mechanics and Thermodynamics (2011)

  13. No Access

    Article

    Weak Local Minimizers in Finite Elasticity

    This paper deals with necessary conditions and sufficient conditions for a weak local minimum of the energy of a hyperelastic body. We consider anisotropic bodies of arbitrary shape, subject to prescribed disp...

    Gianpietro Del Piero, Raffaella Rizzoni in Journal of Elasticity (2008)

  14. No Access

    Article

    Pressurized Shape Memory Thin Films

    We study the behavior of a martensitic thin film with a hydrostatic pressure applied underneath the film. The problem is formulated in 3-D for a single crystal film of thickness h, and a Cosserat membrane theory ...

    Richard D. James, Raffaella Rizzoni in Journal of elasticity and the physical sci… (2000)

  15. No Access

    Chapter

    Pressurized Shape Memory Thin Films

    We study the behavior of a martensitic thin film with a hydrostatic pressure applied underneath the film. The problem is formulated in 3-D for a single crystal film of thickness h, and a Cosserat membrane theory ...

    Richard D. James, Raffaella Rizzoni in Advances in Continuum Mechanics and Thermo… (2000)