Search Results - "Benvenuti, E."

Extended virtual element method for the Laplace problem with singularities and discontinuities by Benvenuti, E., Chiozzi, A., Manzini, G., Sukumar, N.

“…In this paper, we propose the extended virtual element method (X-VEM) to treat singularities and crack discontinuities that arise in the Laplace problem. The…”
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A regularized XFEM framework for embedded cohesive interfaces by Benvenuti, E.

“…This work focuses on XFEM modeling of elastodamaging interfaces characterized by regularized kinematics. After regularization of the displacement…”
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Equivalent polynomials for quadrature in Heaviside function enriched elements by Ventura, G., Benvenuti, E.

“…SummaryOne of the advantages of partition‐of‐unity FEMs, like the extended FEM, is the ability of modeling discontinuities independent of the mesh structure…”
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Extended virtual element method for two-dimensional linear elastic fracture by Benvenuti, E., Chiozzi, A., Manzini, G., Sukumar, N.

“…In this paper, we propose an eXtended Virtual Element Method (X-VEM) for two-dimensional linear elastic fracture. This approach, which is an extension of the…”
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Modeling mixed mode cracking in concrete through a regularized extended finite element formulation considering aggregate interlock by Benvenuti, E., Orlando, N.

“…Mixed mode cracking in concrete keeps being a challenging issue in computational fracture mechanics. While uncracked concrete develops cracks perpendicular to…”
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An orthotropic multi-surface damage-plasticity FE-formulation for wood: Part I – Constitutive model by Benvenuti, E., Orlando, N., Gebhardt, C., Kaliske, M.

“…•The present study formulates a novel FE constitutive model with multi-surface plasticity and anisotropic multi-surface damage.•The model correctly captures…”
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Mechanics of tensegrity cell units incorporating asymmetry and insights into mollitaxis by Benvenuti, E, Reho, G A, Palumbo, S, Fraldi, M

“…The mechanical response of a contractile cell anchored to the substrate through focal adhesions is studied by means of an asymmetric pre-strained tensegrity…”
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An orthotropic multi-surface damage-plasticity FE-formulation for wood: Part II – Numerical applications by Benvenuti, E., Orlando, N., Gebhardt, C., Kaliske, M.

“…•We consider damage under tensile/shear stresses and plasticity.•The model transitions from the continuous damage plasticity regime of Part I to a regularized…”
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Actomyosin contractility and buckling of microtubules in nucleation, growth and disassembling of focal adhesions by Palumbo, S., Benvenuti, E., Fraldi, M.

“…Building up and maintenance of cytoskeletal structure in living cells are force-dependent processes involving a dynamic chain of polymerization and…”
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Early post-surgical cognitive dysfunction is a risk factor for mortality among hip fracture hospitalized older persons by Ruggiero, C., Bonamassa, L., Pelini, L., Prioletta, I., Cianferotti, L., Metozzi, A., Benvenuti, E., Brandi, G., Guazzini, A., Santoro, G. C., Mecocci, P., Black, D., Brandi, M. L.

“…Summary This study investigates the relationship between cognitive dysfunction or delirium detected in the early post-surgical phase and the 1-year mortality…”
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Pre-strains and buckling in mechanosensitivity of contractile cells and focal adhesions: A tensegrity model by Benvenuti, E., Reho, G.A., Palumbo, S., Fraldi, M.

“…We demonstrate that several key aspects of the contractile activity of a cell interacting with the substrate can be captured by means of a non linear elastic…”
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Engineering of keratin functionality for the realization of bendable all-biopolymeric micro-electrode array as humidity sensor by Natali, M., Campana, A., Posati, T., Benvenuti, E., Prescimone, F., Ramirez, D.O. Sanchez, Varesano, A., Vineis, C., Zamboni, R., Muccini, M., Aluigi, A., Toffanin, S.

“…The technological quest for flexible devices to be interfaced with the biological world has driven the recent reinvention of bioderived polymers as…”
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A regularized XFEM model for the transition from continuous to discontinuous displacements by Benvenuti, E., Tralli, A., Ventura, G.

“…This work focuses on the modelling through the extended finite element method of structural problems characterized by discontinuous displacement. As a model…”
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One-dimensional nonlocal and gradient elasticity: Assessment of high order approximation schemes by Malagù, M., Benvenuti, E., Duarte, C.A., Simone, A.

“…•We examine high-order approximation schemes for nonlocal elastic problems.•We consider the integro-differential and the strain gradient formulations.•The…”
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Preliminary comparative serological evaluation of Histamine H2 receptors in dogs with an acute onset of vomiting treated with Ranitidine and healthy dogs by Bottero, E., Benvenuti, E., Ferriani, R., Manassero, E., Re, G., Barbero, R.

“…•Ranitidine (RT) is an antagonist against H2 histamine receptors (H2R) that weakly suppress acid secretion in patients. Despite that a clinical effect is often…”
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Epidemiology of hip and knee pain in a community based sample of Italian persons aged 65 and older by Cecchi, F., M.D, Mannoni, A., M.D, Molino-Lova, R., M.D, Ceppatelli, S., M.D, Benvenuti, E., M.D, Bandinelli, S., M.D, Lauretani, F., M.D, Macchi, C., M.D, Ferrucci, L., M.D., Ph.D

“…Summary Objective To describe prevalence, characteristics and correlates of hip pain (HP) and knee pain (KP) in an Italian community based cohort aged 65 and…”
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Epidemiology of back pain in a representative cohort of italian persons 65 years of age and older : The InCHIANTI study by CECCHI, Francesca, DEBOLINI, Pierluigi, LOVA, Raffaello Molino, MACCHI, Claudio, BANDINELLI, Stefania, BARTALI, Benedetta, LAURETANI, Fulvio, BENVENUTI, Enrico, HICKS, Gregory, FERRUCCI, Luigi

“…Clinico-epidemiologic study in the Chianti area (Tuscany, Italy). To describe prevalence and correlates of back pain in a representative sample of the…”
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An implicit gradient type of static failure criterion for mixed-mode loading by TOVO, R, LIVIERI, P, BENVENUTI, E

“…This paper proposes a new criterion for the prediction of static failure load of structural components made of linear brittle-elastic material affected by high…”
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New aspects of the insulin resistance syndrome : impact on haematological parameters by BARBIERI, M, RAGNO, E, BENVENUTI, E, ZITO, G. A, CORSI, A, FERRUCCI, L, PAOLISSO, G

“…Previous studies have shown that insulin has an important in vitro role in the regulation of human erythropoiesis. We investigated whether in vivo…”
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One-dimensional nonlocal and gradient elasticity: Closed-form solution and size effect by Benvenuti, E., Simone, A.

“…► We present a procedure for the solution of 1D nonlocal elasticity problems. ► Closed-form solutions are derived for nonlocal and local/nonlocal constitutive…”
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