Search Results - "Reali, A."

A simple algorithm for obtaining nearly optimal quadrature rules for NURBS-based isogeometric analysis by Auricchio, F., Calabrò, F., Hughes, T.J.R., Reali, A., Sangalli, G.

“…We develop new quadrature rules for isogeometric analysis based on the solution of a local nonlinear problem. A simple and robust algorithm is developed to…”
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Efficient quadrature for NURBS-based isogeometric analysis by Hughes, T.J.R., Reali, A., Sangalli, G.

“…We initiate the study of efficient quadrature rules for NURBS-based isogeometric analysis. A rule of thumb emerges, the “half-point rule”, indicating that…”
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GeoPDEs: A research tool for Isogeometric Analysis of PDEs by de Falco, C., Reali, A., Vázquez, R.

“…GeoPDEs ( http://geopdes.sourceforge.net) is a suite of free software tools for applications on Isogeometric Analysis (IGA). Its main focus is on providing a…”
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Studies of refinement and continuity in isogeometric structural analysis by Cottrell, J.A., Hughes, T.J.R., Reali, A.

“…We investigate the effects of smoothness of basis functions on solution accuracy within the isogeometric analysis framework. We consider two simple…”
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Isogeometric collocation for elastostatics and explicit dynamics by Auricchio, F., Beirão da Veiga, L., Hughes, T.J.R., Reali, A., Sangalli, G.

“…► We continue the development of Collocation methods for IGA. ► We focus on linear elasticity problems in any dimension, and develop a variational approach to…”
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Variational multiscale residual-based turbulence modeling for large eddy simulation of incompressible flows by Bazilevs, Y., Calo, V.M., Cottrell, J.A., Hughes, T.J.R., Reali, A., Scovazzi, G.

“…We present an LES-type variational multiscale theory of turbulence. Our approach derives completely from the incompressible Navier–Stokes equations and does…”
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Bending behavior of octet-truss lattice structures: Modelling options, numerical characterization and experimental validation by Korshunova, N., Alaimo, G., Hosseini, S.B., Carraturo, M., Reali, A., Niiranen, J., Auricchio, F., Rank, E., Kollmannsberger, S.

“…[Display omitted] •Process-induced defects affect the mechanical behavior of AM octet-truss lattices.•An immersed image-based workflow efficiently incorporates…”
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Phase-field modeling for polarization evolution in ferroelectric materials via an isogeometric collocation method by Fedeli, P., Frangi, A., Auricchio, F., Reali, A.

“…We herein use a (vectorial) phase-field model description of the evolution of ferroelectric domains to be coupled with the equations of electroelasticity, with…”
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Explicit higher-order accurate isogeometric collocation methods for structural dynamics by Evans, J.A., Hiemstra, R.R., Hughes, T.J.R., Reali, A.

“…The objective of the present work is to develop efficient, higher-order space- and time-accurate, methods for structural dynamics. To this end, we present a…”
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Isogeometric analysis of structural vibrations by Cottrell, J.A., Reali, A., Bazilevs, Y., Hughes, T.J.R.

“…This paper begins with personal recollections of John H. Argyris. The geometrical spirit embodied in Argyris’s work is revived in the sequel in applying the…”
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A 3-D phenomenological constitutive model for shape memory alloys under multiaxial loadings by Arghavani, J., Auricchio, F., Naghdabadi, R., Reali, A., Sohrabpour, S.

“…This paper presents a new phenomenological constitutive model for shape memory alloys, developed within the framework of irreversible thermodynamics and based…”
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Single-variable formulations and isogeometric discretizations for shear deformable beams by Kiendl, J., Auricchio, F., Hughes, T.J.R., Reali, A.

“…We present numerical formulations of Timoshenko beams with only one unknown, the bending displacement, and it is shown that all variables of the beam problem…”
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Simulation of transcatheter aortic valve implantation through patient-specific finite element analysis: Two clinical cases by Morganti, S, Conti, M, Aiello, M, Valentini, A, Mazzola, A, Reali, A, Auricchio, F

“…Abstract Transcatheter aortic valve implantation (TAVI) is a minimally invasive procedure introduced to treat aortic valve stenosis in elder patients. Its…”
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Avoiding shear locking for the Timoshenko beam problem via isogeometric collocation methods by Beirão da Veiga, L., Lovadina, C., Reali, A.

“…► We study isogeometric collocation methods for the Timoshenko beam problem. ► We show that locking-free solutions are obtained independently of the…”
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Isogeometric collocation: Neumann boundary conditions and contact by De Lorenzis, L., Evans, J.A., Hughes, T.J.R., Reali, A.

“…Isogeometric collocation methods have been proposed recently and their accuracy and efficiency demonstrated for elastostatics and explicit dynamics. This paper…”
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Isogeometric collocation methods for the Reissner–Mindlin plate problem by Kiendl, J., Auricchio, F., Beirão da Veiga, L., Lovadina, C., Reali, A.

“…Within the general framework of isogeometric methods, collocation schemes have been recently proposed as a viable and promising low-cost alternative to…”
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HIGAMod: A Hierarchical IsoGeometric Approach for MODel reduction in curved pipes by Perotto, S., Reali, A., Rusconi, P., Veneziani, A.

“…•We initiate to explore the combination of isogeometric analysis and HiMod•Isogeometric analysis is conveniently used for the axial discretization•An accurate…”
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Duality and unified analysis of discrete approximations in structural dynamics and wave propagation: Comparison of p-method finite elements with k-method NURBS by Hughes, T.J.R., Reali, A., Sangalli, G.

“…We study the discretization behavior of classical finite element and NURBS approximations on problems of structural vibrations and wave propagation. We find…”
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Testing UAV-derived topography for hydraulic modelling in a tropical environment by Mazzoleni, M., Paron, P., Reali, A., Juizo, D., Manane, J., Brandimarte, L.

“…The past few years have seen the raise of unmanned aerial vehicles (UAV) in geosciences for generating highly accurate digital elevation models (DEM) at low…”
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Elastic geobarometry for anisotropic inclusions in cubic hosts by Mazzucchelli, M.L., Reali, A., Morganti, S., Angel, R.J., Alvaro, M.

“…Mineral inclusions entrapped in other minerals may record the local stresses at the moment of their entrapment in the deep Earth. When rocks are exhumed to the…”
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