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Browsing by Author "Rossi, Riccardo"
Now showing items 1-20 of 126
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A 1D lumped-parameter/3D CFD approach for pressure drop in the aortic coarctation
(Springer, 2012)
Conference report
Restricted access - publisher's policyAortic Coarctation is a congenital constriction of the aorta that increases blood pressure above the constriction and hinders the flow below it. Based on a 3D surface mesh of a moderate thoracic coarctation, a high quality ... -
A compressible Lagrangian framework for the simulation of the underwater implosion of large air bubbles
(2013-03)
Article
Restricted access - publisher's policyA fully Lagrangian compressible numerical framework for the simulation of underwater implosion of a large air bubble is presented. Both air and water are considered compressible and the equations for the Lagrangian shock ... -
A compressible Lagrangian framework for the simulation of underwater implosion problems
(Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2013)
Book
Open AccessThe development of efficient algorithms to understand implosion dynamics presents a number of challenges. The foremost challenge is to efficiently represent the coupled compressible fluid dynamics of internal air and ... -
A contact algorithm for shell problems via Delaunay-based meshing of the contact domain
(2013-07)
Article
Restricted access - publisher's policyThe simulation of the contact within shells, with all of its different facets, represents still an open challenge in Computational Mechanics. Despite the effort spent in the development of techniques for the simulation of ... -
A coupled Eulerian-PFEM model for the simulation of overtopping in rockfill dams
(Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2012)
Book
Open Access -
A cut finite element method for the solution of the full-potential equation with an embedded wake
(Springer, 2019-05)
Article
Open AccessPotential flow solvers represent an appealing alternative for the simulation of non-viscous subsonic flows. In order to deliver accurate results, such techniques require prescribing explicitly the so called Kutta condition, ... -
A discontinuous Nitsche-based finite element formulation for the imposition of the Navier-slip condition over embedded volumeless geometries
(2021-09)
Article
Open AccessThis work describes a novel formulation for the simulation of incompressible Navier–Stokes problems involving nonconforming discretizations of membrane-like bodies. The new proposal relies on the use of a modified finite ... -
A fast and accurate method to solve the incompressible Navier-Stokes equations
(2013-02)
Article
Restricted access - publisher's policyPurpose: The purpose of this paper is to highlight the possibilities of a novel Lagrangian formulation in dealing with the solution of the incompressible Navier-Stokes equations with very large time steps. Design/meth ... -
A FIC-based stabilized finite element formulation for turbulent flows
(2017-03)
Article
Open AccessWe present a new stabilized finite element (FEM) formulation for incompressible flows based on the Finite Increment Calculus (FIC) framework. In comparison to existing FIC approaches for fluids, this formulation involves ... -
A kinematically stabilized linear tetrahedral finite element for compressible and nearly incompressible finite elasticity
(2023-07)
Article
Open AccessWe propose a stabilized linear tetrahedral finite element method for static, finite elasticity problems involving compressible and nearly incompressible materials. Our approach relies on a mixed formulation, in which the ... -
A locally extended finite element method for the simulation of multi-fluid flows using the Particle Level Set method
(2015-09)
Article
Open AccessThe simulation of immiscible two-phase flows on Eulerian meshes requires the use of special techniques to guarantee a sharp definition of the evolving fluid interface. This work describes the combination of two distinct ... -
A machine learning based material homogenization technique for in-plane loaded masonry walls
(Elsevier, 2025-07)
Article
Restricted access - publisher's policyIn recent years, significant advancements have been made in computational methods for analyzing masonry structures. Within the Finite Element Method, two primary approaches have gained traction: Micro and Macro Scale ... -
A memory-efficient MultiVector Quasi-Newton method for black-box Fluid-Structure Interaction coupling
(2023-01)
Article
Open AccessIn this work we present a novel Quasi-Newton technique for the black-box partitioned coupling of interface coupled problems. The new RandomiZed Multi-Vector Quasi-Newton method stems from the combination of the original ... -
A mixed Lagrangian and Eulerian FSI approach for simulation of overtopping on embankment dams
(CIMNE (Centro Internacional de Métodos Numéricos en Ingeniería), 2009)
Conference report
Open AccessThe present work is concerned with some recent advances in FSI simulations with particular emphasis on the simulation of rockfill dams during extreme phenomena. The final objective is the study of the consequences of an ... -
A modified Finite Element formulation for the imposition of the slip boundary condition over embedded volumeless geometries
(2019-08)
Article
Open AccessThis work describes a novel formulation for the simulation of Navier–Stokes problems including embedded objects. The new proposal is based on the use of a modified finite element space, which replaces the standard one ... -
A modified fractional step approach
(2011)
Conference report
Open AccessWe propose here a methodology for improving mass-conservation features of the fractional-step schemes on moving grids applied to viscous incompressible flows containing free surfaces. The idea is to find a better approximation ... -
A monolithic Lagrangian approach for fluid-structure interaction problems
(2010-11)
Article
Restricted access - publisher's policyCurrent work presents a monolithic method for the solution of fluid–structure interaction problems involving flexible structures and free-surface flows. The technique presented is based upon the utilization of a Lagrangian ... -
A parallel dynamic asynchronous framework for uncertainty quantification by hierarchical Monte Carlo algorithms
(Springer Nature, 2021-09-13)
Article
Open AccessThe necessity of dealing with uncertainties is growing in many different fields of science and engineering. Due to the constant development of computational capabilities, current solvers must satisfy both statistical ... -
A portable OpenCL-based unstructured edge-based Finite Element Navier-Stokes solver on graphics hardware
(Elsevier, 2013-07)
Article
Open AccessThe rise of GPUs in modern high-performance systems increases the interest in porting portion of codes to such hardware. The current paper aims to explore the performance of a portable state-of-the-art FE solver on GPU ... -
A reduced-order model based on the coupled 1D-3D finite element simulations for an efficient analysis of hemodynamics problems
(2014-05)
Article
Open AccessA reduced-order model for an efficient analysis of cardiovascular hemodynamics problems using multiscale approach is presented in this work. Starting from a patient-specific computational mesh obtained by medical imaging ...
