Exploració per autor "Franci, Alessandro"
Ara es mostren els items 1-20 de 27
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3D regularized µ(I)-rheology for granular flows simulation
Franci, Alessandro; Cremonesi, Massimiliano (2019-02)
Article
Accés obertThis paper proposes two regularized models of the µ(I)-rheology and shows their application to the numerical simulation of 3D dense granular flows. The proposed regularizations are inspired by the Papanastasiou and ... -
3D simulation of Vajont disaster. Part 1: numerical formulation and validation
Franci, Alessandro; Cremonesi, Massimiliano; Perego, Umberto; Crosta, Giovanni Battista; Oñate Ibáñez de Navarra, Eugenio (2020-12)
Article
Accés obertThis work presents a numerical method for the simulation of landslides generated impulse waves and its application to the historical Vajont case study. The computational tool is based on the Particle Finite Element Method ... -
3D simulation of Vajont disaster. Part 2: multi-failure scenarios
Franci, Alessandro; Cremonesi, Massimiliano; Perego, Umberto; Oñate Ibáñez de Navarra, Eugenio; Crosta, Giovanni Battista (2020-12)
Article
Accés obertPrediction of multi-hazard slope stability events requires an informed and judicious choice of the possible scenarios. An incorrect definition of landslide conditions in terms of expected failure volume, material behavior, ... -
A fully Lagrangian formulation for fluid-structure interaction problems with free-surface flows and fracturing solids
Cornejo Velázquez, Alejandro; Franci, Alessandro; Zárate Araiza, José Francisco; Oñate Ibáñez de Navarra, Eugenio (2021-07)
Article
Accés obertThis paper presents a novel coupled formulation for fluid-structure interaction (FSI) problems involving free-surface fluid flows, fracture phenomena, solid mutual contact and large displacements. The numerical formulation ... -
A Lagrangian nodal integration method for free-surface fluid flows
Franci, Alessandro; Cremonesi, Massimiliano; Perego, Umberto; Oñate Ibáñez de Navarra, Eugenio (2020-04)
Article
Accés obertWe present a Lagrangian nodal integration method for the simulation of Newtonian and non-Newtonian free-surface fluid flows. The proposed nodal Lagrangian method uses a finite element mesh to discretize the computational ... -
A Lagrangian–Eulerian procedure for the coupled solution of the Navier–Stokes and shallow water equations for landslide-generated waves
Maso Sotomayor, Miguel; Franci, Alessandro; Pouplana Sarda, Ignasi de; Cornejo Velázquez, Alejandro; Oñate Ibáñez de Navarra, Eugenio (Springer, 2022-07-30)
Article
Accés obertThis work presents a partitioned method for landslide-generated wave events. The proposed strategy combines a Lagrangian Navier Stokes multi-fluid solver with an Eulerian method based on the Boussinesq shallow water ... -
A particle finite element method (PFEM) for coupled thermal analysis of quasi and fully incompressible flows and fluid-structure interaction problems
Oñate Ibáñez de Navarra, Eugenio; Franci, Alessandro; Carbonell Puigbó, Josep Maria (Springer, 2014)
Capítol de llibre
Accés restringit per política de l'editorialThis book presents and discusses mathematical models, numerical methods and computational techniques used for solving coupled problems in science and engineering. It takes a step forward in the formulation and solution of ... -
A state of the art review of the Particle Finite Element Method (PFEM)
Cremonesi, Massimiliano; Franci, Alessandro; Idelsohn Barg, Sergio Rodolfo; Oñate Ibáñez de Navarra, Eugenio (2020-11)
Article
Accés obertThe particle finite element method (PFEM) is a powerful and robust numerical tool for the simulation of multi-physics problems in evolving domains. The PFEM exploits the Lagrangian framework to automatically identify and ... -
A unified and modular coupling of particle methods with fem for civil engineering problems
Flores Flores, Carlos Eugenio; Sautter, Klaus Bernd; Bucher, Philipp; Cornejo Velázquez, Alejandro; Franci, Alessandro; Bletzinger, Kai Uwe; Wüchner, Roland (Springer, 2023)
Article
Accés obertIn this work, a modular coupling approach for particle methods with the FEM (finite element method) is presented. The proposed coupled strategy takes advantage from the ability of particle methods of dealing with large ... -
Application of the Particle Finite Element Method (PFEM) to the numerical simulation of landslides
Franci, Alessandro; Pouplana Sarda, Ignasi de; Celigueta Jordana, Miguel Ángel; Casas González, Guillermo; Oñate Ibáñez de Navarra, Eugenio; Cremonesi, Massimiliano (Innovation Center on Natural Hazards and Infrastructure (ICONHIC), 2019)
Text en actes de congrés
Accés restringit per política de l'editorialThis work explores the application of the Particle Finite Element Method (PFEM) to the simulation of landslides. The PFEM uses a Lagrangian description of the motion and an efficient remeshing algorithm to track accurately ... -
Combination of the finite element method and particle-based methods for predicting the failure of reinforced concrete structures under extreme water forces
Oñate Ibáñez de Navarra, Eugenio; Cornejo Velázquez, Alejandro; Zárate Araiza, José Francisco; Kashiyama, Kazuo; Franci, Alessandro (Elsevier, 2022-01)
Article
Accés obertWe present a combination of the Finite Element Method (FEM), the Particle Finite Element Method (PFEM), and the Discrete Element Method (DEM) for modeling and analyzing the failure of reinforced concrete structures under ... -
Dataset of the temperature rise during granular flows in a rotating drum
Nazareth López, Rafael; Kisuka, Francisco; Hare, Colin; Vivacqua, Vincenzino; Franci, Alessandro; Oñate Ibáñez de Navarra, Eugenio; Wu, Chuan Yu (Elsevier, 2023-06)
Article
Accés obertThis paper provides experimental data on the temperature rise during granular flows in a small-scale rotating drum due to heat generation. All heat is believed to be generated by conversion of some mechanical energy, through ... -
Effect of steel slag on compaction times of asphalt mixtures based on prediction of cooling curves
Benavides Alcívar, Julio Darío; Rangel, Rafael L.; Franci, Alessandro; Aponte Hernández, Diego Fernando (2024-03)
Article
Accés obertThis study investigates the thermal properties of asphalt mixtures incorporating steel slag as a potential substitute of natural aggregates in hot mix asphalt, precisely the BBTM11B type. The thermal properties were analysed ... -
Experimental and numerical study of heat generation by energy dissipation in a rotating drum filled with particulate material
Nazareth López, Rafael; Kisuka, Francisco; Wu, Chuan Yu; O'Sullivan, Catherine; Franci, Alessandro; Oñate Ibáñez de Navarra, Eugenio (2022)
Comunicació de congrés
Accés restringit per política de l'editorialThis work aims to investigate the generation of heat by dissipation of mechanical energy in particulate flows. The behavior of material in a rotating drum is considered in experimental and numerical analyses. In the physical ... -
Experimental investigation of heat generation during granular flow in a rotating drum using infrared thermography
Rangel, Rafael L.; Kisuka, Francisco; Hare, Colin L.; Vivacqua, Vincenzino; Franci, Alessandro; Oñate Ibáñez de Navarra, Eugenio; Wu, Chuan Yu (Elsevier, 2023-08)
Article
Accés obertGranular flow is common in many industrial applications, and involves heat generation from frictional contacts and inelastic collisions between particles. The self-heating process is still poorly understood despite being ... -
Finite element formulation for compressible multiphase flows and its application to pyroclastic gravity currents
Montanino, Andrea; Franci, Alessandro; Rossi, Riccardo; Zuccaro, Giulio (2022-02)
Article
Accés obertThe numerical modeling of compressible multiphase flows is of high interest for several engineering applications. In this work, we focus on the study of pyroclastic flows arising from volcanic eruptive events. An accurate ... -
Lagrangian finite element method with nodal integration for fluid–solid interaction
Franci, Alessandro (Springer, 2021-03)
Article
Accés obertThis work presents a fully Lagrangian Finite Element Method (FEM) with nodal integration for the simulation of fluid–structure interaction (FSI) problems. The Particle Finite Element Method (PFEM) is used to solve the ... -
Lagrangian particle-based simulation of waves: a comparison of SPH and PFEM approaches
Salis, Nicolò; Franci, Alessandro; Idelsohn Barg, Sergio Rodolfo; Reali, Alessandro; Manenti, Sauro (Springer, 2024-04)
Article
Accés obertLagrangian numerical methods are particularly suitable to reproduce flows involving large and rapid deformation of the domain, fluid splitting and coalescence, jets and sprays. The absence of the convective terms in the ... -
On the effect of standard PFEM remeshing on volume conservation in free-surface fluid flow problems
Franci, Alessandro; Cremonesi, Massimiliano (Springer, 2017-07)
Article
Accés obertThe aim of this work is to analyze the remeshing procedure used in the particle finite element method (PFEM) and to investigate how this operation may affect the numerical results. The PFEM remeshing algorithm combines the ... -
On the effect of the bulk tangent matrix in partitioned solution schemes for nearly incompressible fluids
Franci, Alessandro; Oñate Ibáñez de Navarra, Eugenio; Carbonell Puigbó, Josep Maria (John Wiley & Sons, 2015-04)
Article
Accés obertThe purpose of this paper is to study the effect of the bulk modulus on the iterative solution of free surface quasi-incompressible fluids using a mixed partitioned scheme. A practical rule to set up the value of a pseudo-bulk ...