Exploració per autor "Rossi, Riccardo"
Ara es mostren els items 90-109 de 115
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Parallel adaptive mesh refinement for incompressible flow problems
Rossi, Riccardo; Cotela Dalmau, Jordi; Lafontaine, Nelson Maireni; Dadvand, Pooyan; Idelsohn Barg, Sergio Rodolfo (Elsevier, 2013-07)
Article
Accés obertThe present article describes a simple element-driven strategy for the conforming refinement of simplicial finite element meshes in a distributed environment. The proposed algorithm is effective both for local adaptive ... -
Parallel adaptive mesh refinement for incompressible flow problems
Cotela Dalmau, Jordi; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Lafontaine, Nelson Maireni; Idelsohn Barg, Sergio Rodolfo (2011)
Text en actes de congrés
Accés obertWe present an algorithm for the solution of the incompressible Navier- Stokes equations combined with local refinement of the mesh based on an error estimation. Our solution strategy is based on well-established CFD ... -
Physical and numerical modelization of the behavior of rockfi ll dams during overtopping scenarios
Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Toledo Municio, Miguel Ángel (CRC Press, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialIn recent years the technology on embankments dams has developed sensibly due to the advances in soil mechanic, and in all related sciences. Nevertheless their vulnerability to overtopping is still an open theme of discussion. ... -
Physical and numerical modelization of the behaviour of rockfill dams during overtopping scenarios
Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Toledo Municio, Miguel Ángel (CRC Press. Taylor & Francis Group, 2010)
Capítol de llibre
Accés restringit per política de l'editorial -
Possibilities of the particle finite element method in computational mechanics
Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Celigueta Jordana, Miguel Ángel; Rossi, Riccardo; Latorre, Salvador (2010)
Report de recerca
Accés obertWe present some developments in the formulation of the Particle Finite Element Method (PFEM) for analysis of complex coupled problems in fluid and solid mechanics accounting for fluid-structure interaction and coupled ... -
Procedimiento de diseño de protecciones tipo repié para evitar la rotura por deslizamiento en masa de presas de escollera sometidas a percolaciones extremas
Morán, Rafael; Alves, Ricardo; Toledo, Miguel Ángel; Larese De Tetto, Antonia; Salazar, Fernando; Rossi, Riccardo (Marcombo, 2013)
Text en actes de congrés
Accés restringit per política de l'editorialLa demanda de seguridad en infraestructuras críticas ha aumentado en los últimos años, especialmente en los países con mayor nivel de desarrollo económico y social. En estos países, el control del estado de la seguridad ... -
Realization of CAD-integrated shell simulation based on isogeometric B-Rep analysis
Teschemacher, Tobias; Bauer, Anna; Oberbichler, Thomas; Breitenberger, Micheal; Rossi, Riccardo; Wüchner, Roland; Bletzinger, Kai Uwe (Springer, 2018-12)
Article
Accés obertAn entire design-through-analysis workflow solution for isogeometric B-Rep analysis (IBRA), including both the interface to existing CADs and the analysis procedure, is presented. Possible approaches are elaborated for the ... -
Regularization of first order computational homogenization for multiscale analysis of masonry structures
Petracca, Massimo; Pelà, Luca; Rossi, Riccardo; Oller Martínez, Sergio Horacio; Camata, Guido; Spacone, Enrico (2016-02)
Article
Accés obertThis paper investigates the possibility of using classical first order computational homogenization together with a simple regularization procedure based on the fracture energy of the micro-scale-constituents. A generalized ... -
Safety analysis of rockfill dams during overspill phenomena
Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo (Bulgarian Committee on Large Dams, 2008)
Text en actes de congrés
Accés restringit per política de l'editorialAn increasing interest is rising on the study of rockfill embankment dams during overspilling. Design criteria of earth dams are being reviewed in many countries to guarantee an increasing safety level in front of an ... -
Scalable system for large unstructured mesh simulation
Pasenau, Miguel; Dadvand, Pooyan; Rossi, Riccardo; Cotela Dalmau, Jordi; Coll, Abel; Oñate Ibáñez de Navarra, Eugenio (Barcelona Supercomputing Center, 2011)
Text en actes de congrés
Accés obertDealing with large simulation is a growing challenge. Ideally for the wellparallelized software prepared for high performance, the problem solving capability depends on the available hardware resources. But in practice ... -
Simulating complex problems in civil engineering: the particle finite element method and beyond
Rossi, Riccardo; Larese De Tetto, Antonia; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo (2011)
Text en actes de congrés
Accés restringit per política de l'editorial -
Simulation of the beginning of failure in rockfill dams caused by overtopping
Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (CRC Press Taylor & Francis Group, 2015)
Capítol de llibre
Accés restringit per política de l'editorialIn the last decades, the technology of dam protection has undergone major advancements. The increasing demand for safety in modern society has created the need for cost-effective measures to protect critical infrastructure ... -
Simulation of two- and three-dimensional viscoplastic flows using adaptive mesh refinement
Cotela Dalmau, Jordi; Rossi, Riccardo; Larese De Tetto, Antonia (John Wiley & Sons, 2017-05-26)
Article
Accés obertThis paper presents a finite element solver for the simulation of steady non-Newtonian flow problems, using a regularized Bingham model, with adaptive mesh refinement capabilities. The solver is based on a stabilized ... -
Solution of Navier–Stokes equations on a fixed mesh using conforming enrichment of velocity and pressure
Tanyildiz, Deniz Cagri; Martí, Julio Marcelo; Rossi, Riccardo (Springer, 2020-01)
Article
Accés obertSimulation of fluid flows of multi-materials is an intriguing topic in computational mechanics. Capturing the physics of the interface between different materials poses a challenge because of the discontinuities that may ... -
Subdomain deflation combined with local AMG: a case study using AMGCL library
Demidov, D.; Rossi, Riccardo (Springer, 2020-04)
Article
Accés obertThe paper proposes a combination of the subdomain deflation method and local algebraic multigrid as a scalable distributed memory preconditioner that is able to solve large linear systems of equations. The implementation ... -
Theme B: simulation of the behavior of prototypes of rockfill dams during overtopping scenarios: seepage evolution and beginning of failure
Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio; Toledo Muñicio, Miguel Ángel; Morán Moya, Rafael; Campos, Hibber; Lara, Ángel; Viña Gómez, Mª del Pilar (2011)
Text en actes de congrés
Accés restringit per política de l'editorialIn recent years the technology on embankments dams has developed sensibly due to the advances in soil mechanic, and in all related sciences. Nevertheless their vulnerability to overtopping still remains their weakest point ... -
Thermo-mechanical homogenization of composite materials
Zaghi, Stefano; Martínez García, Javier; Rossi, Riccardo; Oller Martínez, Sergio Horacio (Asociación Española de Materiales Compuestos, 2015)
Text en actes de congrés
Accés obert -
Three dimensional modeling of liquid droplet spreading on solid surface: an enriched finite element/level-set approach
Hashemi, Mohammad Reza; Ryzhakov, Pavel; Rossi, Riccardo (2021-10)
Article
Accés obertA physically consistent approach is introduced to simulate dynamics of droplets in contact with solid substrates. The numerical method is developed by introducing the molecular–kinetic model within the framework of the ... -
Three embedded techniques for finite element heat flow problem with embedded discontinuities
Davari, Masud; Rossi, Riccardo; Dadvand, Pooyan (2017-06)
Article
Accés obertThe present paper explores the solution of a heat conduction problem considering discontinuities embedded within the mesh and aligned at arbitrary angles with respect to the mesh edges. Three alternative approaches are ... -
Toward droplet dynamics simulation in polymer electrolyte membrane fuel cells: three-dimensional numerical modeling of confined water droplets with dynamic contact angle and hysteresis
Hashemi, Mohammad Reza; Ryzhakov, Pavel; Rossi, Riccardo (2021-12)
Article
Accés obertThis work focuses on three-dimensional simulation of the dynamics of droplets with contact–angle hysteresis. In order to consistently model the dynamics of the contact– line, a combination of the linear molecular kinetic ...