Exploració per autor "Rossi, Riccardo"
Ara es mostren els items 87-106 de 116
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On the application of two-fluid flows solver to the casting problem
(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 ... -
On the use of ensemble averaging techniques to accelerate the Uncertainty Quantification of CFD predictions in wind engineering
(2022-09)
Article
Accés obertIn this work we focus on reducing the wall clock time required to compute statistical estimators of highly chaotic incompressible flows on high performance computing systems. Our approach consists of replacing a single ... -
On the validation of the particle finite element method (PFEM) for complex engineering fluid flow problems
(TU Delft, 2006)
Text en actes de congrés
Accés restringit per política de l'editorialSeveral comparisons between experiments and computational models are presented in the following pages. The objective is to verify the ability of Particle Finite Elements Methods (PFEM) [1] [2] to reproduce hydraulic phenomena ... -
Optimization-based level-set re-initialization: a robust interface preserving approach in multiphase problems
(Elsevier, 2024-02)
Article
Accés obertIn spite of its overall efficiency and robustness for capturing the interface in multiphase fluid dynamics simulations, the well-known shortcoming of the level-set method is associated with the lack of a systematic approach ... -
Parallel adaptive mesh refinement for incompressible flow problems
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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
(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 ...
