Exploració per autor "Jofre Cruanyes, Lluís"
Ara es mostren els items 47-66 de 75
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Near-interface flow modeling in large-eddy simulation of two-phase turbulence
Jofre Cruanyes, Lluís; Dodd, Michael S.; Grau Barceló, Joan; Torres Cámara, Ricardo (2020-11-11)
Article
Accés obertThe smallest hydrodynamic length scales in two-phase turbulence are located at the interface between phases, or fluids, as a result of two-way coupling phenomena. Typically, these interface-generated scales are several ... -
Near-interface modeling in large-eddy simulation of two-phase turbulent flow
Jofre Cruanyes, Lluís; Dodd, Michael S. (2020)
Text en actes de congrés
Accés obertThe smallest hydrodynamic length scales in interfacial turbulent flow are located at the interface between phases/fluids as a result of two-way coupling phenomena. These interface-generated scales are, typically, several ... -
Non-dissipative large-eddy simulation of high-pressure transcritical turbulent flows: formulation and a priori analysis
Bernades, Marc; Jofre Cruanyes, Lluís; Capuano, Francesco (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
Text en actes de congrés
Accés obertThis work presents a filtered set of equations suitable for the large-eddy simulation of high-pressure transcritical turbulent flows. The formulation is derived from a novel kinetic-energy- and pressureequilibrium- preserving ... -
Numerical simulation of incompressible two phase flows by conservative level set method
Balcázar Arciniega, Néstor; Jofre Cruanyes, Lluís; Lehmkuhl Barba, Oriol; Rigola Serrano, Joaquim; Castro González, Jesús (Budapest University of Technology and Economics, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialA numerical formulation for the Conservative Level-Set Method of Olsson and Kreiss is implemented using the finite volume approach. Both convective term of the interface advection equation and compression term of the ... -
Numerical simulation of multiphase immiscible flow on unstructured meshes
Jofre Cruanyes, Lluís (Universitat Politècnica de Catalunya, 2014-07-25)
Tesi
Accés obertThe present thesis aims at developing a basis for the numerical simulation of multiphase flows of immiscible fluids. This approach, although limited by the computational power of the present computers, is potentially very ... -
Numerical study of the incompressible Richtmyer-Meshkov instability. Interface tracking methods on general meshes
Jofre Cruanyes, Lluís; Balcázar Arciniega, Néstor; Lehmkuhl Barba, Oriol; Castro González, Jesús; Oliva Llena, Asensio (2012)
Text en actes de congrés
Accés obertThe numerical simulation of interfacial and free surface flows is a vast and interesting topic in the areas of engineering and fundamental physics, such as the study of liquid-gas interfaces, formation of droplets, bubbles ... -
On diffuse-interface modeling of high-pressure transcritical fuel sprays
Jofre Cruanyes, Lluís (2015)
Report de recerca
Accés obert -
On interfacial transport in transcritical flows of liquid fuels into high-pressure combustors
Jofre Cruanyes, Lluís (2016)
Report de recerca
Accés obert -
On the wireless microwave sensing of bacterial membrane potential in microfluidic-actuated platforms
Jofre Cruanyes, Marc; Jofre Cruanyes, Lluís; Jofre Roca, Lluís (Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-14)
Article
Accés obertThe investigation of the electromagnetic properties of biological particles in microfluidic platforms may enable microwave wireless monitoring and interaction with the functional activity of microorganisms. Of high relevance ... -
Parallel load balancing strategy for Volume-of-Fluid methods on 3-D unstructured meshes
Jofre Cruanyes, Lluís; Borrell Pol, Ricard; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio (2015-02-01)
Article
Accés obertl Volume-of-Fluid (VOF) is one of the methods of choice to reproduce the interface motion in the simulation of multi-fluid flows. One of its main strengths is its accuracy in capturing sharp interface geometries, although ... -
Parallelization study of a VOF/Navier-Stokes model for 3D unstructured staggered meshes
Jofre Cruanyes, Lluís; Lehmkuhl Barba, Oriol; Borrell Pol, Ricard; Castro González, Jesús; Oliva Llena, Asensio (2011)
Comunicació de congrés
Accés obertThe numerical simulation of interfacial and free surface flows is a vast and interesting topic in the areas of engineering and fundamental physics, such as the study of liquid-gas interfaces, formation of droplets, bubbles ... -
Pass-efficient methods for compression of high-dimensional turbulent flow data
Jofre Cruanyes, Lluís (2017)
Report de recerca
Accés obert -
Pass-efficient methods for compression of high-dimensional turbulent flow data
Jofre Cruanyes, Lluís (2020-12-15)
Article
Accés obertThe future of high-performance computing, specifically on future Exascale computers, will presumably see memory capacity and bandwidth fail to keep pace with data generated, for instance, from massively parallel partial ... -
Rapid aerodynamic shape optimization under uncertainty using a stochastic gradient approach
Jofre Cruanyes, Lluís; Doostan, Alireza (2022-06-30)
Article
Accés obertA common approach in aerodynamic design is to optimize a performance function—provided some constraints—defined by a choice of an aerodynamic model at nominal operating conditions. Practical experience indicates that such ... -
RHEA: an open-source Reproducible Hybrid-architecture flow solver Engineered for Academia
Jofre Cruanyes, Lluís; Abdellatif, Ahmed Mohammed Abdelfattah; Oyarzun Altamirano, Guillermo (The Open Journal, 2023-01-13)
Article
Accés obertThe study of complex multiscale flows (Groen et al., 2014), like for example the motion of small-scale turbulent eddies over large aerodynamic structures (Jofre & Doostan, 2022), microconfined high-pressure supercritical ... -
Scalar source tracking in turbulent environments using deep reinforcement learning
Jofre Cruanyes, Lluís (2018)
Report de recerca
Accés obert -
Small-scale flow topologies in decaying isotropic turbulence laden with finite-size droplets
Dodd, Michael S.; Jofre Cruanyes, Lluís (2019)
Article
Accés obertThe topology of the fine-scale motions in decaying isotropic turbulence laden with droplets of super-Kolmogorov size is investigated using results from direct numerical simulations. The invariants of the velocity-gradient, ... -
Soleil-X: turbulence, particles, and radiation in the Regent programming language
Torres, Hilario; Papadakis, Manolis; Jofre Cruanyes, Lluís (2019)
Text en actes de congrés
Accés obertThe Predictive Science Academic Alliance Program (PSAAP) II at Stanford University is developing an exascale-ready multi-physics solver to investigate particle-laden turbulent flows in a radiation environment for solar ... -
Suitability of immersed-boundary methods for high-fidelity computational aeroacoustics
Grau Barceló, Joan; Torres Cámara, Ricardo; Jofre Cruanyes, Lluís; Capuano, Francesco (2023)
Text en actes de congrés
Accés obertThis work presents a preliminary assessment of the suitability of the immersed boundary method (IBM) for high-fidelity direct sound computations. A ghost-cell IBM is implemented in conjunction with a recently developed ... -
Superheterodyne microwave system for the detection of bioparticles with coplanar electrodes on a microfluidic platform
Palacios Arias, César Augusto; Jofre Cruanyes, Marc; Jofre Cruanyes, Lluís; Romeu Robert, Jordi; Jofre Roca, Lluís (2022-04-08)
Article
Accés obertThe combination of microwave and microfluidic technologies has the potential to enable wireless monitoring and interaction with bioparticles, facilitating, in this way, the exploration of a still largely uncharted territory ...