Search Results - "Principe, Javier"

Assessment of variational multiscale models for the large eddy simulation of turbulent incompressible flows by Colomés, Oriol, Badia, Santiago, Codina, Ramon, Principe, Javier

“…In this work we study the performance of some variational multiscale models (VMS) in the large eddy simulation (LES) of turbulent flows. We consider VMS models…”
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FEMPAR: An Object-Oriented Parallel Finite Element Framework by Badia, Santiago, Martín, Alberto F., Principe, Javier

“…FEMPAR is an open source object oriented Fortran200X scientific software library for the high-performance scalable simulation of complex multiphysics problems…”
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The dissipative structure of variational multiscale methods for incompressible flows by Principe, Javier, Codina, Ramon, Henke, Florian

“…In this paper, we present a precise definition of the numerical dissipation for the orthogonal projection version of the variational multiscale method for…”
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Mixed finite element methods with convection stabilization for the large eddy simulation of incompressible turbulent flows by Colomés, Oriol, Badia, Santiago, Principe, Javier

“…The variational multiscale method thought as an implicit large eddy simulation model for turbulent flows has been shown to be an alternative to the widely used…”
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On the stabilization parameter in the subgrid scale approximation of scalar convection–diffusion–reaction equations on distorted meshes by Principe, Javier, Codina, Ramon

“…In this paper we revisit the definition of the stabilization parameter in the finite element approximation of the convection–diffusion–reaction equation. The…”
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On the scalability of inexact balancing domain decomposition by constraints with overlapped coarse/fine corrections by Badia, Santiago, Martín, Alberto F., Principe, Javier

“…•Design a overlapped coarse/fine implementation of inexact BDDC methods.•Boosted scalability compared to state-of-the-art implementations.•Analyze the effect…”
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Anisotropic variational mesh adaptation for embedded finite element methods by Rahmani, Saman, Baiges, Joan, Principe, Javier

“…Embedded or immersed boundary methods (IBM) are powerful mesh-based techniques that permit to solve partial differential equations (PDEs) in complex geometries…”
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A stabilized finite element method for modeling dispersed multiphase flows using orthogonal subgrid scales by Gravenkamp, Hauke, Codina, Ramon, Principe, Javier

“…We propose a finite-element formulation for simulating multi-component flows occupying the same domain with spatially varying concentrations. Each constituent…”
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Finite element dynamical subgrid-scale model for low Mach number flows with radiative heat transfer by Avila, Matias, Codina, R, Principe, Javier

“…Purpose – The purpose of this paper is to present a finite element approximation of the low Mach number equations coupled with radiative equations to account…”
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A massively parallel implementation of multilevel Monte Carlo for finite element models by Badia, Santiago, Hampton, Jerrad, Principe, Javier

“…The Multilevel Monte Carlo (MLMC) method has proven to be an effective variance-reduction statistical method for Uncertainty Quantification (UQ) in Partial…”
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Enhanced balancing Neumann-Neumann preconditioning in computational fluid and solid mechanics by Badia, Santiago, Martín, Alberto F., Príncipe, Javier

“…SUMMARYIn this work, we propose an enhanced implementation of balancing Neumann–Neumann (BNN) preconditioning together with a detailed numerical comparison…”
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Time dependent subscales in the stabilized finite element approximation of incompressible flow problems by Codina, Ramon, Principe, Javier, Guasch, Oriol, Badia, Santiago

“…In this paper we analyze a stabilized finite element approximation for the incompressible Navier–Stokes equations based on the subgrid-scale concept. The…”
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On the use of ensemble averaging techniques to accelerate the Uncertainty Quantification of CFD predictions in wind engineering by Tosi, Riccardo, Núñez, Marc, Pons-Prats, Jordi, Principe, Javier, Rossi, Riccardo

“…In this work we focus on reducing the wall clock time required to compute statistical estimators of highly chaotic incompressible flows on high performance…”
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A robust and scalable unfitted adaptive finite element framework for nonlinear solid mechanics by Badia, Santiago, Caicedo, Manuel A., Martín, Alberto F., Principe, Javier

“…In this work, we bridge standard Adaptive Mesh Refinement and coarsening (AMR) on scalable octree background meshes and robust unfitted Finite Element (FE)…”
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Dynamic subscales in the finite element approximation of thermally coupled incompressible flows by Codina, Ramon, Principe, Javier

“…In this paper, we propose a variational multiscale finite‐element approximation for the incompressible Navier–Stokes equations using the Boussinesq…”
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Large eddy simulation of low Mach number flows using dynamic and orthogonal subgrid scales by Avila, Matias, Codina, Ramon, Principe, Javier

“…•Thermal turbulence is studied from a strictly numerical point of view.•The formulation is based on the variational multiscale method.•The orthogonal subgrid…”
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A finite element dynamical nonlinear subscale approximation for the low Mach number flow equations by Avila, Matias, Principe, Javier, Codina, Ramon

“…► We present a stabilized finite element approximation of the low Mach number equations. ► It is based on the variational multiscale method and the concept of…”
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Subscales on the element boundaries in the variational two-scale finite element method by Codina, Ramon, Principe, Javier, Baiges, Joan

“…In this paper, we introduce a way to approximate the subscales on the boundaries of the elements in a variational two-scale finite element approximation to…”
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Spatial approximation of the radiation transport equation using a subgrid-scale finite element method by Avila, Matias, Codina, Ramon, Principe, Javier

“…In this paper we present stabilized finite element methods to discretize in space the monochromatic radiation transport equation. These methods are based on…”
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Numerical modeling of chlorine concentration in water storage tanks by Codina, Ramon, Principe, Javier, Muñoz, Christian, Baiges, Joan

“…Summary In this paper, we describe a numerical model to simulate the evolution in time of the hydrodynamics of water storage tanks, with particular emphasis on…”
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