Alya: Multiphysics engineering simulation toward exascale

M Vázquez, G Houzeaux, S Koric, A Artigues… - Journal of computational …, 2016 - Elsevier
Alya is a multi-physics simulation code developed at Barcelona Supercomputing Center
(BSC). From its inception Alya code is designed using advanced High Performance …

Fully coupled fluid‐electro‐mechanical model of the human heart for supercomputers

A Santiago, J Aguado‐Sierra… - … journal for numerical …, 2018 - Wiley Online Library
In this work, we present a fully coupled fluid‐electro‐mechanical model of a 50th percentile
human heart. The model is implemented on Alya, the BSC multi‐physics parallel code …

Improving stability of stabilized and multiscale formulations in flow simulations at small time steps

MC Hsu, Y Bazilevs, VM Calo, TE Tezduyar… - Computer Methods in …, 2010 - Elsevier
The objective of this paper is to show that use of the element-vector-based definition of
stabilization parameters, introduced in [TE Tezduyar, Computation of moving boundaries …

High-performance computing of wind turbine aerodynamics using isogeometric analysis

MC Hsu, I Akkerman, Y Bazilevs - Computers & Fluids, 2011 - Elsevier
In this article we present a high-performance computing framework for advanced flow
simulation and its application to wind energy based on the residual-based variational …

Large-scale CFD simulations of the transitional and turbulent regime for the large human airways during rapid inhalation

H Calmet, AM Gambaruto, AJ Bates, M Vázquez… - Computers in biology …, 2016 - Elsevier
The dynamics of unsteady flow in the human large airways during a rapid inhalation were
investigated using highly detailed large-scale computational fluid dynamics on a subject …

A massively parallel fractional step solver for incompressible flows

G Houzeaux, M Vázquez, R Aubry, JM Cela - Journal of Computational …, 2009 - Elsevier
This paper presents a parallel implementation of fractional solvers for the incompressible
Navier–Stokes equations using an algebraic approach. Under this framework, predictor …

Partitioned fluid-structure interaction on massively parallel systems

BW Uekermann - 2016 - mediatum.ub.tum.de
Today's multi-physics simulations suffer from a lack of either flexibility or scalability. Only
reconciling both will allow for translating the higher compute power of the forthcoming exa …

Wall‐modeled large‐eddy simulation in a finite element framework

H Owen, G Chrysokentis, M Avila, D Mira… - … Methods in Fluids, 2020 - Wiley Online Library
This work studies the implementation of wall modeling for large‐eddy simulation in a finite
element context. It provides a detailed description of how the approach used by the finite …

Extension of fractional step techniques for incompressible flows: The preconditioned Orthomin (1) for the pressure Schur complement

G Houzeaux, R Aubry, M Vázquez - Computers & Fluids, 2011 - Elsevier
The objective of this paper is to present different fractional step schemes in the algebraic
context to solve the incompressible Navier–Stokes equations, test them and pick the best …

Computational modelling of nasal respiratory flow

H Calmet, K Inthavong, H Owen… - Computer methods in …, 2020 - Taylor & Francis
CFD has emerged as a promising diagnostic tool for clinical trials, with tremendous
potential. However, for real clinical applications to be useful, overall statistical findings from …