Browsing by Author "Oyarzun Altamirano, Guillermo"
Now showing items 1-12 of 12
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A hybrid parallel numerical model for wave-induced free-surface flow
(MDPI, 2021-10-04)
Article
Open AccessAn advanced numerical model is presented for the simulation of wave-induced free-surface flow, utilizing an efficient hybrid parallel implementation. The model is based on the solution of the Navier–Stokes equations using ... -
Direct numerical simulation of turbulent flows with parallel algorithms for various computing architectures
(International Association for Computational Mechanics (IACM), 2014)
Conference report
Restricted access - publisher's policyThe purpose of the work is twofold. Firstly, it is devoted to the development of efficient parallel algorithms for large-scale simulations of turbulent flows on different supercomputer architectures. It reports experience ... -
Efficient CFD code implementation for the ARM-based Mont-Blanc architecture
(Elsevier, 2017-09-20)
Article
Open AccessSince 2011, the European project Mont-Blanc has been focused on enabling ARM-based technology for HPC, developing both hardware platforms and system software. The latest Mont-Blanc prototypes use system-on-chip (SoC) devices ... -
Efficient CFD code implementation for the ARM-based Mont-Blanc architecture
(Elsevier, 2018-02)
Article
Open AccessSince 2011, the European project Mont-Blanc has been focused on enabling ARM-based technology for HPC, developing both hardware platforms and system software. The latest Mont-Blanc prototypes use system-on-chip (SoC) devices ... -
Heterogeneous CPU/GPU co-execution of CFD simulations on the POWER9 architecture: Application to airplane aerodynamics
(Elsevier, 2020-06)
Article
Open AccessHigh fidelity Computational Fluid Dynamics simulations are generally associated with large computing requirements, which are progressively acute with each new generation of supercomputers. However, significant research ... -
Heterogeneous parallel algorithms for computational fluid dynamics on unstructured meshes
(Universitat Politècnica de Catalunya, 2015-10-02)
Doctoral thesis
Open AccessFrontiers of computational fluid dynamics (CFD) are constantly expanding and eagerly demanding more computational resources. Currently, we are experiencing an rapid evolution in the high performance computing systems driven ... -
HPC² - A fully-portable, algebra-based framework for heterogeneous computing. Application to CFD
(Elsevier, 2018-09)
Article
Open AccessThe variety of computing architectures competing in the exascale race makes the portability of codes of major importance. In this work, the HPC2 code is presented as a fully-portable, algebra-based framework suitable for ... -
Memory aware poisson solver for peta-scale simulations with one FFT diagonalizable direction
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Open AccessProblems with some sort of divergence constraint are found in many disciplines: computational fluid dynamics, linear elasticity and electrostatics are examples thereof. Such a constraint leads to a Poisson equation which ... -
Optimising the Termofluids CFD code for petascale simulations
(2016)
Article
Open AccessThis paper presents some recent efforts carried out on the expansion of the scalability of TermoFluids multi-physics Computational Fluid Dynamics (CFD) code, aiming to achieve petascale capacity for a single simulation. ... -
Parallel SFC-based mesh partitioning and load balancing
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference lecture
Open AccessModern supercomputers allow the simulation of complex phenomena with increased accuracy. Eventually, this requires finer geometric discretizations with larger numbers of mesh elements. In this context, and extrapolating ... -
Portable implementation model for CFD simulations. Application to hybrid CPU/GPU supercomputers
(Taylor & Francis, 2017-10-27)
Article
Open AccessNowadays, high performance computing (HPC) systems experience a disruptive moment with a variety of novel architectures and frameworks, without any clarity of which one is going to prevail. In this context, the portability ... -
RHEA: an open-source Reproducible Hybrid-architecture flow solver Engineered for Academia
(The Open Journal, 2023-01-13)
Article
Open AccessThe 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 ...
