Ponències/Comunicacions de congressos: Enviaments recents
Ara es mostren els items 13-24 de 82
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11th EGU Galileo Conference: Solid Earth and Geohazards in the Exascale Era Consensual Document
(2023)
Working paper
Accés obertThe 11th Galileo Conference of the European Geosciences Union (EGU) focused on "Solid Earth and Geohazards in the Exascale Era." This abstract presents the main outcomes and conclusions from the conference breakout sessions, ... -
Progress with applications of three-ion ICRF scenarios for fusion research: A review
(American Institute of Physics Publishing, 2023)
Article
Accés obertThe viability of magnetic confinement fusion as an energy source depends on achieving the high ion temperatures required for D-T fusion. Among the available techniques, plasma heating with waves in the ion cyclotron range ... -
Data-driven wall modeling for Large Eddy Simulation of non-equilibrium flows: preliminary studies
(Parallel Computational Fluid Dynamics (ParCFD), 2022)
Text en actes de congrés
Accés restringit per política de l'editorialThe availability of high fidelity data due to the recent developments in high-performance computing(HPC), has opened new doors for wall modeling in Large Eddy Simulation(LES). By augmenting the physics-based model with ... -
Assessment of tabulated chemistry models for the les of a model aero-engine combustor
(Global Power and Propulsion Society (GPPS), 2022)
Comunicació de congrés
Accés obertTabulated chemistry methods present a compromise between computational cost and the ability to capture complex combustion physics in high-fidelity numerical simulations. The application of such models entails a number of ... -
Influence of axial air injection on the flame stability of a technically premixed hydrogen flame
(Global Power and Propulsion Society (GPPS), 2022)
Text en actes de congrés
Accés obertThis work is a numerical investigation on the stability of a hydrogen flame in a swirl-stabilized burner configuration using large-eddy simulation with tabulated chemistry. Experimental results from this combustor showed ... -
Including in Situ Visualization and Analysis in PDI
(Springer Nature, 2021)
Comunicació de congrés
Accés obertThe goal of this work was to integrate in situ possibilities into the general-purpose code-coupling library PDI [1]. This is done using the simulation code Alya as an example. Here, an open design is taken into account to ... -
RosneT: A block tensor algebra library for out-of-core quantum computing simulation
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés obertWith the advent of more powerful Quantum Computers, the need for larger Quantum Simulations has boosted. As the amount of resources grows exponentially with size of the target system Tensor Networks emerge as an optimal ... -
Epicentral region estimation using convolutional neural networks
(Springer Nature, 2022)
Text en actes de congrés
Accés obertRecent works have assessed the capability of deep neural networks of estimating the epicentral source region of a seismic event from a single-station three-channel signal. In all the cases, the geographical partitioning ... -
A data-driven wall-shear stress model for LES using gradient boosted decision trees
(Springer Nature, 2021)
Text en actes de congrés
Accés obertWith the recent advances in machine learning, data-driven strategies could augment wall modeling in large eddy simulation (LES). In this work, a wall model based on gradient boosted decision trees is presented. The model ... -
Development of the conditional moment closure with a multi-code approach in the frame of Large Eddy Simulations
(ECM, 2021)
Comunicació de congrés
Accés obertThe Conditional Moment Closure (CMC), devised for turbulent combustion modelling, was implemented in the multiphysics code Alya, based on the Finite Element Method (FEM), in the frame of Large Eddy Simulations (LES) for ... -
Optimization of the progress variable definition using a genetic algorithm for the combustion of complex fuels
(MCM, 2021)
Comunicació de congrés
Accés obertIn this work counterflow diffusion flamelets of n-heptane and air are used at stable and unsteady extinguishing conditions for building a thermo-chemical database for Computational Fluid Dynamics (CFD) calculations. The ... -
High-fidelity simulations of the mixing and combustion of a technically premixed hydrogen flame
(MCM, 2021)
Comunicació de congrés
Accés obertNumerical simulations are used here to obtain further understanding on the flashback mechanism of a technically premixed hydrogen flame operated in lean conditions. Recent work from the authors (Mira et al., 2020) showed ...
