A review of element-based Galerkin methods for numerical weather prediction: Finite elements, spectral elements, and discontinuous Galerkin
Numerical weather prediction (NWP) is in a period of transition. As resolutions increase,
global models are moving towards fully nonhydrostatic dynamical cores, with the local and …
global models are moving towards fully nonhydrostatic dynamical cores, with the local and …
Alya: Multiphysics engineering simulation toward exascale
Alya is a multi-physics simulation code developed at Barcelona Supercomputing Center
(BSC). From its inception Alya code is designed using advanced High Performance …
(BSC). From its inception Alya code is designed using advanced High Performance …
A comparison of data-driven reduced order models for the simulation of mesoscale atmospheric flow
The simulation of atmospheric flows by means of traditional discretization methods remains
computationally intensive, hindering the achievement of high forecasting accuracy in short …
computationally intensive, hindering the achievement of high forecasting accuracy in short …
[HTML][HTML] A family of well-balanced WENO and TENO schemes for atmospheric flows
A Navas-Montilla, I Echeverribar - Journal of Computational Physics, 2023 - Elsevier
We herein present a novel methodology to construct very high order well-balanced schemes
for the computation of the Euler equations with gravitational source term, with application to …
for the computation of the Euler equations with gravitational source term, with application to …
A Non‐Column Based, Fully Unstructured Implementation of Kessler's Microphysics With Warm Rain Using Continuous and Discontinuous Spectral Elements
Numerical weather prediction is pushing the envelope of grid resolution at local and global
scales alike. Aiming to model topography with higher precision, a handful of articles …
scales alike. Aiming to model topography with higher precision, a handful of articles …
Filter stabilization for the mildly compressible Euler equations with application to atmosphere dynamics simulations
We present a filter stabilization technique for the mildly compressible Euler equations that
relies on a linear or nonlinear indicator function to identify the regions of the domain where …
relies on a linear or nonlinear indicator function to identify the regions of the domain where …
[HTML][HTML] Validation of an OpenFOAM®-based solver for the Euler equations with benchmarks for mesoscale atmospheric modeling
Within OpenFOAM, we develop a pressure-based solver for the Euler equations written in
conservative form using density, momentum, and total energy as variables. Under …
conservative form using density, momentum, and total energy as variables. Under …
Stabilized high-order Galerkin methods based on a parameter-free dynamic SGS model for LES
The high order spectral element approximation of the Euler equations is stabilized via a
dynamic sub-grid scale model (Dyn-SGS). This model was originally designed for linear …
dynamic sub-grid scale model (Dyn-SGS). This model was originally designed for linear …
[HTML][HTML] Large-eddy simulations with ClimateMachine v0. 2.0: a new open-source code for atmospheric simulations on GPUs and CPUs
We introduce ClimateMachine, a new open-source atmosphere modeling framework which
uses the Julia language and is designed to be scalable on central processing units (CPUs) …
uses the Julia language and is designed to be scalable on central processing units (CPUs) …
[HTML][HTML] Localized artificial viscosity stabilization of discontinuous Galerkin methods for nonhydrostatic mesoscale atmospheric modeling
ML Yu, FX Giraldo, M Peng… - Monthly Weather …, 2015 - journals.ametsoc.org
Gibbs oscillation can show up near flow regions with strong temperature gradients in the
numerical simulation of nonhydrostatic mesoscale atmospheric flows when using the high …
numerical simulation of nonhydrostatic mesoscale atmospheric flows when using the high …