OCCA: A unified approach to multi-threading languages

DS Medina, A St-Cyr, T Warburton - arXiv preprint arXiv:1403.0968, 2014 - arxiv.org
The inability to predict lasting languages and architectures led us to develop OCCA, a C++
library focused on host-device interaction. Using run-time compilation and macro …

GPU-accelerated discontinuous Galerkin methods on hybrid meshes

J Chan, Z Wang, A Modave, JF Remacle… - Journal of …, 2016 - Elsevier
We present a time-explicit discontinuous Galerkin (DG) solver for the time-domain acoustic
wave equation on hybrid meshes containing vertex-mapped hexahedral, wedge, pyramidal …

An entropy stable discontinuous Galerkin method for the shallow water equations on curvilinear meshes with wet/dry fronts accelerated by GPUs

N Wintermeyer, AR Winters, GJ Gassner… - Journal of Computational …, 2018 - Elsevier
We extend the entropy stable high order nodal discontinuous Galerkin spectral element
approximation for the non-linear two dimensional shallow water equations presented by …

Discontinuous Galerkin scheme for the spherical shallow water equations with applications to tsunami modeling and prediction

B Bonev, JS Hesthaven, FX Giraldo… - Journal of Computational …, 2018 - Elsevier
We present a novel high-order discontinuous Galerkin discretization for the spherical
shallow water equations, able to handle wetting/drying and non-conforming, curved meshes …

A GPU-accelerated continuous and discontinuous Galerkin non-hydrostatic atmospheric model

DS Abdi, LC Wilcox, TC Warburton… - … Journal of High …, 2019 - journals.sagepub.com
We present a Graphics Processing Unit (GPU)-accelerated nodal discontinuous Galerkin
method for the solution of the three-dimensional Euler equations that govern the motion and …

From Godunov to a unified hybridized discontinuous Galerkin framework for partial differential equations

T Bui-Thanh - Journal of Computational Physics, 2015 - Elsevier
By revisiting the basic Godunov approach for system of linear hyperbolic Partial Differential
Equations (PDEs) we show that it is hybridizable. As such, it is a natural recipe for us to …

A GPU accelerated discontinuous Galerkin incompressible flow solver

A Karakus, N Chalmers, K Świrydowicz… - Journal of Computational …, 2019 - Elsevier
We present a GPU-accelerated version of a high-order discontinuous Galerkin discretization
of the unsteady incompressible Navier–Stokes equations. The equations are discretized in …

GPU performance analysis of a nodal discontinuous Galerkin method for acoustic and elastic models

A Modave, A St-Cyr, T Warburton - Computers & Geosciences, 2016 - Elsevier
Finite element schemes based on discontinuous Galerkin methods possess features
amenable to massively parallel computing accelerated with general purpose graphics …

Efficient surface water flow simulation on static Cartesian grid with local refinement according to key topographic features

J Hou, R Wang, Q Liang, Z Li, MS Huang… - Computers & …, 2018 - Elsevier
Aiming at improving the computational efficiency without accuracy losses for surface water
flow simulation, this paper presents a structured but non-uniform grid system incorporated …

Discontinuous galerkin methods on graphics processing units for nonlinear hyperbolic conservation laws

M Fuhry, A Giuliani… - International Journal for …, 2014 - Wiley Online Library
We present a novel implementation of the modal DG method for hyperbolic conservation
laws in two dimensions on graphics processing units (GPUs) using NVIDIA's Compute …