FLEXI: A high order discontinuous Galerkin framework for hyperbolic–parabolic conservation laws
N Krais, A Beck, T Bolemann, H Frank, D Flad… - … & Mathematics with …, 2021 - Elsevier
High order (HO) schemes are attractive candidates for the numerical solution of multiscale
problems occurring in fluid dynamics and related disciplines. Among the HO discretization …
problems occurring in fluid dynamics and related disciplines. Among the HO discretization …
Fast matrix-free evaluation of discontinuous Galerkin finite element operators
M Kronbichler, K Kormann - ACM Transactions on Mathematical …, 2019 - dl.acm.org
We present an algorithmic framework for matrix-free evaluation of discontinuous Galerkin
finite element operators. It relies on fast quadrature with sum factorization on quadrilateral …
finite element operators. It relies on fast quadrature with sum factorization on quadrilateral …
Multigrid for matrix-free high-order finite element computations on graphics processors
M Kronbichler, K Ljungkvist - ACM Transactions on Parallel Computing …, 2019 - dl.acm.org
This article presents matrix-free finite-element techniques for efficiently solving partial
differential equations on modern many-core processors, such as graphics cards. We …
differential equations on modern many-core processors, such as graphics cards. We …
A matrix–free high–order solver for the numerical solution of cardiac electrophysiology
We propose a matrix–free solver for the numerical solution of the cardiac electrophysiology
model consisting of the monodomain nonlinear reaction–diffusion equation coupled with a …
model consisting of the monodomain nonlinear reaction–diffusion equation coupled with a …
[PDF][PDF] ExaDG: High-order discontinuous Galerkin for the exa-scale
This text presents contributions to efficient high-order finite element solvers in the context of
the project ExaDG, part of the DFG priority program 1648 Software for Exascale Computing …
the project ExaDG, part of the DFG priority program 1648 Software for Exascale Computing …
A weakly compressible hybridizable discontinuous Galerkin formulation for fluid–structure interaction problems
A scheme for the solution of fluid–structure interaction (FSI) problems with weakly
compressible flows is proposed in this work. A novel hybridizable discontinuous Galerkin …
compressible flows is proposed in this work. A novel hybridizable discontinuous Galerkin …
[HTML][HTML] GALÆXI: Solving complex compressible flows with high-order discontinuous Galerkin methods on accelerator-based systems
This work presents GALÆXI as a novel, energy-efficient flow solver for the simulation of
compressible flows on unstructured hexahedral meshes leveraging the parallel computing …
compressible flows on unstructured hexahedral meshes leveraging the parallel computing …
[HTML][HTML] GPU-based matrix-free finite element solver exploiting symmetry of elemental matrices
Matrix-free solvers for finite element method (FEM) avoid assembly of elemental matrices
and replace sparse matrix-vector multiplication required in iterative solution method by an …
and replace sparse matrix-vector multiplication required in iterative solution method by an …
High-order matrix-free incompressible flow solvers with GPU acceleration and low-order refined preconditioners
We present a matrix-free flow solver for high-order finite element discretizations of the
incompressible Navier-Stokes and Stokes equations with GPU acceleration. For high …
incompressible Navier-Stokes and Stokes equations with GPU acceleration. For high …
Implicit two-derivative deferred correction time discretization for the discontinuous Galerkin method
J Zeifang, J Schütz - Journal of Computational Physics, 2022 - Elsevier
In this paper, we use an implicit two-derivative deferred correction time discretization
approach and combine it with a spatial discretization of the discontinuous Galerkin spectral …
approach and combine it with a spatial discretization of the discontinuous Galerkin spectral …