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 …

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 …

A scalable, matrix-free multigrid preconditioner for finite element discretizations of heterogeneous Stokes flow

DA May, J Brown, L Le Pourhiet - Computer methods in applied mechanics …, 2015 - Elsevier
In this paper we describe a computational methodology that is specifically designed for
studying three-dimensional geodynamic processes governed by heterogeneous visco …

[PDF][PDF] Forward and inverse modelling of lithospheric deformation on geological timescales

BJP Kaus, AA Popov, T Baumann… - Proceedings of nic …, 2016 - juser.fz-juelich.de
Geological processes such as mountain belt formation, subduction of tectonic plates and the
development of sedimentary basins occur on a million-year timescale and involve rocks that …

A high-order semi-explicit discontinuous Galerkin solver for 3D incompressible flow with application to DNS and LES of turbulent channel flow

B Krank, N Fehn, WA Wall, M Kronbichler - Journal of Computational …, 2017 - Elsevier
We present an efficient discontinuous Galerkin scheme for simulation of the incompressible
Navier–Stokes equations including laminar and turbulent flow. We consider a semi-explicit …

Continental break-up of the South China Sea stalled by far-field compression

L Le Pourhiet, N Chamot-Rooke, M Delescluse… - Nature …, 2018 - nature.com
The outcome of decades of two-dimensional modelling of lithosphere deformation under
extension is that mechanical coupling between the continental crust and the underlying …

Solver composition across the PDE/linear algebra barrier

RC Kirby, L Mitchell - SIAM Journal on Scientific Computing, 2018 - SIAM
The efficient solution of discretizations of coupled systems of partial differential equations
(PDEs) is at the core of much of numerical simulation. Significant effort has been expended …

101 geodynamic modelling: How to design, carry out, and interpret numerical studies

I van Zelst, F Crameri, AE Pusok, A Glerum… - Solid Earth …, 2021 - se.copernicus.org
Geodynamic modelling provides a powerful tool to investigate processes in the Earth's crust,
mantle, and core that are not directly observable. However, numerical models are inherently …

A genetic link between transform and hyper-extended margins

L Le Pourhiet, DA May, L Huille, L Watremez… - Earth and Planetary …, 2017 - Elsevier
The similarity between the geometry of the West African and South American coastlines is
among one of the strongest natural observations supporting the plate tectonic paradigm …

Benchmarking numerical models of brittle thrust wedges

SJH Buiter, G Schreurs, M Albertz, TV Gerya… - Journal of Structural …, 2016 - Elsevier
We report quantitative results from three brittle thrust wedge experiments, comparing
numerical results directly with each other and with corresponding analogue results. We first …