Designing Finite Element Multigrid Solvers for Extreme-Scale Earth Mantle Convection Simulations

Kohl N, Rüde U (2019)

Publication Language: English

Publication Type: Conference contribution, Conference Contribution

Publication year: 2019

Event location: Messe Frankfurt DE

Abstract

Insightful, finely resolved simulations of physical models such as Earth-mantle convection
require the solution of systems of equations of enormous size.
A global resolution of the Earth-mantle of about 1km results in more than a trillion (1012) unknowns.
Only solvers with optimal complexity - such as multigrid methods - can achieve that scalability.

In this talk we present the HPC framework HyTeG that implements parallel and matrix-free
finite-element multigrid solvers for extreme-scale simulations as they are required for modern geophysical applications.
We combine excellent performance, scalability and geometric flexibility through structured refinement of unstructured meshes and fully distributed domain partitioning.

Authors with CRIS profile

Nils Kohl Lehrstuhl für Informatik 10 (Systemsimulation) Ulrich Rüde Lehrstuhl für Informatik 10 (Systemsimulation)

How to cite

APA:

Kohl, N., & Rüde, U. (2019). Designing Finite Element Multigrid Solvers for Extreme-Scale Earth Mantle Convection Simulations. In Proceedings of the ISC High Performance 2019. Messe Frankfurt, DE.

MLA:

Kohl, Nils, and Ulrich Rüde. "Designing Finite Element Multigrid Solvers for Extreme-Scale Earth Mantle Convection Simulations." Proceedings of the ISC High Performance 2019, Messe Frankfurt 2019.

BibTeX: Download