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Licensed Unlicensed Requires Authentication Published by De Gruyter September 25, 2021

The deal.II library, Version 9.3

Daniel Arndt, Wolfgang Bangerth, Bruno Blais, Marc Fehling, Rene Gassmöller, Timo Heister, Luca Heltai, Uwe Köcher, Martin Kronbichler, Matthias Maier, Peter Munch, Jean-Paul Pelteret, Sebastian Proell, Konrad Simon, Bruno Turcksin, David Wells and Jiaqi Zhang


This paper provides an overview of the new features of the finite element library deal.II, version 9.3.

MSC 2010: 65M60; 65N30; 65Y05

4 Acknowledgments

This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy.

deal.II is a world-wide project with dozens of contributors around the globe. Other than the authors of this paper, the following people contributed code to this release:

Pasquale Africa, Tyler Anderson, Mathias Anselmann, Arpit Babbar, Maximilian Bergbauer, Nicolas Barnafi, Michele Bucelli, Marcus Calhoun-Lopez, David F. Castellanos, Fabian Castelli, Praveen Chandrashekar, Conrad Clevenger, Andrew Davis, Elias Dejene, Niklas Fehn, Menno Fraters, Ivan Fumagalli, Daniel Garcia-Sanchez, Nicola Giuliani, Krishnakumar Gopalakrishnan, Alexander Grayver, Olivier Guevremont, Jake Harmon, Graham Harper, Katharina Kormann, Christoph Kammer, Wenyu Lei, Zhou Lei, Phillip Mobley, Nils Much, Pratik Nayak, Toni El Geitani Nehme, Justin O’Connor, Daniel Paukner, Lei Qiao, Ce Qin, Reza Rastak, Julian Roth, Laura Prieto Saavedra, Doug Shi-Dong, David Schneider, Magdalena Schreter, Richard Schussnig, Dominic Soldner, Simon Sticko, Malhar Tidke, Ignacio Tomas, Benjamin Uekermann, Peter Westerbaan.

Their contributions are much appreciated!

  1. Funding: deal.II and its developers are financially supported through a variety of funding sources:

    1. D. Arndt and B. Turcksin: Research sponsored by the Laboratory Directed Research and Development Program of Oak Ridge National Laboratory, managed by UT-Battelle, LLC, for the U. S. Department of Energy;

    2. W. Bangerth, T. Heister, R. Gassmöller, and J. Zhang were partially supported by the Computational Infrastructure for Geodynamics initiative (CIG), through the National Science Foundation (NSF) under Award No. EAR-1550901 and The University of California – Davis;

    3. W. Bangerth and M. Fehling were partially supported by Award OAC-1835673 as part of the Cyberinfrastructure for Sustained Scientific Innovation (CSSI) program;

    4. W. Bangerth was also partially supported by Awards DMS-1821210 and EAR-1925595;

    5. B. Blais was partially supported by the National Science and Engineering Research Council of Canada (NSERC) through the RGPIN-2020-04510 Discovery Grant;

    6. T. Heister and J. Zhang were also partially supported by NSF Award OAC-2015848;

    7. T. Heister was also partially supported by the NSF Awards DMS-2028346, EAR-1925575, and by Technical Data Analysis, Inc. through US Navy STTR Contract N68335-18-C-0011;

    8. R. Gassmöller was also partially supported by the NSF Award EAR-1925595;

    9. L. Heltai was partially supported by the Italian Ministry of Instruction, University and Research (MIUR), under the 2017 PRIN project NA-FROM-PDEs MIUR PE1, ‘Numerical Analysis for Full and Reduced Order Methods for the efficient and accurate solution of complex systems governed by Partial Differential Equations’;

    10. M. Kronbichler and P. Munch were partially supported by the Bayerisches Kompetenznetzwerk für Technisch-Wissenschaftliches Hoch-und Höchstleistungsrechnen (KONWIHR) in the context of the projects ‘Performance tuning of high-order discontinuous Galerkin solvers for SuperMUC-NG’ and ‘High-order matrix-free finite element implementations with hybrid parallelization and improved data locality’;

    11. M. Maier was partially supported by NSF Awards DMS-1912847 and DMS-2045636;

    12. D. Wells was supported by NSF through Grant DMS-1344962.

    The Interdisciplinary Center for Scientific Computing (IWR) at Heidelberg University has provided hosting services for the deal.II web page.


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Received: 2021-06-25
Accepted: 2021-06-30
Published Online: 2021-09-25
Published in Print: 2021-09-27

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