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Licensed Unlicensed Requires Authentication Published by De Gruyter July 25, 2020

The deal.II library, Version 9.2

  • Daniel Arndt , Wolfgang Bangerth , Bruno Blais , Thomas C. Clevenger , Marc Fehling , Alexander V. Grayver , Timo Heister EMAIL logo , Luca Heltai , Martin Kronbichler , Matthias Maier , Peter Munch , Jean-Paul Pelteret , Reza Rastak , Ignacio Tomas , Bruno Turcksin , Zhuoran Wang and David Wells


This paper provides an overview of the new features of the finite element library deal.II, version 9.2.

JEL Classification: 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.

Sandia National Laboratories is a multimission laboratory managed and operated by National Technology & Engineering Solutions of Sandia, LLC, a wholly owned subsidiary of Honeywell International Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA0003525. This document describes objective technical results and analysis. Any subjective views or opinions that might be expressed in the paper do not necessarily represent the views of the U.S. Department of Energy or the United States Government.

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, Ashna Aggarwal, Giovanni Alzetta, Mathias Anselmann, Kirana Bergstrom, Manaswinee Bezbaruah, Benjamin Brands, Yong-Yong Cai, Fabian Castelli, Joshua Christopher, Ester Comellas, Katherine Cosburn, Denis Davydov, Elias Dejene, Stefano Dominici, Brett Dong, Luel Emishaw, Niklas Fehn, Isuru Fernando, Rebecca Fildes, Menno Fraters, Andres Galindo, Daniel Garcia-Sanchez, Rene Gassmoeller, Melanie Gerault, Nicola Giuliani, Brandon Gleeson, Anne Glerum, Krishnakumar Gopalakrishnan, Graham Harper, Mohammed Hassan, Nicole Hayes, Bang He, Johannes Heinz, Jiuhua Hu, Lise-Marie Imbert-Gerard, Manu Jayadharan, Daniel Jodlbauer, Marie Kajan, Guido Kanschat, Alexander Knieps, Uwe Köcher, Paras Kumar, Konstantin Ladutenko, Charu Lata, Adam Lee, Wenyu Lei, Katrin Mang, Mae Markowski, Franco Milicchio, Adriana Morales Miranda, Bob Myhill, Emily Novak, Omotayo Omosebi, Alexey Ozeritskiy, Rebecca Pereira, Geneva Porter, Laura Prieto Saavedra, Roland Richter, Jonathan Robey, Irabiel Romero, Matthew Russell, Tonatiuh Sanchez-Vizuet, Natasha S. Sharma, Doug Shi-Dong, Konrad Simon, Stephanie Sparks, Sebastian Stark, Simon Sticko, Jan Philipp Thiele, Jihuan Tian, Sara Tro, Ferdinand Vanmaele, Michal Wichrowski, Julius Witte, Winnifried Wollner, Ming Yang, Mario Zepeda Aguilar, Wenjuan Zhang, Victor Zheng.

Their contributions are much appreciated!

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

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.

W. Bangerth, T. C. Clevenger, and T. Heister were partially supported by the Computational Infrastructure in Geodynamics initiative (CIG), through the National Science Foundation under Award No. EAR-1550901 and The University of California — Davis.

W. Bangerth was also partially supported by award OAC-1835673 as part of the Cyberinfrastructure for Sustained Scientific Innovation (CSSI) program, DMS-1821210, and EAR-1925595.

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

T. C. Clevenger was also partially supported EAR-1925575 and OAC-2015848.

A. V. Grayver was partially supported by the European Space Agency Swarm DISC program.

T. Heister was also partially supported by the National Science Foundation (NSF) Award DMS-2028346, OAC-2015848, EAR-1925575, and by Technical Data Analysis, Inc. through US Navy STTR Contract N68335-18-C-0011.

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’.

M. Kronbichler was supported by the German Research Foundation (DFG) under the project ‘High-order discontinuous Galerkin for the exa-scale’ (ExaDG) within the priority program ‘Software for Exascale Computing’ (SPPEXA) and the Bayerisches Kompetenznetzwerk für Technisch–Wissenschaftliches Hoch- und Höchstleistungsrechnen (KONWIHR) in the context of the project ‘Performance tuning of high-order discontinuous Galerkin solvers for SuperMUC-NG’.

M. Maier was partially supported by ARO MURI Award No. W911NF-14-0247 and NSF Award DMS-1912847.

D. Wells was supported by the National Science Foundation (NSF) award OAC-1450327.

Z. Wang was partially supported by the National Science Foundation under award OAC-1835673.

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

The authors acknowledge the Texas Advanced Computing Center (TACC) at The University of Texas at Austin for providing access to HPC resources that have contributed to the research results reported within this paper.

Clemson University is acknowledged for generous allotment of compute time on the Palmetto cluster.


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Received: 2020-06-11
Revised: 2020-07-02
Accepted: 2020-07-02
Published Online: 2020-07-25
Published in Print: 2020-09-25

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