What it is: A C++ software library supporting the creation of finite element codes and an open community of users and developers. (About deal.II)
Mission: To provide well-documented tools to build finite element codes for a broad variety of PDEs, from laptops to supercomputers. (deal.II documentation)
Vision: To create an open, inclusive, participatory community providing users and developers with a state-of-the-art, comprehensive software library that constitutes the go-to solution for all finite element problems. (Participate in deal.II)
Download
deal.II is open source and available for free!
Documentation
deal.II has extensive documentation and tutorials!
Participate
deal.II is a community project and welcomes participation!
Help
deal.II provides resources to learn and ask for help!
News
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2025/03/03: SIAM/ACM Prize in Computational Science and Engineering: The principal developers of deal.II were awarded the SIAM/ACM Prize in Computational Science and Engineering "for their highly impactful library supporting finite element calculations. The software achieved a very high standard of software quality and modularity by providing packaged algorithms and data structures in a comprehensive and well-documented manner that enables and elevates whole communities to achieve more computationally advanced models than they could possibly otherwise."
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2024/08/11: Version 9.6.0 released: deal.II version 9.6.0 was released today. A full list of changes can be found here and a long description of changes is in the manuscript here. Download links are on the download page, or the release page on github.
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2024/04/17: 11th deal.II users and developers workshop: The 11th deal.II Users and Developers Workshop will take place at Colorado State University, Colorado, USA, August 12-16, 2024. For more information, see here.
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2024/04/12: Short course in Chennai, India: Wolfgang Bangerth taught a short course on the "Finite Element Method in Scientific Computing" in Chennai, India, April 29 – May 03, 2024.
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