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Welcome to the deal.II mailing list. If you are new to the mailing list, please take the time to read these posts:
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Jean-Paul Pelteret
6/30/16
Announcement
Getting started and posting guidelines for new users
Hi there, and welcome to the deal.II user group forum! Presumably you've found yourself here from
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news
Announcement
Getting started and posting guidelines for new users
Hi there, and welcome to the deal.II user group forum! Presumably you've found yourself here from
6/30/16
Jean-Paul Pelteret
2
8/13/15
Announcement
deal.II discussion group: Feedback and guidelines
Dear deal.II users, During the user group meeting held in Texas at the beginning of August we asked
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news
Announcement
deal.II discussion group: Feedback and guidelines
Dear deal.II users, During the user group meeting held in Texas at the beginning of August we asked
8/13/15
Rene Gassmoeller
Nov 25
deal.II Newsletter #337
Hello everyone! This is deal.II newsletter #337. It automatically reports recently merged features
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deal.II Newsletter #337
Hello everyone! This is deal.II newsletter #337. It automatically reports recently merged features
Nov 25
Abbas Ballout
,
Luca Heltai
3
Nov 22
Functions::Parsed<dim> flexibility and Functions<dim> performance
Dear Luca, I ll give this a try. (there goes my weekend ) Thanks for the hint. Abbas On Thursday,
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Functions::Parsed<dim> flexibility and Functions<dim> performance
Dear Luca, I ll give this a try. (there goes my weekend ) Thanks for the hint. Abbas On Thursday,
Nov 22
Arthur Bawin
,
Wolfgang Bangerth
4
Nov 20
Removing from existing AffineConstraints
I'm a bit confused then. The following tests three get_view() with IndexSets : your example (
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Removing from existing AffineConstraints
I'm a bit confused then. The following tests three get_view() with IndexSets : your example (
Nov 20
Lukas Dreyer
, …
Wolfgang Bangerth
11
Nov 19
Implementing a Nédélec Finite Element for Triangles and Tetrahedra
Hi Lukas: > I still have one main point that I do not understand about both current > nedelec
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Implementing a Nédélec Finite Element for Triangles and Tetrahedra
Hi Lukas: > I still have one main point that I do not understand about both current > nedelec
Nov 19
jack urombo
,
Marc Fehling
2
Nov 19
deal II in Docker Permission
Hi Jack, I believe the correct command is `docker run --user root` Marc On Wednesday, November 19,
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deal II in Docker Permission
Hi Jack, I believe the correct command is `docker run --user root` Marc On Wednesday, November 19,
Nov 19
Nihar Bhardwaj Darbhamulla
,
Wolfgang Bangerth
9
Nov 18
Problem with scaling with parallel::distributed::Triangulation and direct solver
On 11/18/25 09:50, Nihar Bhardwaj Darbhamulla wrote: > > The issue appears to be very long
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Problem with scaling with parallel::distributed::Triangulation and direct solver
On 11/18/25 09:50, Nihar Bhardwaj Darbhamulla wrote: > > The issue appears to be very long
Nov 18
Rene Gassmoeller
Nov 18
deal.II Newsletter #336
Hello everyone! This is deal.II newsletter #336. It automatically reports recently merged features
unread,
deal.II Newsletter #336
Hello everyone! This is deal.II newsletter #336. It automatically reports recently merged features
Nov 18
Hang ZHANG
2
Nov 12
Compiling deal.ii with candi on a cluster with cray programming environment
Hi all, The issue has been resolved, the problem was in the configuration file deal.II-toolchain/
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Compiling deal.ii with candi on a cluster with cray programming environment
Hi all, The issue has been resolved, the problem was in the configuration file deal.II-toolchain/
Nov 12
Rene Gassmoeller
Nov 10
deal.II Newsletter #335
Hello everyone! This is deal.II newsletter #335. It automatically reports recently merged features
unread,
deal.II Newsletter #335
Hello everyone! This is deal.II newsletter #335. It automatically reports recently merged features
Nov 10
Weidong Pian
,
Wolfgang Bangerth
2
Nov 8
Questions encountered in Adaptively Refining Mesh
On 11/7/25 20:17, 'Weidong Pian' via deal.II User Group wrote: > > I'm studying
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Questions encountered in Adaptively Refining Mesh
On 11/7/25 20:17, 'Weidong Pian' via deal.II User Group wrote: > > I'm studying
Nov 8
Kyle Schwiebert
,
Matthias Maier
3
Nov 7
Linking unoptimized user code against release deal.II
Matthias, Thank you for the reply. In retrospect such a solution should have been obvious. I knew
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Linking unoptimized user code against release deal.II
Matthias, Thank you for the reply. In retrospect such a solution should have been obvious. I knew
Nov 7
Arthur Bawin
, …
Timo Heister
6
Nov 6
WorkStream with read-only PETSc parallel vectors
Dear Arthur, See https://github.com/dealii/dealii/issues/18886 Basically, even reading from PETSc
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WorkStream with read-only PETSc parallel vectors
Dear Arthur, See https://github.com/dealii/dealii/issues/18886 Basically, even reading from PETSc
Nov 6
Tingchang Yin
,
Wolfgang Bangerth
3
Nov 4
CDR solver: exception happens when using MPI
On 11/4/25 04:48, Tingchang Yin wrote: > > I downloaded the convection diffusion reaction
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CDR solver: exception happens when using MPI
On 11/4/25 04:48, Tingchang Yin wrote: > > I downloaded the convection diffusion reaction
Nov 4
Sebastian Kinnewig
,
blais...@gmail.com
2
Oct 31
Installing deal.II with a single command, introducing DCS2
That looks super interesting! We will for sure give it a try and report any issues if there are any :
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Installing deal.II with a single command, introducing DCS2
That looks super interesting! We will for sure give it a try and report any issues if there are any :
Oct 31
Hélène Papillon Laroche
,
Wolfgang Bangerth
5
Oct 30
DoF indices of a hanging node
Thank you, it works! Best, Hélène Le mardi 28 octobre 2025 à 13:33:42 UTC-4, Wolfgang Bangerth a
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DoF indices of a hanging node
Thank you, it works! Best, Hélène Le mardi 28 octobre 2025 à 13:33:42 UTC-4, Wolfgang Bangerth a
Oct 30
Rene Gassmoeller
Oct 27
deal.II Newsletter #334
Hello everyone! This is deal.II newsletter #334. It automatically reports recently merged features
unread,
deal.II Newsletter #334
Hello everyone! This is deal.II newsletter #334. It automatically reports recently merged features
Oct 27
Arthur Bawin
,
Wolfgang Bangerth
5
Oct 20
Coupling issue in fluid-structure interaction test
On 10/20/25 16:10, Arthur Bawin wrote: > > If the coupling is enforced by simply modifying the
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Coupling issue in fluid-structure interaction test
On 10/20/25 16:10, Arthur Bawin wrote: > > If the coupling is enforced by simply modifying the
Oct 20
Rene Gassmoeller
Oct 17
deal.II Newsletter #333
Hello everyone! This is deal.II newsletter #333. It automatically reports recently merged features
unread,
deal.II Newsletter #333
Hello everyone! This is deal.II newsletter #333. It automatically reports recently merged features
Oct 17
blais...@gmail.com
Oct 15
Lethe v1.0 official release
We are proud to announce the v1.0.2 release of Lethe as well as the publication of its release paper
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Lethe v1.0 official release
We are proud to announce the v1.0.2 release of Lethe as well as the publication of its release paper
Oct 15
Balu sharma
,
Wolfgang Bangerth
2
Oct 14
Accessing entry from TableHandler object
On 10/14/25 02:45, Balu sharma wrote: > How can I access a values from the TableHandler object. I
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Accessing entry from TableHandler object
On 10/14/25 02:45, Balu sharma wrote: > How can I access a values from the TableHandler object. I
Oct 14
Praveen C
, …
Marc Fehling
4
Oct 13
dealii documentation
Hi Praveen, doxygen added these navigation columns by default as a new feature in version 1.13.0.
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dealii documentation
Hi Praveen, doxygen added these navigation columns by default as a new feature in version 1.13.0.
Oct 13
Rene Gassmoeller
Oct 8
deal.II Newsletter #332
Hello everyone! This is deal.II newsletter #332. It automatically reports recently merged features
unread,
deal.II Newsletter #332
Hello everyone! This is deal.II newsletter #332. It automatically reports recently merged features
Oct 8
Wolfgang Bangerth
Oct 6
Job in numerical fluid mechanics/aerodynamics modeling
All: a friend forwarded me the following job ad for a company here in town that is looking for people
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Job in numerical fluid mechanics/aerodynamics modeling
All: a friend forwarded me the following job ad for a company here in town that is looking for people
Oct 6
yuchen liu
,
Wolfgang Bangerth
2
Oct 6
Schur complement in eigenvalue problems
> I am working on the schur complement for eigenvalue problems, following > step - 55. My
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Schur complement in eigenvalue problems
> I am working on the schur complement for eigenvalue problems, following > step - 55. My
Oct 6
ME20D503 NEWTON
,
Matthias Maier
2
Oct 4
Clarification on double_contract() usage in dealii 9.4.2
The only mention of a deprecated *double_contract()* that I can find is from version 8.4.0 from 2015.
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Clarification on double_contract() usage in dealii 9.4.2
The only mention of a deprecated *double_contract()* that I can find is from version 8.4.0 from 2015.
Oct 4
HC Zhang
, …
Wolfgang Bangerth
5
Oct 1
Pressure does not converge for Stokes problem with RT elements and inhomogeneous Dirichlet boundary conditions
On 10/1/25 05:39, HC Zhang wrote: > * > > ======================= RT1-DGQ1 =================
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Pressure does not converge for Stokes problem with RT elements and inhomogeneous Dirichlet boundary conditions
On 10/1/25 05:39, HC Zhang wrote: > * > > ======================= RT1-DGQ1 =================
Oct 1
Tom Jackson
Oct 1
Question: Seeking an example for using the Arnold-Boffi-Falk element (FE_ABF)
Hello everyone, I am currently studying mixed finite element methods for linear elasticity, and I am
unread,
Question: Seeking an example for using the Arnold-Boffi-Falk element (FE_ABF)
Hello everyone, I am currently studying mixed finite element methods for linear elasticity, and I am
Oct 1
blais...@gmail.com
Sep 30
Best paper award 2024
All: I've got the pleasure to announce that all of the principal developers stuck their heads
unread,
Best paper award 2024
All: I've got the pleasure to announce that all of the principal developers stuck their heads
Sep 30
Sean Carney
,
Wolfgang Bangerth
3
Sep 29
Derivative calculation via adjoint method: unexpected convergence behavior
Wolfgang, Thanks a lot for the response and for the suggestion to look at a simple 1d example. I will
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Derivative calculation via adjoint method: unexpected convergence behavior
Wolfgang, Thanks a lot for the response and for the suggestion to look at a simple 1d example. I will
Sep 29
Luca Heltai
Sep 29
New macOS deal.II packages (arm64, clang-17) now available
Hi all, after a bit of testing and fighting with compilation issues, I'm happy to share two
unread,
New macOS deal.II packages (arm64, clang-17) now available
Hi all, after a bit of testing and fighting with compilation issues, I'm happy to share two
Sep 29