Groups
Conversations
All groups and messages
Send feedback to Google
Help
Training
Sign in
Groups
deal.II User Group
Conversations
Labels
About
Groups keyboard shortcuts have been updated
Dismiss
See shortcuts
deal.II User Group
Contact owners and managers
1–30 of 5272
Welcome to the deal.II mailing list. If you are new to the mailing list, please take the time to read these posts:
Getting started and posting guidelines for new users
and
deal.II discussion group: Feedback and guidelines
.
deal.II website:
http://dealii.org
Github:
https://github.com/dealii/deal
ii
Please fill in the user survey:
https://forms.gle/
TxFL5SAGDuN8hB3C7
Mark all as read
Report group
0 selected
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
unread,
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
unread,
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
Devansh Sonigra
, …
Praveen C
5
Mar 17
Issue with KellyErrorEstimator after grid refinement in deal.II
I get this message in debug mode with dealii-9.6.2 --------------------------------------------------
unread,
Issue with KellyErrorEstimator after grid refinement in deal.II
I get this message in debug mode with dealii-9.6.2 --------------------------------------------------
Mar 17
Alex
2
Mar 17
Issue with Applying Dirichlet Boundary Conditions
Hi all, I would like to add a few statements to my above question, I have tried to boil down the
unread,
Issue with Applying Dirichlet Boundary Conditions
Hi all, I would like to add a few statements to my above question, I have tried to boil down the
Mar 17
mrjonm...@gmail.com
, …
Alex Quinlan
5
Mar 17
Q&A
MatrixCreator::create_mass_matrix on parallel::distributed::Triangulation
Thanks Daniel, The error is: [0]PETSC ERROR: --------------------- Error Message --------------------
unread,
basics
Q&A
MatrixCreator::create_mass_matrix on parallel::distributed::Triangulation
Thanks Daniel, The error is: [0]PETSC ERROR: --------------------- Error Message --------------------
Mar 17
Abbas Ballout
,
blais...@gmail.com
2
Mar 17
Distort_random seems to not work with distributed meshes in parallel
That's a very good question Abbas, I am actually not sure. If I understand correctly, you made a
unread,
Distort_random seems to not work with distributed meshes in parallel
That's a very good question Abbas, I am actually not sure. If I understand correctly, you made a
Mar 17
Enes Soydan
,
Wolfgang Bangerth
3
Mar 17
Step-64 - Memory Deallocation Error
Dear Wolfgang, Thank you very much for your response. I built deal.II with only the 'Release'
unread,
Step-64 - Memory Deallocation Error
Dear Wolfgang, Thank you very much for your response. I built deal.II with only the 'Release'
Mar 17
Florian Schulze
,
Wolfgang Bangerth
3
Mar 17
Locally divergence free DG basis
Thank you, Wolfgang, I'll have a look and try my luck implementing them. If I am successful I
unread,
Locally divergence free DG basis
Thank you, Wolfgang, I'll have a look and try my luck implementing them. If I am successful I
Mar 17
David Montiel
,
Wolfgang Bangerth
3
Mar 15
deal.II candi installation with external petsc
Thank you, Wolfgang I installed petsc with homebrew since I am on a mac What you suggested seems to
unread,
deal.II candi installation with external petsc
Thank you, Wolfgang I installed petsc with homebrew since I am on a mac What you suggested seems to
Mar 15
Lukas Dreyer
Mar 13
AMR25 conference in Cologne, Germany, September 2025
Dear deal.II users and developers, friends of adaptive mesh refinement and t8code, we are happy to
unread,
AMR25 conference in Cologne, Germany, September 2025
Dear deal.II users and developers, friends of adaptive mesh refinement and t8code, we are happy to
Mar 13
Nik Markus Leuenberger
,
Bruno Turcksin
4
Mar 13
shmem: mmap: shared memory error on Mac OS
I am glad it's fixed! Best, Bruno Le jeu. 13 mars 2025 à 00:02, Nik Markus Leuenberger <
unread,
shmem: mmap: shared memory error on Mac OS
I am glad it's fixed! Best, Bruno Le jeu. 13 mars 2025 à 00:02, Nik Markus Leuenberger <
Mar 13
Rene Gassmoeller
Mar 12
deal.II Newsletter #313
Hello everyone! This is deal.II newsletter #313. It automatically reports recently merged features
unread,
deal.II Newsletter #313
Hello everyone! This is deal.II newsletter #313. It automatically reports recently merged features
Mar 12
Elmira
,
Luca Heltai
3
Mar 12
Spack w Oneapi Compiler
Dear Luca, Thanks for the reply, LLVM issue is solved using oneapi.2025.0.4 compiler, however there
unread,
Spack w Oneapi Compiler
Dear Luca, Thanks for the reply, LLVM issue is solved using oneapi.2025.0.4 compiler, however there
Mar 12
Wolfgang Bangerth
, …
Gerald Marewo
4
Mar 7
SIAM/ACM Prize in Computational Science and Engineering
Congratulations to the deal.II team. Job well done. Regards, Gerald. On Thursday, 6 March 2025 at 01:
unread,
SIAM/ACM Prize in Computational Science and Engineering
Congratulations to the deal.II team. Job well done. Regards, Gerald. On Thursday, 6 March 2025 at 01:
Mar 7
Sudip Kunda
,
Yann Jobic
2
Mar 6
Installing dealii with METIS (for compiling a code gallery program)
Hello Sudip, If i may answer, i'm compiling petsc apart of dealii, and when compiling dealii, i
unread,
Installing dealii with METIS (for compiling a code gallery program)
Hello Sudip, If i may answer, i'm compiling petsc apart of dealii, and when compiling dealii, i
Mar 6
Rene Gassmoeller
Mar 5
deal.II Newsletter #312
Hello everyone! This is deal.II newsletter #312. It automatically reports recently merged features
unread,
deal.II Newsletter #312
Hello everyone! This is deal.II newsletter #312. It automatically reports recently merged features
Mar 5
giuseppe orlando
,
Peter Munch
3
Mar 4
Supported finite elements in the matrix-free infrastrucutre
Dear Peter, thanks a lot for your answer. Best, Giuseppe Il giorno lunedì 3 marzo 2025 alle 19:53:58
unread,
Supported finite elements in the matrix-free infrastrucutre
Dear Peter, thanks a lot for your answer. Best, Giuseppe Il giorno lunedì 3 marzo 2025 alle 19:53:58
Mar 4
Jerett Cherry
, …
blais...@gmail.com
5
Feb 28
Triangulation data serialization Question
Bruno, This temporary fix works. I was unable to create a small example to illustrate the problem
unread,
Triangulation data serialization Question
Bruno, This temporary fix works. I was unable to create a small example to illustrate the problem
Feb 28
Hao Wang
, …
Matthias Maier
4
Feb 28
No "bundled" folder in my deal.II path
Thank you very much! It solved the problem. Best, Hao. On Fri, Feb 28, 2025 at 6:55 AM Matthias Maier
unread,
No "bundled" folder in my deal.II path
Thank you very much! It solved the problem. Best, Hao. On Fri, Feb 28, 2025 at 6:55 AM Matthias Maier
Feb 28
Pratyusa Kar
Feb 27
Step 81 - tutorial - Maxwell Equations
Hi, I have a question in code mentioned in step - 81 tutorial. I see the discretized form is written
unread,
Step 81 - tutorial - Maxwell Equations
Hi, I have a question in code mentioned in step - 81 tutorial. I see the discretized form is written
Feb 27
Rene Gassmoeller
Feb 26
deal.II Newsletter #311
Hello everyone! This is deal.II newsletter #311. It automatically reports recently merged features
unread,
deal.II Newsletter #311
Hello everyone! This is deal.II newsletter #311. It automatically reports recently merged features
Feb 26
Hussein Shaito
, …
blais...@gmail.com
4
Feb 22
Seeking Advice on Implementing Solver with Trillinos and PETSc Vectors
Hello, Thank you both for the quick response and useful advice! Wish you a great weekend Regards,
unread,
Seeking Advice on Implementing Solver with Trillinos and PETSc Vectors
Hello, Thank you both for the quick response and useful advice! Wish you a great weekend Regards,
Feb 22
David Montiel
,
Wolfgang Bangerth
3
Feb 21
compute_eigenvalues_symmetric lapackerror
Thank you, Wolfgang I'll look into it. Best, David On Thursday, February 20, 2025 at 8:27:18 PM
unread,
compute_eigenvalues_symmetric lapackerror
Thank you, Wolfgang I'll look into it. Best, David On Thursday, February 20, 2025 at 8:27:18 PM
Feb 21
Md Mahmudul Islam
,
Daniel Arndt
3
Feb 20
Projection Method Matrix Rank Deficit Error
Thanks a lot for the suggestion. I got the solution. Thanks a lot Md Mahmudul Islam On Wed, Feb 19,
unread,
Projection Method Matrix Rank Deficit Error
Thanks a lot for the suggestion. I got the solution. Thanks a lot Md Mahmudul Islam On Wed, Feb 19,
Feb 20
HC Zhang
,
Daniel Arndt
3
Feb 20
Questions Regarding TPSS Installation Issues for a new user
Hi Daniel, Thank you for your explanation. It seems that the author hasn't updated the repository
unread,
Questions Regarding TPSS Installation Issues for a new user
Hi Daniel, Thank you for your explanation. It seems that the author hasn't updated the repository
Feb 20
Thomas Cheetham
,
Bruno Turcksin
3
Feb 20
Matrix-Free and FE_Nothing
Hi Bruno, Thanks for your quick reply, that worked perfectly. Many thanks, Thomas On Thursday,
unread,
Matrix-Free and FE_Nothing
Hi Bruno, Thanks for your quick reply, that worked perfectly. Many thanks, Thomas On Thursday,
Feb 20
Giovanni Maria Bonvini
, …
Luca Heltai
3
Feb 20
Wrong analytical solution for step-34 3D
Dear Giovanni, I think you are mixing the concept of solution value *on the boundary* with the
unread,
Wrong analytical solution for step-34 3D
Dear Giovanni, I think you are mixing the concept of solution value *on the boundary* with the
Feb 20
Elmira
,
Daniel Arndt
3
Feb 20
Refactoring deal.ii with Kokkos
Dear Daniel, Thanks a lot for detailed response, studied the paper. I work on offloading of adaptive
unread,
Refactoring deal.ii with Kokkos
Dear Daniel, Thanks a lot for detailed response, studied the paper. I work on offloading of adaptive
Feb 20
Junxiang Wang
, …
Wolfgang Bangerth
15
Feb 19
Parallel computation fails to converge
On 2/14/25 00:07, Junxiang Wang wrote: > > Will the distribution process change the data? or
unread,
Parallel computation fails to converge
On 2/14/25 00:07, Junxiang Wang wrote: > > Will the distribution process change the data? or
Feb 19
Matteo Malvestiti
, …
Wolfgang Bangerth
4
Feb 19
Re-import an adaptively refined mesh (with hanging nodes)
On 2/14/25 04:51, Matteo Malvestiti wrote: > > But however there is the problem of the positing
unread,
Re-import an adaptively refined mesh (with hanging nodes)
On 2/14/25 04:51, Matteo Malvestiti wrote: > > But however there is the problem of the positing
Feb 19
Chengjiang Yin
,
Martin Kronbichler
3
Feb 19
Does MatrixFree support multiple different types of Quadrature formula?
Hi Martin, Thanks for the very quick reply and test case! So quadrature formulas only differ by their
unread,
Does MatrixFree support multiple different types of Quadrature formula?
Hi Martin, Thanks for the very quick reply and test case! So quadrature formulas only differ by their
Feb 19
Rene Gassmoeller
Feb 19
deal.II Newsletter #310
Hello everyone! This is deal.II newsletter #310. It automatically reports recently merged features
unread,
deal.II Newsletter #310
Hello everyone! This is deal.II newsletter #310. It automatically reports recently merged features
Feb 19