Groups
Groups
Sign in
Groups
Groups
deal.II User Group
Conversations
Labels
basics
boundary_conditions
bug
complex_number
cpp
cuda
development
dg_methods
eclipse
eigen_problem
electro_magnetics
fe_spaces
feature_request
fluid_mechanics
fluid_structure_interation
h-refinement
hp_adaptivity
installation
laplace_poisson
linear_algebra
mac
manifold
matrix-free
mesh_generator
meshworker
mpi
multigrid
multithreading
news
p4est
parameter_handler
petsc
post-processing
pre-processing
slepc
solid_mechanics
suggestion
thermo_mechanics
time_integration
trilinos
tutorials
windows
About
Send feedback
Help
deal.II User Group
Contact owners and managers
1–30 of 5356
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
Konrad Simon
,
Wolfgang Bangerth
3
11/27/20
Q&A
Boundary conditions on components in with FESystem
Dear Wolfgang, Many thanks for your reply. I am usually doing as you suggest and I was testing many
unread,
boundary_conditions
fe_spaces
Q&A
Boundary conditions on components in with FESystem
Dear Wolfgang, Many thanks for your reply. I am usually doing as you suggest and I was testing many
11/27/20
Samuel Rodriguez
,
Simon Sticko
6
7/1/20
Q&A
Non Homogenous Boundary Conditions on a Cylinder
Hi, > and the code seems to be working fine! Is there anything that I am > missing in your
unread,
basics
boundary_conditions
laplace_poisson
tutorials
Q&A
Non Homogenous Boundary Conditions on a Cylinder
Hi, > and the code seems to be working fine! Is there anything that I am > missing in your
7/1/20
Julian Roth
,
Timo Heister
7
5/24/20
Q&A
How can I add curl conforming boundary constraints to the Multigrid transfer matrices?
I created a pull request. However, I don't understand why the Travis CI check fails... On
unread,
boundary_conditions
multigrid
Q&A
How can I add curl conforming boundary constraints to the Multigrid transfer matrices?
I created a pull request. However, I don't understand why the Travis CI check fails... On
5/24/20
David F
, …
Jean-Paul Pelteret
5
4/29/20
Q&A
Periodicity with simultaneous displacement controlled BCs
Thank you all, I found the way to do it. For future users trying to solve the same problem, I also
unread,
boundary_conditions
solid_mechanics
Q&A
Periodicity with simultaneous displacement controlled BCs
Thank you all, I found the way to do it. For future users trying to solve the same problem, I also
4/29/20
Patrick Eastham
,
Praveen C
6
4/18/20
Q&A
Small step-22 modification gives unexpected result
You're absolutely right! That solves the problem completely. I greatly appreciate your help
unread,
basics
boundary_conditions
fluid_mechanics
Q&A
Small step-22 modification gives unexpected result
You're absolutely right! That solves the problem completely. I greatly appreciate your help
4/18/20
Ahmad Shahba
,
Wolfgang Bangerth
3
3/25/20
Q&A
Imposing Dirichlet-type conditions via AffineConstraints: Expected behavior or bug?
Thanks Wolfgang for your help! I tried it out and it worked. Regards, Ahmad On Fri, Mar 20, 2020 at 7
unread,
basics
boundary_conditions
mpi
Q&A
Imposing Dirichlet-type conditions via AffineConstraints: Expected behavior or bug?
Thanks Wolfgang for your help! I tried it out and it worked. Regards, Ahmad On Fri, Mar 20, 2020 at 7
3/25/20
Krishnakumar Gopalakrishnan
,
Wolfgang Bangerth
3
3/15/20
Q&A
Accessing a particular boundary in one-dimensional case
Have you tried this? I think it should work, but it will be faster for you (and for us) if you just
unread,
boundary_conditions
Q&A
Accessing a particular boundary in one-dimensional case
Have you tried this? I think it should work, but it will be faster for you (and for us) if you just
3/15/20
Lukas Schöller
, …
Masoud Ahmadi
5
11/15/22
Q&A
Macro periodic boundary condition for a elasticity equation
Hi Lukas and Jean-Paul, I have the same exact question. Any further achievment with the issue? Best
unread,
boundary_conditions
solid_mechanics
Q&A
Macro periodic boundary condition for a elasticity equation
Hi Lukas and Jean-Paul, I have the same exact question. Any further achievment with the issue? Best
11/15/22
Krishanu Sen
,
Wolfgang Bangerth
4
1/28/20
Q&A
Dirichlet boundary condition (homogeneous) on selected dofs
Krishanu, > I understood that the the Dirichlet boundary condition in this problem was > being
unread,
boundary_conditions
Q&A
Dirichlet boundary condition (homogeneous) on selected dofs
Krishanu, > I understood that the the Dirichlet boundary condition in this problem was > being
1/28/20
Ernesto Ismail
, …
Jean-Paul Pelteret
8
1/21/20
Q&A
Using solution on from one FE problem as a boundary condition for another
Hi Everyone, In case anyone ever follows this thread and needs to find the code associated with
unread,
boundary_conditions
Q&A
Using solution on from one FE problem as a boundary condition for another
Hi Everyone, In case anyone ever follows this thread and needs to find the code associated with
1/21/20
Hasan Tasneem
, …
David Wells
6
1/7/20
Q&A
Fixed Support for 2D Beam Problem
Happy to help! On Tue, Jan 7, 2020 at 1:42 PM Mohammed Hassan <en.mhd...@gmail.com> wrote:
unread,
boundary_conditions
tutorials
Q&A
Fixed Support for 2D Beam Problem
Happy to help! On Tue, Jan 7, 2020 at 1:42 PM Mohammed Hassan <en.mhd...@gmail.com> wrote:
1/7/20
manuJayadharan
,
manuJayadharan
3
10/23/19
Q&A
Domain Decomposition: Interpolating FE function from value on grid points efficiently.
Hi Prof Wolfgang, Thanks for the insight. I figured a way of implementing it without any
unread,
boundary_conditions
fe_spaces
fluid_mechanics
multigrid
Q&A
Domain Decomposition: Interpolating FE function from value on grid points efficiently.
Hi Prof Wolfgang, Thanks for the insight. I figured a way of implementing it without any
10/23/19
Konrad Wiśniewski
, …
Konrad
7
9/8/19
Q&A
Poisson equation, implementation of boundary values, mixed finite element, semiconductor devices
Hi Konrad, Thank you very much for your comment! I will try to go into the detail of it in next days.
unread,
boundary_conditions
dg_methods
electro_magnetics
laplace_poisson
Q&A
Poisson equation, implementation of boundary values, mixed finite element, semiconductor devices
Hi Konrad, Thank you very much for your comment! I will try to go into the detail of it in next days.
9/8/19
Andreas Rupp
,
Daniel Arndt
3
9/3/19
Q&A
triangulation.add_periodicity takes an enormous amount of time
Dear Daniel, Thank you very much for your reply! You are absolutely right. I used the Debug mode
unread,
boundary_conditions
mesh_generator
Q&A
triangulation.add_periodicity takes an enormous amount of time
Dear Daniel, Thank you very much for your reply! You are absolutely right. I used the Debug mode
9/3/19
张嘉宁
,
Wolfgang Bangerth
2
8/17/19
Q&A
When Lame and nu are big number, the result is always zero.
On 8/17/19 2:49 AM, 张嘉宁 wrote: > I am the new one here, and recently I test a program solving
unread,
boundary_conditions
mpi
multigrid
solid_mechanics
suggestion
Q&A
When Lame and nu are big number, the result is always zero.
On 8/17/19 2:49 AM, 张嘉宁 wrote: > I am the new one here, and recently I test a program solving
8/17/19
Stephanie Rocha
,
Sebastian Stark
3
7/30/19
Q&A
merging meshes step 18
Thanks Sebastian! I will look into it :) On Tue, Jul 30, 2019 at 4:23 PM 'Sebastian Stark'
unread,
boundary_conditions
manifold
mesh_generator
Q&A
merging meshes step 18
Thanks Sebastian! I will look into it :) On Tue, Jul 30, 2019 at 4:23 PM 'Sebastian Stark'
7/30/19
Reza Rastak
,
Daniel Arndt
6
8/5/19
Q&A
constraining dofs across distributed mesh
Thank you Danial for the explanation. I used the IndexSet::add_index() method and its seems to be
unread,
boundary_conditions
mpi
Q&A
constraining dofs across distributed mesh
Thank you Danial for the explanation. I used the IndexSet::add_index() method and its seems to be
8/5/19
Vivek Kumar
,
Daniel Arndt
3
7/11/19
Q&A
Equivalent option for local_range() for Trilinos vectors
Thanks Daniel, it worked. On Wednesday, July 10, 2019 at 9:59:08 PM UTC-4, Daniel Arndt wrote: Vivek,
unread,
boundary_conditions
petsc
trilinos
Q&A
Equivalent option for local_range() for Trilinos vectors
Thanks Daniel, it worked. On Wednesday, July 10, 2019 at 9:59:08 PM UTC-4, Daniel Arndt wrote: Vivek,
7/11/19
Bruno Blais
, …
Wolfgang Bangerth
4
6/17/19
Q&A
Sliding mesh-like approach using dealii
Dear Earl and Wolfgang, Thanks for the very thorough answer. I will definitely look into it this year
unread,
boundary_conditions
fluid_mechanics
Q&A
Sliding mesh-like approach using dealii
Dear Earl and Wolfgang, Thanks for the very thorough answer. I will definitely look into it this year
6/17/19
Anton
,
Wolfgang Bangerth
6
4/9/19
Q&A
project_boundary_values for components
On 4/9/19 2:23 AM, Anton wrote: > > Thank you for the help. I think I have it working in the
unread,
boundary_conditions
Q&A
project_boundary_values for components
On 4/9/19 2:23 AM, Anton wrote: > > Thank you for the help. I think I have it working in the
4/9/19
gabriel...@koeln.de
, …
Gabriel Peters
17
4/5/19
Q&A
Applying boundary values in parll::distr:triang setting for two dof_handler Sparsematrux
Gabriel Peters Endenicher Str. 310 53121 Bonn 00491525/5478185 Gabriel...@koeln.de Am 05.04.19 um
unread,
boundary_conditions
p4est
petsc
Q&A
Applying boundary values in parll::distr:triang setting for two dof_handler Sparsematrux
Gabriel Peters Endenicher Str. 310 53121 Bonn 00491525/5478185 Gabriel...@koeln.de Am 05.04.19 um
4/5/19
Gary Uppal
,
Konrad
6
3/23/19
Q&A
advection diffusion with periodic boundaries
Hi Konrad, I figured out my error. I was imposing constraints differently on the advection matrix
unread,
boundary_conditions
Q&A
advection diffusion with periodic boundaries
Hi Konrad, I figured out my error. I was imposing constraints differently on the advection matrix
3/23/19
chenxi....@gmail.com
,
Wolfgang Bangerth
2
3/13/19
Q&A
Meeting some questions using constraints to apply boundary values
> I am coding for my graduation design, and hoping to achieve a coupling > geomechanics and
unread,
boundary_conditions
Q&A
Meeting some questions using constraints to apply boundary values
> I am coding for my graduation design, and hoping to achieve a coupling > geomechanics and
3/13/19
ky...@math.uh.edu
, …
Wolfgang Bangerth
4
12/30/18
Q&A
Interpolated Boundary Conditions from Distributed Solution
On 12/13/18 4:24 AM, ky...@math.uh.edu wrote: > > I will report back with a minimal test case.
unread,
boundary_conditions
mpi
Q&A
Interpolated Boundary Conditions from Distributed Solution
On 12/13/18 4:24 AM, ky...@math.uh.edu wrote: > > I will report back with a minimal test case.
12/30/18
mrjonm...@gmail.com
,
Wolfgang Bangerth
4
11/28/18
Q&A
interpolate_boundary_values not adding to ConstraintMatrix
On 11/28/2018 10:48 AM, mrjonm...@gmail.com wrote: > > When you say "the DG elements
unread,
boundary_conditions
Q&A
interpolate_boundary_values not adding to ConstraintMatrix
On 11/28/2018 10:48 AM, mrjonm...@gmail.com wrote: > > When you say "the DG elements
11/28/18
Tianju Xue
,
Wolfgang Bangerth
2
12/31/18
Q&A
Boundary issues with mixed finite element for Laplacian equation
Tianju, > |I am solving a Laplacian equation with mixed finite element > with/**/|/*Taylor-Hood
unread,
boundary_conditions
laplace_poisson
Q&A
Boundary issues with mixed finite element for Laplacian equation
Tianju, > |I am solving a Laplacian equation with mixed finite element > with/**/|/*Taylor-Hood
12/31/18
Bruno Blais
, …
Daniel Arndt
8
1/30/19
Q&A
Change in the behavior of Boundary Id interpretation from GMSH 2 to GMSH 4?
Dear Daniel, Sorry I dropped the ball on this one. I checked out the patch and tested it on two of my
unread,
basics
boundary_conditions
manifold
Q&A
Change in the behavior of Boundary Id interpretation from GMSH 2 to GMSH 4?
Dear Daniel, Sorry I dropped the ball on this one. I checked out the patch and tested it on two of my
1/30/19
Oleg Kmechak
,
Wolfgang Bangerth
8
12/6/18
Q&A
Boundary conditions on segments
Thanks a lot. Regards, Oleg Kmechak On Fri, 7 Dec 2018 at 01:13, Wolfgang Bangerth <bangerth@
unread,
boundary_conditions
laplace_poisson
mesh_generator
Q&A
Boundary conditions on segments
Thanks a lot. Regards, Oleg Kmechak On Fri, 7 Dec 2018 at 01:13, Wolfgang Bangerth <bangerth@
12/6/18
Lucky Qin
, …
Wolfgang Bangerth
5
10/11/18
Q&A
Boundary condition from nodal traction values
Dear Dr. Bangerth, Thank you for the explanation. I am trying to study fluid-structure interaction
unread,
boundary_conditions
solid_mechanics
Q&A
Boundary condition from nodal traction values
Dear Dr. Bangerth, Thank you for the explanation. I am trying to study fluid-structure interaction
10/11/18
Artur Safin
,
Wolfgang Bangerth
2
8/9/18
Q&A
Satisfying conditions on the interface for a fluid-structure interaction type of problem
Artur, > I have a fluid-structure interaction type of problem to solve, where on one > domain I
unread,
boundary_conditions
fluid_structure_interation
Q&A
Satisfying conditions on the interface for a fluid-structure interaction type of problem
Artur, > I have a fluid-structure interaction type of problem to solve, where on one > domain I
8/9/18