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Malhar T.
, …
Daniel Arndt
5
9/23/20
Using DataOut when dim != spacedim
Hello Daniel, It worked, Thank you. I had somehow missed step-38, I will look into it. Again, thank
unread,
basics
cpp
Using DataOut when dim != spacedim
Hello Daniel, It worked, Thank you. I had somehow missed step-38, I will look into it. Again, thank
9/23/20
Bruno Blais
, …
Timo Heister
6
7/10/20
Q&A
Interest in a step-12-like DG tutorial but for the advection-diffusion equation?
> where the FEInterfaceValues which is now included in ScratchData Yes, I was going to suggest
unread,
basics
dg_methods
suggestion
Q&A
Interest in a step-12-like DG tutorial but for the advection-diffusion equation?
> where the FEInterfaceValues which is now included in ScratchData Yes, I was going to suggest
7/10/20
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
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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
Victoria W.
, …
Wolfgang Bangerth
11
6/30/20
Q&A
GMesh 1D mesh input error
On 6/26/20 11:05 AM, Victoria W. wrote: > This fixed my problem in 2d, but I'm still having
unread,
basics
bug
manifold
mesh_generator
Q&A
GMesh 1D mesh input error
On 6/26/20 11:05 AM, Victoria W. wrote: > This fixed my problem in 2d, but I'm still having
6/30/20
Victoria W.
, …
Wolfgang Bangerth
5
6/10/20
Q&A
Particle Class Implementation
On 6/9/20 9:05 PM, Bruno Blais wrote: > > In additional to what Jean-Paul suggested, you can
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basics
bug
Q&A
Particle Class Implementation
On 6/9/20 9:05 PM, Bruno Blais wrote: > > In additional to what Jean-Paul suggested, you can
6/10/20
徐辉
, …
Wolfgang Bangerth
4
5/26/20
Q&A
Can dealii handle different type of element in a grid
Thanks sir, I will have a look at the tutorial you listed. Thank you for you all's time.
unread,
basics
Q&A
Can dealii handle different type of element in a grid
Thanks sir, I will have a look at the tutorial you listed. Thank you for you all's time.
5/26/20
Amit Singh
,
Wolfgang Bangerth
4
5/6/20
Q&A
Solving a PDE with a global (integral) constraint
On 5/6/20 9:47 AM, Amit Singh wrote: > Thank you very much for the response Dr. Bangerth. I admire
unread,
basics
fe_spaces
Q&A
Solving a PDE with a global (integral) constraint
On 5/6/20 9:47 AM, Amit Singh wrote: > Thank you very much for the response Dr. Bangerth. I admire
5/6/20
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
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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
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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
Oleg Kmechak
,
Wolfgang Bangerth
3
3/6/20
Q&A
step-6. Adaptive Refinement and Hanging nodes. On hyper cube mesh looks like hanging nodes are not constrained.
On 3/6/20 11:55 AM, Oleg Kmechak wrote: > > But if I change triangulation to hyper_cube, it
unread,
basics
bug
laplace_poisson
mesh_generator
Q&A
step-6. Adaptive Refinement and Hanging nodes. On hyper cube mesh looks like hanging nodes are not constrained.
On 3/6/20 11:55 AM, Oleg Kmechak wrote: > > But if I change triangulation to hyper_cube, it
3/6/20
Krishnakumar Gopalakrishnan
, …
Wolfgang Bangerth
5
1/15/20
Q&A
Facilities for computing the "goodness" of a mesh (i.e. something like a mesh-quality indicator)
On 1/15/20 10:42 AM, Krishnakumar Gopalakrishnan wrote: > > Thank you. This is certainly
unread,
basics
mesh_generator
Q&A
Facilities for computing the "goodness" of a mesh (i.e. something like a mesh-quality indicator)
On 1/15/20 10:42 AM, Krishnakumar Gopalakrishnan wrote: > > Thank you. This is certainly
1/15/20
Ellen M. Price
, …
luca.heltai
6
12/22/19
Q&A
Parallelizing step-33 with MPI
Dear Ellen, you may want to compare with this: https://github.com/luca-heltai/dealii/pull/91/files#
unread,
basics
mpi
Q&A
Parallelizing step-33 with MPI
Dear Ellen, you may want to compare with this: https://github.com/luca-heltai/dealii/pull/91/files#
12/22/19
Zhidong Brian Zhang
,
David Wells
3
12/11/19
Q&A
Maybe typo on Step-40's webpage
Dear, David, Thank you very much for your timely reply! Now it is clear. It is so important to double
unread,
basics
Q&A
Maybe typo on Step-40's webpage
Dear, David, Thank you very much for your timely reply! Now it is clear. It is so important to double
12/11/19
Oleg Kmechak
, …
Wolfgang Bangerth
8
12/15/19
Q&A
Optimization of Laplacea Equation Solver
Thank You for answer! With best, Oleg On Wednesday, 11 December 2019 15:56:35 UTC+1, Wolfgang
unread,
basics
cpp
laplace_poisson
multithreading
Q&A
Optimization of Laplacea Equation Solver
Thank You for answer! With best, Oleg On Wednesday, 11 December 2019 15:56:35 UTC+1, Wolfgang
12/15/19
Zhidong Brian Zhang
,
David Wells
5
12/10/19
Q&A
Vector conversion problem: between dealii::PETScWrappers::MPI::Vector and a PETSc Vec
It makes much sense! Right now, it works by using the deprecated function (generating MPI::Vector
unread,
basics
mpi
petsc
Q&A
Vector conversion problem: between dealii::PETScWrappers::MPI::Vector and a PETSc Vec
It makes much sense! Right now, it works by using the deprecated function (generating MPI::Vector
12/10/19
Bruno Blais
,
Wolfgang Bangerth
3
11/18/19
Q&A
Getting the normal vector of a cell in <dim,spacedim> where dim<spacedim
Wolfgang, Thanks, this is exactly what I needed at exactly the right place... I feel slightly dumb
unread,
basics
manifold
Q&A
Getting the normal vector of a cell in <dim,spacedim> where dim<spacedim
Wolfgang, Thanks, this is exactly what I needed at exactly the right place... I feel slightly dumb
11/18/19
Juan Carlos Araujo Cabarcas
,
Bruno Turcksin
7
10/28/19
Q&A
optimization, SolverBFGS
Thanks for the help, now it is running nicely! On Monday, 28 October 2019 15:05:19 UTC+1, Bruno
unread,
basics
cpp
feature_request
suggestion
Q&A
optimization, SolverBFGS
Thanks for the help, now it is running nicely! On Monday, 28 October 2019 15:05:19 UTC+1, Bruno
10/28/19
Zhidong Brian Zhang
, …
Konrad Simon
14
10/24/19
Q&A
How to use CellId class
Thanks a lot, Konrad! I will try to compare your "map" method to the "FE_DGQ"
unread,
basics
Q&A
How to use CellId class
Thanks a lot, Konrad! I will try to compare your "map" method to the "FE_DGQ"
10/24/19
Stefan Käßmair
,
Daniel Arndt
2
10/5/19
Q&A
Error during refinement of a parallel distibuted quarter hyperball
Stefan, I am getting Abort: Expected '(int) edge_trees - (int) ta->elem_count': '
unread,
basics
h-refinement
Q&A
Error during refinement of a parallel distibuted quarter hyperball
Stefan, I am getting Abort: Expected '(int) edge_trees - (int) ta->elem_count': '
10/5/19
vachan potluri
2
9/24/19
Q&A
Calculation of local flux matrix in DG: looping over a cell's faces
Found the face ordering here https://www.dealii.org/current/doxygen/deal.II/structGeometryInfo.html
unread,
basics
dg_methods
Q&A
Calculation of local flux matrix in DG: looping over a cell's faces
Found the face ordering here https://www.dealii.org/current/doxygen/deal.II/structGeometryInfo.html
9/24/19
Maxi Miller
,
David Wells
2
8/26/19
Q&A
Mixed-precision algorithms in deal.II
Hi Maxi, The AffineConstraints class does not support using mixed precision and I am not aware of any
unread,
basics
Q&A
Mixed-precision algorithms in deal.II
Hi Maxi, The AffineConstraints class does not support using mixed precision and I am not aware of any
8/26/19
Bruno Blais
, …
Matthias Maier
11
8/15/19
Q&A
Testing with CTest : Testing the same executable with more than one ".prm" and ".output" combination
Very happy to hear that :-) I'd also love to get some feedback (in case you encounter some
unread,
basics
development
Q&A
Testing with CTest : Testing the same executable with more than one ".prm" and ".output" combination
Very happy to hear that :-) I'd also love to get some feedback (in case you encounter some
8/15/19
Maxi Miller
8/2/19
Q&A
Creation of diagonal matrix for the heat equation in a matrix-free context
Following step-37 I tried to extend it for non-linear equations, using a jacobian approximation for
unread,
basics
matrix-free
Q&A
Creation of diagonal matrix for the heat equation in a matrix-free context
Following step-37 I tried to extend it for non-linear equations, using a jacobian approximation for
8/2/19
Jhon Uribe
,
luca.heltai
4
7/31/19
Q&A
What is the path to the dealii installation directory in a containerized version?
Thank very much Luca, it worked! El mié., 31 jul. 2019 a las 1:35, luca.heltai (<luca.heltai@gmail
unread,
basics
Q&A
What is the path to the dealii installation directory in a containerized version?
Thank very much Luca, it worked! El mié., 31 jul. 2019 a las 1:35, luca.heltai (<luca.heltai@gmail
7/31/19
richard....@gmx.at
,
Daniel Arndt
3
7/31/19
Q&A
petsc & trilinos blocksparsematrix reinit with zero locally owned components
Dear Daniel, thank you very much for your quick and concise answer! Just for the record & other
unread,
basics
fluid_mechanics
mpi
petsc
trilinos
Q&A
petsc & trilinos blocksparsematrix reinit with zero locally owned components
Dear Daniel, thank you very much for your quick and concise answer! Just for the record & other
7/31/19
Maxi Miller
,
Martin Kronbichler
3
7/24/19
Q&A
Matrix-free-method for an operator depending on input from solver
Hei, based on what I know from literature a GMG-preconditioner with Chebyshev smoothing should work
unread,
basics
matrix-free
Q&A
Matrix-free-method for an operator depending on input from solver
Hei, based on what I know from literature a GMG-preconditioner with Chebyshev smoothing should work
7/24/19
Gary Roach
,
Wolfgang Bangerth
2
7/21/19
Q&A
Problem compiling/linking step-1 tutorial
On 7/21/19 12:27 PM, Gary Roach wrote: > Attached is a screen shot of my attempt to build step-1
unread,
basics
eclipse
Q&A
Problem compiling/linking step-1 tutorial
On 7/21/19 12:27 PM, Gary Roach wrote: > Attached is a screen shot of my attempt to build step-1
7/21/19
Maxi Miller
, …
Wolfgang Bangerth
11
7/19/19
Q&A
Create a LinearOperator with a function instead of a matrix
> Would that work together with the GMG-preconditioner? You mean you want to use the linear
unread,
basics
matrix-free
Q&A
Create a LinearOperator with a function instead of a matrix
> Would that work together with the GMG-preconditioner? You mean you want to use the linear
7/19/19
Maxi Miller
,
Daniel Arndt
3
7/16/19
Q&A
Implicit stepping methods from the TimeStepping-namespace for large sparse matrices
If I understand it correctly, that is equivalent to solving Ax = b, with A and b given, and x
unread,
basics
time_integration
Q&A
Implicit stepping methods from the TimeStepping-namespace for large sparse matrices
If I understand it correctly, that is equivalent to solving Ax = b, with A and b given, and x
7/16/19
Maxi Miller
, …
Wolfgang Bangerth
8
7/24/19
Q&A
Matrix-Vector-multiplication on deal.II-grid
On 7/23/19 2:46 PM, 'Maxi Miller' via deal.II User Group wrote: > I took a look at your (
unread,
basics
Q&A
Matrix-Vector-multiplication on deal.II-grid
On 7/23/19 2:46 PM, 'Maxi Miller' via deal.II User Group wrote: > I took a look at your (
7/24/19