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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
llf m
,
Martin Kronbichler
5
11/15/19
Q&A
how to implement MatrixFreeOperation::compute_diagonal in vector-valued problem?(which modified based on step-37 which used Multigrid method)
And your suggestion to compare the diagonal is quite helpful, as inverse_entries is protected one may
unread,
matrix-free
multigrid
Q&A
how to implement MatrixFreeOperation::compute_diagonal in vector-valued problem?(which modified based on step-37 which used Multigrid method)
And your suggestion to compare the diagonal is quite helpful, as inverse_entries is protected one may
11/15/19
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
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
Maxi Miller
,
Wolfgang Bangerth
5
8/1/19
Q&A
MGTransferMatrixFree<> interpolate_to_mg() fails with segfault, when compiled in release mode
Found my mistake, I forgot to call mg_transfer.build(dof_handler); before doing anything with it. Am
unread,
bug
matrix-free
multigrid
Q&A
MGTransferMatrixFree<> interpolate_to_mg() fails with segfault, when compiled in release mode
Found my mistake, I forgot to call mg_transfer.build(dof_handler); before doing anything with it. Am
8/1/19
Maxi Miller
,
Wolfgang Bangerth
11
7/23/19
Q&A
Code tries to access DoF indices on artificial cells, even though those cells should not be artificial
On 7/22/19 5:23 AM, 'Maxi Miller' via deal.II User Group wrote: > Furthermore, based on my
unread,
mpi
multigrid
Q&A
Code tries to access DoF indices on artificial cells, even though those cells should not be artificial
On 7/22/19 5:23 AM, 'Maxi Miller' via deal.II User Group wrote: > Furthermore, based on my
7/23/19
Andreas Hegendörfer
, …
Anton Ermakov
6
9/17/21
Q&A
Eigenproblem and creating a preconditioner out of a linear operator, Eigensolver Selection
Dear Daniel, I am working on a similar problem (planetary acoustic oscillations). I am interested in
unread,
eigen_problem
linear_algebra
multigrid
Q&A
Eigenproblem and creating a preconditioner out of a linear operator, Eigensolver Selection
Dear Daniel, I am working on a similar problem (planetary acoustic oscillations). I am interested in
9/17/21
Michał Wichrowski
1/15/19
Multigrid starting from other level than finest does not work with adaptive refinement
Dear all, I am able to reproduce the problem with modified step-37, I expect the similar problem in
unread,
bug
h-refinement
multigrid
Multigrid starting from other level than finest does not work with adaptive refinement
Dear all, I am able to reproduce the problem with modified step-37, I expect the similar problem in
1/15/19
Michał Wichrowski
,
Daniel Arndt
3
1/10/19
Q&A
copy_triangulation removes limit_level_difference_at_vertices flag
Done: https://github.com/dealii/dealii/issues/7581 W dniu wtorek, 8 stycznia 2019 23:42:06 UTC+1
unread,
bug
mesh_generator
mpi
multigrid
Q&A
copy_triangulation removes limit_level_difference_at_vertices flag
Done: https://github.com/dealii/dealii/issues/7581 W dniu wtorek, 8 stycznia 2019 23:42:06 UTC+1
1/10/19
giovann...@hotmail.it
,
Bruno Turcksin
5
1/3/19
Q&A
Operations between sparse matrices with incompatible IndexSets
The version I am using is the developeing one, maybe a couple of days old, so it should work...Thank
unread,
linear_algebra
mpi
multigrid
multithreading
trilinos
Q&A
Operations between sparse matrices with incompatible IndexSets
The version I am using is the developeing one, maybe a couple of days old, so it should work...Thank
1/3/19
kvan...@protonmail.com
2
11/12/18
Q&A
How can I initialize the edge flux matrices properly using MGMatrixLocalBlocksToGlobalBlocks and MGMatrixBlockVector
The answer to my second question seems to be that the best reference in a DG context is G. Kanschat,
unread,
dg_methods
h-refinement
meshworker
multigrid
Q&A
How can I initialize the edge flux matrices properly using MGMatrixLocalBlocksToGlobalBlocks and MGMatrixBlockVector
The answer to my second question seems to be that the best reference in a DG context is G. Kanschat,
11/12/18
Alexander Knieps
,
Wolfgang Bangerth
4
3/20/18
Contributing back a small feature enhancement (MGTransferPrebuilt parallel PETSc support)
On 03/20/2018 10:43 AM, Alexander Knieps wrote: > > I think that makes sense. Are the other MG
unread,
development
multigrid
petsc
Contributing back a small feature enhancement (MGTransferPrebuilt parallel PETSc support)
On 03/20/2018 10:43 AM, Alexander Knieps wrote: > > I think that makes sense. Are the other MG
3/20/18
fea...@gmail.com
,
Wolfgang Bangerth
2
12/26/17
Q&A
multi-level hp -FEM
On 12/24/2017 08:23 PM, fea...@gmail.com wrote: > > I would like to ask, does Dealii now
unread,
hp_adaptivity
multigrid
Q&A
multi-level hp -FEM
On 12/24/2017 08:23 PM, fea...@gmail.com wrote: > > I would like to ask, does Dealii now
12/26/17