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Alex Jarauta
,
Wolfgang Bangerth
3
6/26/20
Q&A
Step-22 with more than 20 million DOFs
Hi Wolfgang, thank you for your reply. I will look at the extensions of step-22, as well as the
unread,
fluid_mechanics
tutorials
Q&A
Step-22 with more than 20 million DOFs
Hi Wolfgang, thank you for your reply. I will look at the extensions of step-22, as well as the
6/26/20
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
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
vachan potluri
, …
Praveen C
8
9/19/19
Q&A
DG explicit time integration for linear advection equation with MeshWorker (suggestions)
step-33 does compute interior face integrals twice. One way I handle this is to attach a cell user
unread,
dg_methods
fluid_mechanics
meshworker
Q&A
DG explicit time integration for linear advection equation with MeshWorker (suggestions)
step-33 does compute interior face integrals twice. One way I handle this is to attach a cell user
9/19/19
Bruno Blais
,
Daniel Arndt
2
8/29/19
Q&A
Solving a TrilinosWrappers::BlockSparseMatrix using Trilinos iterative solver (step-57)
Bruno, I am currently trying to work on a "HPC-ready with Trilinos" version of step-57 for
unread,
fluid_mechanics
linear_algebra
trilinos
Q&A
Solving a TrilinosWrappers::BlockSparseMatrix using Trilinos iterative solver (step-57)
Bruno, I am currently trying to work on a "HPC-ready with Trilinos" version of step-57 for
8/29/19
Bruno Blais
,
arun gk
5
12/15/19
Q&A
PhD Position (deal.II related) in Computational Fluid Dynamics, Polytechnique Montreal, Montreal, Canada
dear sir.. Kindly see the attached Resume Please notify me when there is any vacancies available...
unread,
fluid_mechanics
Q&A
PhD Position (deal.II related) in Computational Fluid Dynamics, Polytechnique Montreal, Montreal, Canada
dear sir.. Kindly see the attached Resume Please notify me when there is any vacancies available...
12/15/19
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
Félix Bunel
,
Wolfgang Bangerth
4
6/29/19
Q&A
Augmented Lagrangian Method for Asymetric Stokes Problem
On 6/28/19 6:36 AM, Félix Bunel wrote: > > I tried a direct solver and it sucessfully solved my
unread,
fe_spaces
fluid_mechanics
linear_algebra
time_integration
tutorials
Q&A
Augmented Lagrangian Method for Asymetric Stokes Problem
On 6/28/19 6:36 AM, Félix Bunel wrote: > > I tried a direct solver and it sucessfully solved my
6/29/19
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
Bruno Blais
,
Wolfgang Bangerth
3
4/25/19
Q&A
Setting an initial condition by fixing the DOF values themselves
Dear Wolfgang, this was easier than I thought. I followed your suggestion and used VectorTools::
unread,
basics
fluid_mechanics
Q&A
Setting an initial condition by fixing the DOF values themselves
Dear Wolfgang, this was easier than I thought. I followed your suggestion and used VectorTools::
4/25/19
Jaekwang Kim
,
Wolfgang Bangerth
3
3/14/19
Q&A
ILU preconditioner and mesh-scale dependency?
Thanks for sharing insight! On Thursday, March 14, 2019 at 12:18:30 PM UTC-5, Wolfgang Bangerth wrote
unread,
dg_methods
fluid_mechanics
Q&A
ILU preconditioner and mesh-scale dependency?
Thanks for sharing insight! On Thursday, March 14, 2019 at 12:18:30 PM UTC-5, Wolfgang Bangerth wrote
3/14/19
Bruno Blais
, …
Wolfgang Bangerth
9
3/8/19
Q&A
Solving a system defined up to a constant (stabilized Navier-Stokes pressure definition)
On Thursday, 7 March 2019 23:35:15 UTC-5, Wolfgang Bangerth wrote: On 3/7/19 7:45 AM, Bruno Blais
unread,
fluid_mechanics
laplace_poisson
linear_algebra
Q&A
Solving a system defined up to a constant (stabilized Navier-Stokes pressure definition)
On Thursday, 7 March 2019 23:35:15 UTC-5, Wolfgang Bangerth wrote: On 3/7/19 7:45 AM, Bruno Blais
3/8/19
Bruno Blais
,
Wolfgang Bangerth
2
2/12/19
Q&A
Choosing the appropriate parameters for TrilinosWrappers::PreconditionILU for GLS stabilized Navier-Stokes
On 2/12/19 6:01 AM, Bruno Blais wrote: > > The documentation suggest an atol between 1e-2 and
unread,
fluid_mechanics
linear_algebra
trilinos
Q&A
Choosing the appropriate parameters for TrilinosWrappers::PreconditionILU for GLS stabilized Navier-Stokes
On 2/12/19 6:01 AM, Bruno Blais wrote: > > The documentation suggest an atol between 1e-2 and
2/12/19
Chinedu Nwaigwe
,
Jean-Paul Pelteret
2
12/5/18
Q&A
Re: [deal.II] Cooperation proposition
Dear Chinedu, Please be aware that the original post was deleted because it was unsolicited spam.
unread,
fluid_mechanics
Q&A
Re: [deal.II] Cooperation proposition
Dear Chinedu, Please be aware that the original post was deleted because it was unsolicited spam.
12/5/18
Feimi Yu
, …
Bruno Blais
5
1/28/19
Q&A
the viscous term in SUPG stabilization terms
I might be late to the party, But I believe what Wolfgang is trying to say is that Q1-Q1 elements are
unread,
fluid_mechanics
Q&A
the viscous term in SUPG stabilization terms
I might be late to the party, But I believe what Wolfgang is trying to say is that Q1-Q1 elements are
1/28/19
Jane Lee
,
Wolfgang Bangerth
2
11/25/17
Q&A
help with get_function_divergences for a vector solution
> I am of course using const FEValuesExtractors::Vector velocities (0); etc for > most of the
unread,
basics
fluid_mechanics
post-processing
tutorials
Q&A
help with get_function_divergences for a vector solution
> I am of course using const FEValuesExtractors::Vector velocities (0); etc for > most of the
11/25/17
SebG
, …
Wolfgang Bangerth
9
12/5/17
Q&A
error in SolverFGMRES related destructor
On 12/05/2017 11:01 AM, SebG wrote: > > It works quite well for very low Reynolds number flows.
unread,
fluid_mechanics
linear_algebra
Q&A
error in SolverFGMRES related destructor
On 12/05/2017 11:01 AM, SebG wrote: > > It works quite well for very low Reynolds number flows.
12/5/17
Oded Yaakobi
,
Wolfgang Bangerth
3
10/12/17
Q&A
Solving step-22 using a direct solver UMFPACK
Dear Wolfgang, Thank you for your quick answer. I addressed the two points that you have mentioned
unread,
fluid_mechanics
tutorials
Q&A
Solving step-22 using a direct solver UMFPACK
Dear Wolfgang, Thank you for your quick answer. I addressed the two points that you have mentioned
10/12/17
Oded Yaakobi
,
Wolfgang Bangerth
2
10/4/17
Q&A
Stokes flow under pressure gradient boundary conditions - an unexpected solution
Oded, > I tried to solve a slightly modified version of step-22 and obtained strange > results.
unread,
boundary_conditions
fluid_mechanics
tutorials
Q&A
Stokes flow under pressure gradient boundary conditions - an unexpected solution
Oded, > I tried to solve a slightly modified version of step-22 and obtained strange > results.
10/4/17
Jie Cheng
, …
Sebastian Glane
15
11/28/18
Q&A
Petrov-Galerkin stabilization approach to solve Navier-Stoke equations
Hi Sebastian, Sorry for the late reply. I do have similar observations that the effect of the
unread,
fluid_mechanics
Q&A
Petrov-Galerkin stabilization approach to solve Navier-Stoke equations
Hi Sebastian, Sorry for the late reply. I do have similar observations that the effect of the
11/28/18
neverwoke
, …
Eldar Khattatov
3
8/31/17
Q&A
Lagrange multipliers
One way of using Lagrange multipliers on the boundary is to have an additional full dimensional space
unread,
boundary_conditions
fluid_mechanics
Q&A
Lagrange multipliers
One way of using Lagrange multipliers on the boundary is to have an additional full dimensional space
8/31/17
Lukas Korous
, …
Wolfgang Bangerth
10
12/21/17
Q&A
Custom shapeset questions
Hi Wolfgang, once it is ready, sure. Lukáš Korous On Tue, Dec 19, 2017 at 5:55 PM, Wolfgang Bangerth
unread,
electro_magnetics
fluid_mechanics
Q&A
Custom shapeset questions
Hi Wolfgang, once it is ready, sure. Lukáš Korous On Tue, Dec 19, 2017 at 5:55 PM, Wolfgang Bangerth
12/21/17
Sumedh Yadav
, …
luca.heltai
5
4/9/17
Finite Element Method for Two Phase Flow
Or, you could use as a stable pair of finite elements the FE_Q(k)-FE_DGP(k-1) pair: D. Boffi and L.
unread,
fe_spaces
feature_request
fluid_mechanics
Finite Element Method for Two Phase Flow
Or, you could use as a stable pair of finite elements the FE_Q(k)-FE_DGP(k-1) pair: D. Boffi and L.
4/9/17
Sumedh Yadav
,
Daniel Arndt
2
4/7/17
Q&A
Inhomogeneous Dirichlet bounday conditions with Raviart-Thomas (RT) elements
Sumedh, I intend to use RT elements for my fluid flow problem and the test case (2D) is shear flow.
unread,
basics
fluid_mechanics
Q&A
Inhomogeneous Dirichlet bounday conditions with Raviart-Thomas (RT) elements
Sumedh, I intend to use RT elements for my fluid flow problem and the test case (2D) is shear flow.
4/7/17
Jaekwang Kim
,
Wolfgang Bangerth
7
2/9/17
Q&A
Assemble Righthand Side for vector-valued problem
On 02/09/2017 04:45 AM, Jaekwang Kim wrote: > > The manufactured solution of velocities has not
unread,
fluid_mechanics
linear_algebra
Q&A
Assemble Righthand Side for vector-valued problem
On 02/09/2017 04:45 AM, Jaekwang Kim wrote: > > The manufactured solution of velocities has not
2/9/17
Jaekwang Kim
, …
Bruno Turcksin
5
1/23/17
Q&A
Assemble system with variational right hand side
you are right. Sorry about that. I may test and learn more by myself. 2017년 1월 23일 월요일 오후 1시 21분 56초
unread,
basics
fluid_mechanics
Q&A
Assemble system with variational right hand side
you are right. Sorry about that. I may test and learn more by myself. 2017년 1월 23일 월요일 오후 1시 21분 56초
1/23/17
Oded Yaakobi
, …
Jean-Paul Pelteret
6
12/20/16
Q&A
BlockSparseMatrix and BlockVector with a nested hierarchy of blocks
Hi Jean-Paul, Thank you for your advises and interest in my problem. Yesterday, I came up with an
unread,
feature_request
fluid_mechanics
Q&A
BlockSparseMatrix and BlockVector with a nested hierarchy of blocks
Hi Jean-Paul, Thank you for your advises and interest in my problem. Yesterday, I came up with an
12/20/16
Oded Yaakobi
, …
Jean-Paul Pelteret
10
12/6/16
Q&A
Modeling Stokes flow in and around a droplet using the approach of step-46
Dear Wolfgang and Jean-Paul, I appreciate very much your assistance. The explanation in
unread,
fluid_mechanics
fluid_structure_interation
Q&A
Modeling Stokes flow in and around a droplet using the approach of step-46
Dear Wolfgang and Jean-Paul, I appreciate very much your assistance. The explanation in
12/6/16
JAEKWANG KIM
, …
Wolfgang Bangerth
4
10/18/16
Q&A
Easy way to calculate second-deviatoric tensor
Thank you all guys who replied here!!
unread,
basics
fluid_mechanics
Q&A
Easy way to calculate second-deviatoric tensor
Thank you all guys who replied here!!
10/18/16
Marc Fehling
10/7/16
Q&A
Convergence rate of solution scheme for incompressible Navier-Stokes equations
Dear community, as the question title suggests, I'm having trouble verifying the convergence
unread,
fluid_mechanics
h-refinement
Q&A
Convergence rate of solution scheme for incompressible Navier-Stokes equations
Dear community, as the question title suggests, I'm having trouble verifying the convergence
10/7/16