Re: [deal.II] FEInterfaceValues

2021-01-09 Thread Timo Heister
ic you are using in the assembly, where you identify DoF indices (you called them local_interface_dof_indices) and you add them using dsp.add(i,j) where i and j are all indices in local_interface_dof_indices. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located a

Re: [deal.II] Re: Slepc Solver Dimension error

2021-01-07 Thread Timo Heister
g emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/7C57CF5F-FE43-4DC0-9FD2-CBDF5005B05A%40gmail.com. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II projec

Re: [deal.II] Re: Tips on writing "versatile" assembly function

2021-01-05 Thread Timo Heister
t makes a lot of sense. > Thanks! > Bruno > > On Tuesday, January 5, 2021 at 4:34:19 p.m. UTC-5 Timo Heister wrote: >> >> Hi Bruno, >> >> We mitigate the performance problem by making the decision per cell in >> ASPECT: >> We have a set of "assemblers

Re: [deal.II] Re: Tips on writing "versatile" assembly function

2021-01-05 Thread Timo Heister
ssembly function? I would be very interested in hearing the perspective of >>> the ASPECT author since it has such a large range of sub models. >>> >>> > -- > The deal.II project is located at http://www.dealii.org/ > For mailing list/forum options, see >

Re: [deal.II] Coming back to dealii after a long time

2021-01-02 Thread Timo Heister
way. See https://github.com/dealii/dealii/wiki/Getting-deal.II for some guidance. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this

Re: [deal.II] Coming back to dealii after a long time

2021-01-02 Thread Timo Heister
org/download.html ? I think we fixed this issue a while ago. If this is the case, what kind of processor/mac do you have? -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/fo

Re: [deal.II] Using Dealii to developing aa finite element software on Windows

2020-12-28 Thread Timo Heister
ng emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/a4df4788-b1c4-44e6-97c1-b06b6912554dn%40googlegroups.com. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The d

Re: [deal.II] FEInterfaceValues

2020-12-26 Thread Timo Heister
EInterfaceValues like feiv.get_fe_face_values(0).get_function_values(...) feiv.get_fe_face_values(1).get_function_values(...) -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.

[deal.II] new publication about the design of the deal.II library published

2020-12-21 Thread Timo Heister
oper of deal.II, I think you might find it to be an interesting read. Thank you for being part of this great community and happy holidays. Best, Timo (and co-authors) -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing

Re: [deal.II] FEInterfaceValues

2020-12-16 Thread Timo Heister
EInterfaceValues directly on a small test mesh. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to

Re: [deal.II] Re: Gmsh support on Deal.II Virtualbox image

2020-12-15 Thread Timo Heister
//groups.google.com/d/forum/dealii?hl=en > --- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googleg

Re: [deal.II] Suggestions for "cheap" distributed preconditioner for transient systems?

2020-12-07 Thread Timo Heister
of cost independent of h and other problem parameters) without exploiting PDE-specifics. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You

Re: [deal.II] Suggestions for "cheap" distributed preconditioner for transient systems?

2020-12-06 Thread Timo Heister
you just applying ILU to the whole system? My general advice is to exploit the block structure of your PDE first and then apply ILU or AMG to individual blocks. Time dependent Navier-Stokes with small time steps is a relatively easy case. Let me know if you want more details. -- Timo Heister http:/

Re: [deal.II] Periodic Boundary conditions on Step-3 tutorial with dim != spacedim

2020-11-23 Thread Timo Heister
u specify the location of your deal.II library. > Also, I will be sure to put a pull request if it works. Awesome! Let us know if you need help at any point. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ F

Re: [deal.II] Periodic Boundary conditions on Step-3 tutorial with dim != spacedim

2020-11-22 Thread Timo Heister
eceived this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > To view this discussion on the web v

Re: [deal.II] Re: parallel::distributed::Triangulation: Wrong level n_dofs after

2020-11-02 Thread Timo Heister
I User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/73afa160-05bd-420b-93ac-62ffac19b8b8n%40googleg

Re: [deal.II] dealii installation issue on NERSC Cori

2020-10-26 Thread Timo Heister
> make[3]: *** No rule to make target '/usr/lib64/libopenblas.so', needed by > 'step-1'. Stop. That means this library is missing on the compute node. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum opt

Re: [deal.II] dealii installation issue on NERSC Cori

2020-10-26 Thread Timo Heister
1.6GB. Do you know what the above error signifies? Thank you. > > Best, > Aaditya > > > > On Sunday, October 25, 2020 at 2:10:21 PM UTC-4 Timo Heister wrote: >> >> > Seems like there might then be some issue with the LAPACK, P4EST or PETSC >> > install

Re: [deal.II] dealii installation issue on NERSC Cori

2020-10-25 Thread Timo Heister
cognized: file truncated This sounds like the linking of the .so file failed. Can you take a look at this file (check the size?)? You can try deleting the file and running "make install" again. Maybe the last linker step failed? If this does not help, maybe try the release mode examples

Re: [deal.II] Re: Pressure-correction scheme: Behaviour of the H1 norm on the Taylor-Green vortex

2020-10-24 Thread Timo Heister
maybe something higher order depending on your scheme). -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because

Re: [deal.II] dealii installation issue on NERSC Cori

2020-10-24 Thread Timo Heister
Running the tests seems to have triggered a rebuild of deal.iII. Can you try running some of the tutorial steps instead? On Fri, Oct 23, 2020, 17:05 Aaditya Lakshmanan wrote: > Hi Wolfgang, >I tried compiling, installing and running the deal.ii tests > interactively on a KNL compute node.

Re: [deal.II] Re: Pressure-correction scheme: Behaviour of the H1 norm on the Taylor-Green vortex

2020-10-23 Thread Timo Heister
> On another note, I remember having a discussion about this with Timo Heister > at the deal.II workshop in 2019. Maybe Timo has ideas on this? I know he is > quite the expert on algorithms to solve the Stokes / Navier-Stokes equations > (e.g. his paper on the grad-div scheme, etc.)

Re: [deal.II] Issue with MeshWorker::InegrationInfo.values

2020-10-12 Thread Timo Heister
ll get > the same error. > > To be honest, I am not shure how to tackle either apporach. > > Thank you very much. > > Best regards, > Gregor > > > > > > > > > Timo Heister schrieb am Samstag, 26. September 2020 um 21:44:05 UTC+2: >> >> H

Re: [deal.II] "locked" vtu outputs

2020-10-10 Thread Timo Heister
allel file system) Best, Timo -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to th

Re: [deal.II] Issue with MeshWorker::InegrationInfo.values

2020-09-26 Thread Timo Heister
see > https://groups.google.com/d/forum/dealii?hl=en > --- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubs

Re: [deal.II] PETSC issue while trying to run step-18

2020-09-23 Thread Timo Heister
ated at http://www.dealii.org/ > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > --- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and sto

Re: [deal.II] Issue with unstructured hex mesh

2020-09-23 Thread Timo Heister
Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/5f6253d8-11a6-a530-ab57-5e6f020a650f%40colostate.ed

Re: [deal.II] Re: Initialization of PETSc::MPI::BlockSparseMatrix

2020-09-16 Thread Timo Heister
s is what the assertion checks. I think that this check is correct. If you want your first block to be 1815 DoFs large, then rows[0].size() needs to be 1815. How are you creating these IndexSets? I find the function IndexSet::split_by_block() convenient to use. -- Timo Heister http://www.math.clemson.edu

[deal.II] Re: Initialization of PETSc::MPI::BlockSparseMatrix

2020-09-14 Thread Timo Heister
Hi, I don't quite understand your reasoning for a block with 0 DoFs. Try removing any rows/columns from your block sparsity pattern and from your IndexSet's that have size 0. Notice that the number of blocks is independent of the number of components in your FEM. Can you post the values for

[deal.II] lecture on deal.II and p4est for parallel copmutations

2020-09-13 Thread Timo Heister
multigrid and how far we can scale computations these days. A recording is now available here: https://www.youtube.com/watch?v=K2xjCsXnfYI I hope this is useful for some of you. Best, Timo -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http

Re: [deal.II] Error while installing dealii using candi

2020-09-13 Thread Timo Heister
You are running out of RAM while compiling. Try compiling without -j if necessary. On Sun, Sep 13, 2020, 01:38 Animesh Rastogi IIT Gandhinagar < animesh.rast...@alumni.iitgn.ac.in> wrote: > > Dear Dealii community, > > I am reinstalling dealii using candi on my PC. Here is the error, I am >

[deal.II] Re: Can not access the files for Quasi-Static Finite-Strain Compressible Elasticity program

2020-09-10 Thread Timo Heister
Take a look at this repository: https://github.com/dealii/code-gallery All files should be in there. On Thursday, September 10, 2020 at 2:08:50 PM UTC-4 animesh...@alumni.iitgn.ac.in wrote: > Dear All, > > I can not access the Readme, parameters and other files from the code > gallery

Re: [deal.II] Looping over all the active children of an arbitrary cell

2020-08-22 Thread Timo Heister
ealii.org/ > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > --- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from

Re: [deal.II] deal.ii Installation : expand_instantiations Error

2020-08-22 Thread Timo Heister
t;>> person(https://github.com/JBlaschke) helping me out asked me to contact the >>> developers. I would really appreciate your help on this. >>> >>> Thank you. >>> >>> >>> >>> >>> -- >>> The deal.II project is

Re: [deal.II] Installation stopped

2020-07-22 Thread Timo Heister
ser Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/CA%2B25a%3DK%2B-6K5skeUiYo_uC6UBCYFdGeYwjJdR8n25XHcbEbWqg%40mail.gmail.com.

Re: [deal.II] Interest in a step-12-like DG tutorial but for the advection-diffusion equation?

2020-07-10 Thread Timo Heister
automatic > differentiation tools that > we have, or to easily write a posteriori error estimators… If anybody is > looking for a starter project, this may be a very nice one. Yes, also on my todo list for "some day". :-) -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.I

Re: [deal.II] Interest in a step-12-like DG tutorial but for the advection-diffusion equation?

2020-07-10 Thread Timo Heister
ails from it, send an > email to dealii+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/b931b23c-b284-4047-a887-d500ac9e8486o%40googlegroups.com. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II pro

[deal.II] ASPECT v2.2.0 released

2020-07-03 Thread Timo Heister
billion unknowns (see https://arxiv.org/abs/1907.06696 for details). See https://aspect.geodynamics.org/ and https://github.com/geodynamics/aspect/releases/tag/v2.2.0 for more information about ASPECT. Best, Timo -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project

[deal.II] Re: online deal.II workshop: Tuesday, May 26, 2020

2020-05-31 Thread Timo Heister
Hi all, the videos and slides are now available at https://dealii.org/workshop-2020/ On Monday, May 25, 2020 at 3:53:24 PM UTC-4, Timo Heister wrote: > > Hi all, > > the information on how to join is now available at > https://dealii.org/workshop-2020/ > > Please join

[deal.II] Re: online deal.II workshop: Tuesday, May 26, 2020

2020-05-25 Thread Timo Heister
Hi all, the information on how to join is now available at https://dealii.org/workshop-2020/ Please join us tomorrow! Best, Timo On Tuesday, May 19, 2020 at 8:40:31 PM UTC-4, Timo Heister wrote: > > Hi all, > > we would like to announce a one day-deal.II workshop on

[deal.II] Re: How can I add curl conforming boundary constraints to the Multigrid transfer matrices?

2020-05-22 Thread Timo Heister
Great, can I convince you to send in a pull request with your changes to deal.II? That would be very much appreciated. Let us know if you need help with that. -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see

[deal.II] Re: How can I add curl conforming boundary constraints to the Multigrid transfer matrices?

2020-05-20 Thread Timo Heister
Hi Julian, you will need to extend MGTransferPrebuilt::prolongate with support for user constraints: https://github.com/dealii/dealii/blob/70455cc1efde9ad0d5ca4295ea5597fc2fa98171/source/multigrid/mg_transfer_prebuilt.cc#L93 This might be as simple as a call to

[deal.II] online deal.II workshop: Tuesday, May 26, 2020

2020-05-19 Thread Timo Heister
/workshop-2020/ Best, Timo and Wolfgang -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed

[deal.II] Re: Deal.ii insttallation issues

2020-04-09 Thread Timo Heister
Malik, There is three different directories at play: 1. build directory (this is where you run cmake in) 2. the source directory (this is the deal.II download and contains CMakeLists.txt and source/ include/, etc.) 3. the install directory All three directories can be anything you want. For

[deal.II] postdoc at Clemson University

2019-11-06 Thread Timo Heister
be as early as January. For more information, please see: https://apply.interfolio.com/70228 Feel free to contact heis...@clemson.edu if you have any questions. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum

Re: [deal.II] installation fails with intel/19.0.5

2019-10-05 Thread Timo Heister
Eijkhout wrote: > > > > On Oct 5, 2019, at 4:13 PM, Timo Heister wrote: > > -D DEAL_II_WITH_MPI=ON \ > -D DEAL_II_CXX_FLAGS="-march=native" \ > -D DEAL_II_WITH_CXX17=OFF \ > -D DEAL_II_WITH_64BIT_INDICES=ON \ > -D DEAL_II_COMPONENT_EXAMPLES=

Re: [deal.II] installation fails with intel/19.0.5

2019-10-05 Thread Timo Heister
./deal-git This is with Intel 19.0.5 and intel MPI. You can also run without 64bit indices, but I need it to be able to do large runs with more than 4 billion DoFs. On Sat, Oct 5, 2019 at 11:10 AM Victor Eijkhout wrote: > > > > On Oct 5, 2019, at 9:27 AM, Timo Heister wrote: > > Otherwise

Re: [deal.II] installation fails with intel/19.0.5

2019-10-05 Thread Timo Heister
e web visit > https://groups.google.com/d/msgid/dealii/CAOYDWbJdQ8%2BEbCREUCJ8VXgCoZP3qYatkvg%3DQ%2BT5PU%3DufwYufg%40mail.gmail.com. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.

Re: [deal.II] VectorTools::Compress() fails after mesh_loop and distribute_local_to_global

2019-08-31 Thread Timo Heister
ore calling set_zero(). > > -- > The deal.II project is located at http://www.dealii.org/ > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > --- > You received this message because you are subscribed to the Google Groups > "deal.II User

Re: [deal.II] step-22 compute_no_normal_flux_constraints

2019-04-15 Thread Timo Heister
s://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_forum_dealii-3Fhl-3Den=DwIFaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=QVz-0qa-BE17tx8qPdxGM1rRo9ff7D68_fU_ptB7amo=RkLbASOUUx7tA80Bri9yrzo98EtTJd37rlweHmB4oPg= > ---

Re: [deal.II] Step 46: pressure uniquely defined

2018-08-18 Thread Timo Heister
ps.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=bcIbcHElg1BGpLoA0M-tnKwLnDNHIcibLzDgJkMhwaE=7N-i5PNeYieD4LtOPMSjoPoA625VXXlDgVY33XVClks=. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.or

Re: [deal.II] Error during configuration since 9.0.0

2018-05-15 Thread Timo Heister
=9fDnmOSCxS5yFCw120CTH9AshVulxZQWCoOKMTVli6o= > --- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@goog

Re: [deal.II] Re: Problem with installing dealii with macOS 10.13.4

2018-05-03 Thread Timo Heister
groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=8NnsLGUmM8lBYr-vfh_C3OPSzsZL6HE9btGBALQEaD0=5aSJb8OUYMhxscJfuzk6blbqYIRVSXazkk2tXbf5rKY=. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located

Re: [deal.II] Re: Windows install issue

2018-05-03 Thread Timo Heister
-- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > For more options, visit > htt

Re: [deal.II] Modify quadrature weights on a per-cell basis?

2018-04-24 Thread Timo Heister
ues.JxW(q) There are a few exceptions like get_function_values() that depend on the quadrature weights, but if you only want to do assembly, this hack should work. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, s

Re: [deal.II] Building issue: undefined reference to SolutionTransfer

2018-04-24 Thread Timo Heister
n > email to dealii+unsubscr...@googlegroups.com. > For more options, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=TjzN-LMQUtQJoM1bxgcw94aP7tCtQ2r10b

Re: [deal.II] Re: Problem with parallelization when using hyper_cube_slit

2018-04-16 Thread Timo Heister
ailing list/forum options, see > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_forum_dealii-3Fhl-3Den=DwIFaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=pll_qCI8ZY-oMy-zFQG7zFp22DLzRo2a2Ceab7GJi0w=qVHJw_tDWv64Vtyp

Re: [deal.II] dealii 8.5.1 installation issue (spack, docker, debian)

2018-03-12 Thread Timo Heister
u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=f-TM9W3TMFMvyfA8yPbPFmwkCovncx08P0sOpP_xQjs=WrmWunU4vDamo-21zJ6nSd9Vc2pIEKGUZtU6H5sCeYU=. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II p

Re: [deal.II] implement weak formulation of biharmonic equation

2018-02-26 Thread Timo Heister
struggle with this, you should probably go back and work through the first tutorials. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You re

Re: [deal.II] implement weak formulation of biharmonic equation

2018-02-26 Thread Timo Heister
ssignment is not done inside the loop. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to t

Re: [deal.II] project_boundary_values for Stokes equations

2018-02-22 Thread Timo Heister
ns, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=8teVs2Dl-uJLObDYEkzG-7e8YqH4XvNB-oZpCqBfVmg=EKokJBGcOix21OVFY2QpQDK3YBNsy-x11HCOtLvKLis= > . -- Timo Heister http://www.math.clemson.edu/~heist

Re: [deal.II] Issue with convergence of iterative linear solver for system matrix in modified step-57 with no-normal flux constraints

2018-02-19 Thread Timo Heister
in the zero constraints. I don't understand. You need boundary conditions in nonzero_constraints and zero_constraints for all boundaries. The reason for these two sets is that one is used for the initial solve, while the second one is used for the Newton updates. -- Timo Heister http://www.math

Re: [deal.II] Usage of MPI_Bcast with deal.II

2018-02-19 Thread Timo Heister
...@googlegroups.com. > For more options, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=tnGBi40Mnj-dzPJCqcSw7C9XgqSYphIXZnOwrFLc9Ps=NzpTXzJxAX8O3St5vmQOpl_tnJ6xSe5R3H7vH58Dv0Q= > .

Re: [deal.II] Issue with convergence of iterative linear solver for system matrix in modified step-57 with no-normal flux constraints

2018-02-18 Thread Timo Heister
ldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=ulWuM0dNK_XHF-DL_x2EvT8bMSBuSrV4XKcqEfBiLm8=IGenO_6vTVuLZb24YoNS8UKHad1Gw628aXOYYblETro= > . -- Timo Heister http://www.math.clemson.edu/~h

Re: [deal.II] Non smooth solution when the BC coincide with the processors boundaries?

2018-02-15 Thread Timo Heister
ser Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > For more options, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_

Re: AW: [deal.II] step-42 clarification

2018-02-05 Thread Timo Heister
q8fDSkWlrkBTY= -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups

Re: AW: [deal.II] step-42 clarification

2018-01-19 Thread Timo Heister
but I remember writing a debug function that checks if a ConstraintMatrix is consistent in parallel. This was a while back, but I can try to find it. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see http

Re: [deal.II] assertion failed: be_value_from_constant: unknown constant kind (shared/cfe/edgglue/edg_decl.c, line 1374)

2018-01-01 Thread Timo Heister
s, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=s9-JxMtAX-V7xfsZk0wMb5Rm3qyYQmbRWx4PMebi4DQ=a7yCVxLzZKK16Hz6MclXjC4kijpZg_L9690-VjRRhQE= > . -- Tim

Re: [deal.II] DOF Ordering in DofHandler

2017-12-17 Thread Timo Heister
put, the values are not > associated with the right dof. well, how do you obtain that vector and where is the data coming from? You probably want to use something like VectorTools::interpolate() to get a finite element vector of whatever function you have. This you can then send to DataOut.

Re: [deal.II] Re: Crack propagation

2017-12-05 Thread Timo Heister
> If I use your user element, I have to use OPEN MPI? now I have some issues > with Open MPI in Deal.ii What do you mean by "user element"? The example code in question requires deal.II to be configured with MPI. What vendor you use (OpenMPI, MPICH, ...) is up to you. -- T

Re: [deal.II] New Assert class (Discussion)

2017-12-04 Thread Timo Heister
l?u=https-3A__github.com_geodynamics_aspect_blob_master_CMakeLists.txt-23L149=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=8MrChrquRnUcalKx1yzXw8qsWYcILksWk_zaXDnfc20=L_VkpxtQJ0ypTXYC5UOaV1rMlEo7Hm-rF3K3d7IGE9A= -- Timo Heister http://www.math.clemson.edu/~heister/ --

Re: [deal.II] New Assert class (Discussion)

2017-12-04 Thread Timo Heister
legroups.com. > For more options, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=VspQ49D-XAgpTdrNH5ZSCeSLmdpzK74m-d3BpN8f5H8=mlLuQj3_EKeFWtkVOo_6AHKGS4pzYHEwAkIK3cbItt4=

Re: [deal.II] Re: Spurious eigenvalues

2017-12-01 Thread Timo Heister
l to 1 and so ignoring them is easier. 2. One could also zero out the constrained rows after the fact. 3. Did we rip out the support for removing the constrained entries from the matrix completely? -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located a

Re: [deal.II] Re: Errors when using MUMPS/PETSc LU

2017-11-30 Thread Timo Heister
>> Then you have to simplify your problem as much as possible until we >> can reproduce it. > > I am not sure of the best way to do it, as a have a rather large program and > I need it to build the system matrix. In your experience, saving the > matrices > to files and then just load them would be

Re: [deal.II] Problem while installing deal.II (version 8.0) on a cluster running CentOS 6.7.

2017-11-27 Thread Timo Heister
> Do you know how this version of NetCDF was installed? Do you need it? If > not, can you uninstall it? or do cmake -D DEAL_II_WITH_NETCDF=OFF -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum option

Re: [deal.II] computation of residual for step-40 like programs

2017-11-27 Thread Timo Heister
sembled in step 40. You assemble it like a RHS and then set constrained entries to zero. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received

Re: [deal.II] error in SolverFGMRES related destructor

2017-11-24 Thread Timo Heister
approach? Of course. That is the whole point of AL. Without it, the mass matrix is only a good approximation if the viscosity term is dominant (small Re). -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/foru

Re: [deal.II] Re: Errors when using MUMPS/PETSc LU

2017-11-17 Thread Timo Heister
eived this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > For more options, visit > https://urldefense.proofpoint.com/v2/

Re: [deal.II] LU Decomposition on multiple processors

2017-11-13 Thread Timo Heister
> However I still do not understand what that line in the documentation means. > Maybe it is a leftover? Yes it probably is. Thanks for pointing that out. I just submitted a fix here:

Re: [deal.II] New Mac OSX brew package

2017-11-09 Thread Timo Heister
> I'm using clang+gfortran. I have not tried using gcc for everything, but I > could give it a shot if you think it would be worth it. No, I was just curious. I don't have a strong preference for either. -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum

Re: [deal.II] New Mac OSX brew package

2017-11-09 Thread Timo Heister
kJzuxAuCAYqKGT3BLCh8fEk_J0zmuuQ= > > --- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups

Re: [deal.II] query FE support point type and additional info?

2017-11-09 Thread Timo Heister
thanks, Wolfgang. >> 1. How can I translate between generalized_support_point j and >> dof_per_cell index k? For example FE_DGRaviartThomas<2>(1) has 9 >> generalized_support_points but 12 dofs_per_cell. > > You can't. There is no obvious relationship between the two for > *generalized* support

[deal.II] query FE support point type and additional info?

2017-11-08 Thread Timo Heister
about the degrees of freedom or support points in this case? Thanks. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message b

Re: [deal.II] A_inverse in step-57

2017-11-07 Thread Timo Heister
ning into, I doubt that this is the case here. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you ar

Re: [deal.II] A few questions

2017-11-07 Thread Timo Heister
cation be varying throughout the course of the > simulation)? I would probably reply with "not very easy" but I let others with more experience jump in. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options,

Re: [deal.II] Re: [aspect-devel] Fwd: Aspect installation error on OS X El Capitan

2017-11-07 Thread Timo Heister
___ >> Aspect-devel mailing list >> aspect-de...@geodynamics.org >> https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.geodynamics.org_cgi-2Dbin_mailman_listinfo_aspect-2Ddevel=DwIFaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=sVpOvXG

Re: [deal.II] A_inverse in step-57

2017-11-06 Thread Timo Heister
get good performance especially if your problem is not Laplace-like. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message

Re: [deal.II] A_inverse in step-57

2017-11-06 Thread Timo Heister
> I tried > to use the same trick as in step-22, where an InnerPreconditioner was > defined to switch between SparseDirectUMFPACK in 2D and SparseILU in 3D. > However I found that SparseILU won't work even when in small 2D cases. To > verify this I tried to replace the SparseDirectUMFPACK in

Re: [deal.II] CellDataStorage with mesh refinement

2017-11-01 Thread Timo Heister
dler.cc-23L858=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=4DhDywRdwgpQcqLQhc9e3vXnNh9twLFXh6cAv-rYOtU=OmRYoVuKEIL1dlaaCOgQLqNoCmHaHzJulO4dsMuAq2o= -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://ww

Re: [deal.II] Test 4 failed, maybe different installation of MPI? then how to solve this?

2017-10-27 Thread Timo Heister
options, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=xqP0pwi1MCtRPItXgJGYSlWmAdkua1-iL_svoI2Icgg=Eq64x4K04k3VFV3CDPo-vz5RrxJJmqZn3nruLvMycQY= > . --

Re: [deal.II] deal.II on Mac OS Sierra

2017-10-27 Thread Timo Heister
le.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=tR6LjiGi5rSIXAb97vi-pCHhKTlrXyX9g-oF1ntDHaY=Nc38f4K8cTeM839HUBA3m-YjW-i7F3ilc2AzvZjKVHg= > . -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located a

Re: [deal.II] CellDataStorage with mesh refinement

2017-10-26 Thread Timo Heister
ng emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > For more options, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=4zqq8LzalJka1USe

Re: [deal.II] mapping_collection and step-27

2017-10-23 Thread Timo Heister
eceiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > For more options, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIFaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=fihUVnHITudx1

Re: [deal.II] A_inverse in step-57

2017-10-18 Thread Timo Heister
t;deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > For more options, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLx

Re: [deal.II] set_zero fails for multiple threads

2017-10-11 Thread Timo Heister
> But do I need to call it again after calling .set_zero()? No. It falls under "all other operations". -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.googl

Re: [deal.II] set_zero fails for multiple threads

2017-10-10 Thread Timo Heister
On Tue, Oct 10, 2017 at 3:49 PM, 'Maxi Miller' via deal.II User Group wrote: > I am coming out of a loop where I am doing > hanging_node_constraints.distribute_local_to_global(cell_residual, > local_dof_indices, local_residual); Do you compress() your vectors (and

Re: [deal.II] set_zero fails for multiple threads

2017-10-10 Thread Timo Heister
up" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > For more options, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs

Re: [deal.II] L2-norm gets decreased to certain value, but stays above threshold

2017-10-05 Thread Timo Heister
> Isn't the 'distribute'-line doing exactly that? Or is that a mistake? No, set_zero() will set the entries to zero, distribute() will set them to their correct nonzero entry. Also, how small are the errors that you are getting when it levels off? -- Timo Heister http://www.math.clemson.

Re: [deal.II] Re: installing dealii on a cluster

2017-10-05 Thread Timo Heister
options, visit > https://urldefense.proofpoint.com/v2/url?u=https-3A__groups.google.com_d_optout=DwIBaQ=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4=4k7iKXbjGC8LfYxVJJXiaYVu6FRWmEjX38S7JmlS9Vw=j8fsO4Jd3xzBvC3pZsZEFLckndfZe5_-suwGQOqxRpo=mydJTTdZkIVZCoymZnYZ0FHgczbSPW4WpBQLHzBnXn0= > .

Re: [deal.II] How does the step-20 work on spaces of Pn and Pn-1 elements?

2017-09-30 Thread Timo Heister
> Now my question. Does deal.ii allow to consider Qn x Qn as an "inner" > vector-valued FE space and inject this as replacement for RTn, thereby > ending up in blocks (n_u, n_u), (n_u, n_p), and (n_p, n_u) and use Qn-1 as > replacement for DG ending up in blocks (n_u, n_p), (n_p, n_u), and (n_p, >

  1   2   3   >