Re: [deal.II] simplex meshes in deal.II

2021-11-16 Thread Wolfgang Bangerth
On 11/15/21 6:53 PM, y choi wrote: FESystem fe; fe(FE_Q(1), dim) -> ??? FE_SimplexP should be what you are looking for instead of FE_Q. Best W. -- ---- Wolfgang Bangerth email: ba

Re: [deal.II] Question about distribute_local_to_global

2021-11-16 Thread Wolfgang Bangerth
output the entries of a matrix and a right hand side and solve the linear system in a different environment, then you better get the same result. Best W. -- Wolfgang Bangerth email: bange

Re: [deal.II] Install error with p4est

2021-11-16 Thread Wolfgang Bangerth
t version. (For example, I'm using p4est 2.0.2 on my main machines.) So if you have something that works, go with it! Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu

Re: [deal.II] Re: Mesh export, high order

2021-11-17 Thread Wolfgang Bangerth
-output-files-dont-make-sense-to-methey-seem-to-have-too-many-degrees-of-freedom Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http

Re: [deal.II] Extractors for local_rhs in step-22

2021-11-19 Thread Wolfgang Bangerth
#x27;d be happy to walk you through what is necessary for such a patch! Best Wolfgang -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colosta

Re: [deal.II] neumann boundary condition for a vector valued continuous FE equation using matrix free

2021-11-19 Thread Wolfgang Bangerth
st W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/

Re: [deal.II] Extractors for local_rhs in step-22

2021-11-19 Thread Wolfgang Bangerth
ks! W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.

Re: [deal.II] Problem about cell iterator

2021-11-22 Thread Wolfgang Bangerth
e by outputting the cell matrices and vectors. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II pro

Re: [deal.II] Changing code from dealii 9.0.1 to 9.2.0 : some issues with Constriant Matrix

2021-11-22 Thread Wolfgang Bangerth
understand what specific patch broke your code. Do you know how to bisect a git history? Best W> -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: h

Re: [deal.II] postive definiteness of the stiffness matrix for a `floating' structure

2021-11-29 Thread Wolfgang Bangerth
rivial and requires a couple hundred lines of code. You might want to take a look at how ASPECT does this here: https://github.com/geodynamics/aspect/blob/master/source/simulator/nullspace.cc Best W. -- ---- Wolfgang Bangerth

Re: [deal.II] Reusing an LU factorization in time-dependent problems, building on part of a matrix

2021-11-29 Thread Wolfgang Bangerth
o all variables at once. Block matrices/vectors are a tool to build preconditioners that work on specific blocks of a matrix. If that's not your goal, there is no need to use this tool. Best W. -- ---- Wolfgan

Re: [deal.II] Obtain quadrature point value locally

2021-12-01 Thread Wolfgang Bangerth
*point*: it has one or more coordinates. The *value* is something that *a function returns* to you when evaluated at a point. Best W. -- Wolfgang Bangerth email: bange...@colostate.edu

Re: [deal.II] Obtain quadrature point value locally

2021-12-02 Thread Wolfgang Bangerth
you changed the quadrature object to QGauss(3) when you changed the finite element to FE_Q(2)? Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.

Re: [deal.II] Reusing an LU factorization in time-dependent problems, building on part of a matrix

2021-12-05 Thread Wolfgang Bangerth
m_index(). Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https:/

Re: [deal.II] Store data from a Tensor<1, dim> to a Vector

2021-12-07 Thread Wolfgang Bangerth
it has anything to do with the line x[i] = cell->vertex(i) but instead with the fact that your vector 'x' has size zero. You need to set it to the correct size before you access elements 'x[i]'. Best W. -- ------

Re: [deal.II] Store data from a Tensor<1, dim> to a Vector

2021-12-08 Thread Wolfgang Bangerth
kind of equation you are solving. So, unless you explicitly say "update the node location with this kind of information", nothing will happen. Best W. -- ---- Wolfgang Bangerth email: b

Re: [deal.II] Dirichlet bc via apply_boundary_values function

2021-12-08 Thread Wolfgang Bangerth
that patch and recompile deal.II with it? Best Wolfgang -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II projec

Re: [deal.II] Generate explicit instantiations for a new member function

2021-12-09 Thread Wolfgang Bangerth
027a9e5cb8a4512376108d9bb2a2970%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637746613359216498%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=roVKkzNrvxNKc3h3wXmbT%2F%2BKNynbh4so69w113UGILE%3D&reserved=0>. -- ----

Re: [deal.II] Generate explicit instantiations for a new member function

2021-12-09 Thread Wolfgang Bangerth
file exist? If it doesn't, did you point deal.II at the directory into which you *installed* your compiled version of 10.0.0-pre, or the directory where you have the source files? Best W. -- ---- Wolfgang Bangerth

Re: [deal.II] Generate explicit instantiations for a new member function

2021-12-09 Thread Wolfgang Bangerth
application program. Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http

Re: [deal.II] v9.3.2 compilation error: sundials

2021-12-14 Thread Wolfgang Bangerth
ways work with the master branch or just apply the patch locally before you install. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colos

Re: [deal.II] Store data from a Tensor<1, dim> to a Vector

2021-12-14 Thread Wolfgang Bangerth
do for the finite element. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at

Re: [deal.II] evaluating basis functions at random points

2021-12-15 Thread Wolfgang Bangerth
s to be done. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mai

Re: [deal.II] Is any faster version of VectorTools::point_gradient?

2021-12-15 Thread Wolfgang Bangerth
Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For

Re: [deal.II] AFC stabilization method

2021-12-16 Thread Wolfgang Bangerth
am just wondering how I can access the entry of the global matrix and vector in this case. And I don't understand this question because you have already figured this out. Best W. -- ---- Wolfgang Bangerth em

Re: [deal.II] Evaluating an expression u(x), can that take *q_index* information

2021-12-21 Thread Wolfgang Bangerth
t step-7. Best WB -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/

Re: [deal.II] The assignment of solution variable

2021-12-22 Thread Wolfgang Bangerth
s/prescribed_velocity/prescribed_velocity.cc#L238-L264 This code creates constraints for individual DoFs, but you could as well just write the corresponding values into your solution vector. Best W. -- ---- Wolfgang Ba

Re: [deal.II] Introduction and request for feedback

2021-12-22 Thread Wolfgang Bangerth
! Best Wolfgang -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/

Re: [deal.II] Problems installing dealii-9.3.2 (AVX)

2021-12-25 Thread Wolfgang Bangerth
don't actually see anything that would be wrong :-) Best WB -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.

Re: [deal.II] unstable computation when using parallel computation (PETSC)

2022-01-09 Thread Wolfgang Bangerth
nt is always to elaborate on what "it doesn't work" precisely is. What happens? Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://ww

Re: [deal.II] unstable computation when using parallel computation (PETSC)

2022-01-09 Thread Wolfgang Bangerth
t it's impossible to say what the problem is. You need to develop debugging skills to figure out where it is. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu

Re: [deal.II] Re: Use of DoFRenumbering

2022-01-16 Thread Wolfgang Bangerth
, so there is no benefit in step-40. The only places where renumbering really matters is for advection-dominated problems solved with a preconditioner such as Gauss-Seidel or (S)SOR. Best W. -- Wolfgang Bangerth

Re: [deal.II] Importing quadratic element grid or transforming linear elements to quadratic elements

2022-01-16 Thread Wolfgang Bangerth
ace based on experimental data), is to describe the geometry via a manifold that is a known function. There are a couple more tutorial programs about that as well. Best W. -- ---- Wolfgang Bangerth ema

Re: [deal.II] PETScWrappers::MPI::BlockSparseMatrix

2022-01-17 Thread Wolfgang Bangerth
vector and matrix entries are always 'double'. If you want anything else, you have to say so when you compile PETSc. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu

Re: [deal.II] Importing quadratic element grid or transforming linear elements to quadratic elements

2022-01-17 Thread Wolfgang Bangerth
. Could you please refer the tutorial programs that imports linear cells and then modify to make the cells of higher degree polynomial order? step-53 and 54 are the right starting points. Best W. -- Wolfgang Bangerth

Re: [deal.II] PETSC error with candi installation

2022-01-17 Thread Wolfgang Bangerth
lfgang.Bangerth%40colostate.edu%7C1fae70197194469944d108d9d9dfdf21%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637780378717011972%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=mKf5fQMpHfm%2BWSUTNdNIHcmUyjrI2qkEDr5WvRA5axM%3D&reserved=0&

Re: [deal.II] PETSC error with candi installation

2022-01-17 Thread Wolfgang Bangerth
, figure out what it does, etc. I don't know where that information is printed -- you might have to dig in candi where it calls the PETSc configure.py script. Best W. -- Wolfgang Bangerth

Re: [deal.II] PETScWrappers::MPI::BlockSparseMatrix

2022-01-19 Thread Wolfgang Bangerth
olver. Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org

Re: [deal.II] Re: Error loading petsc shared library in step-40 when distributing cell matrix and rhs separately

2022-01-20 Thread Wolfgang Bangerth
atch. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.goo

Re: [deal.II] Solving time dependent heat equation with MPI (PETsc)

2022-01-23 Thread Wolfgang Bangerth
st W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.

Re: [deal.II] Solving time dependent heat equation with MPI (PETsc)

2022-01-27 Thread Wolfgang Bangerth
The code was submitted to the github (https://github.com/dealii/code-gallery/pull/92 Oh, doh, my apologies for forgetting about it! I hope to get around to reviewing it soon! Best W. -- Wolfgang Bangerth

Re: [deal.II] PETScWrappers::MPI::BlockSparseMatrix

2022-01-27 Thread Wolfgang Bangerth
to dig around a bit to see why it is not instantiating the function you want. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II

Re: [deal.II] Finding gradient of divergence over divergence normal

2022-01-28 Thread Wolfgang Bangerth
tion where you can integrate by parts to get rid of the divergence. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangert

Re: [deal.II] Finding gradient of divergence over divergence normal

2022-01-28 Thread Wolfgang Bangerth
should integrate it by parts. Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at

Re: [deal.II] Re: get_function_values giving different results depending on the number of MPI ranks

2022-01-31 Thread Wolfgang Bangerth
n create a github issue that documents this? Thanks in advance! Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth

Re: [deal.II] Help with step-7 Neumann boundary conditions

2022-01-31 Thread Wolfgang Bangerth
lution looks wrong, in which way it looks wrong, etc. Debugging typically starts with asking *yourself* precisely what doesn't work, and what that might mean for where the bug is. Best W. -- ---- Wolfgang Banger

Re: [deal.II] Help with step-7 Neumann boundary conditions

2022-01-31 Thread Wolfgang Bangerth
done for FEFaceValues. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://group

Re: [deal.II] PETSc error 63

2022-02-03 Thread Wolfgang Bangerth
CI6Mn0%3D%7C3000&sdata=yeXssjQAv1vFbozrqfGAqEYqhaVpoOphDWwP8IlWsi8%3D&reserved=0>. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ F

Re: [deal.II] PETSc error 63

2022-02-04 Thread Wolfgang Bangerth
st W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.

Re: [deal.II] Help with step-7 Neumann boundary conditions

2022-02-08 Thread Wolfgang Bangerth
small as you can, since this reduces the number of places where the bug can be. Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostat

Re: [deal.II] Solution mismatch (FullMatrix vs. PETScWrappers::MPI::SparseMatrix)

2022-02-08 Thread Wolfgang Bangerth
eason, either the matrix or the rhs are different. Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The de

Re: [deal.II] DataOut class only offers 6 digit output for double type?

2022-02-08 Thread Wolfgang Bangerth
st W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?

Re: [deal.II] My problem with dealii parallel scaling

2022-02-09 Thread Wolfgang Bangerth
veral 100,000 unknowns, and then try again with that. Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The de

Re: [deal.II] My problem with dealii parallel scaling

2022-02-09 Thread Wolfgang Bangerth
ed to find what that error actually is. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II projec

Re: [deal.II] Calculate cell center distance from a boundary

2022-02-10 Thread Wolfgang Bangerth
an't solve it exactly, and so whatever distance you get is going to be a finite-dimensional approximation of the exact distance function. Best W. -- ---- Wolfgang Bangerth email: bange..

Re: [deal.II] Smooth particles hydrodynamic implementation in DealII

2022-02-10 Thread Wolfgang Bangerth
his is done inside lethe. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.googl

Re: [deal.II] Calculate cell center distance from a boundary

2022-02-11 Thread Wolfgang Bangerth
derstanding any high level content. The best methods for the eikonal equation are all in the class of "fast marching method". It has its own wikipedia page: https://en.wikipedia.org/wiki/Fast_marching_method Best W. --

Re: [deal.II] Impose values inside a material/ not on the boundary

2022-02-11 Thread Wolfgang Bangerth
6fd4db4f40c08d9ed8727c3%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637801987794503970%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=MMXHnlG4USb1BqZxqfGnG2FZ9WGrLsdIkLeP%2B%2BDfvgo%3D&reserved=0>. -- -

Re: [deal.II] MPI & component_wise

2022-02-14 Thread Wolfgang Bangerth
ed on the physical components of the solution vector. Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The de

Re: [deal.II] MPI & component_wise

2022-02-14 Thread Wolfgang Bangerth
to get the latest version but is not there. Where can I find it? Take a look at include/deal.II/lac/la_parallel_vector.h Best W. -- Wolfgang Bangerth email: bange...@colostate.edu

Re: [deal.II] Impose values inside a material/ not on the boundary

2022-02-14 Thread Wolfgang Bangerth
s :-) Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ F

Re: [deal.II] Error in Parallel version of Step-26

2022-02-14 Thread Wolfgang Bangerth
anks in advance. Best Regards, Syed Ansari S. -- The deal.II project is located at http://www.dealii.org/ <https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.dealii.org%2F&data=04%7C01%7CWolfgang.Bangerth%40colostate.edu%7Cf320217cc9074f6da7ce08d9ed6c84a5%7Cafb58802ff7a4bb

Re: [deal.II] Help with step-7 Neumann boundary conditions

2022-02-14 Thread Wolfgang Bangerth
Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing

Re: [deal.II] MPI & component_wise

2022-02-15 Thread Wolfgang Bangerth
, ...). Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For

Re: [deal.II] Exporting hdf5 file in a loop

2022-02-16 Thread Wolfgang Bangerth
s.google.com%2Fd%2Fmsgid%2Fdealii%2F600b490f-2f1d-4003-8819-ecc302db3d56n%2540googlegroups.com%3Futm_medium%3Demail%26utm_source%3Dfooter&data=04%7C01%7CWolfgang.Bangerth%40colostate.edu%7Ca1494995e20447207baf08d9f13435ef%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637806029709944242%7CUnknown%7CTWFp

Re: [deal.II] Exporting hdf5 file in a loop

2022-02-16 Thread Wolfgang Bangerth
tors any more if you don't also output node data. This is of course exactly what DataOut is there for. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu

Re: [deal.II] Exporting hdf5 file in a loop

2022-02-16 Thread Wolfgang Bangerth
I said, the VTU output writer works even in the case of empty processes. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~ba

Re: [deal.II] Way to use the erf function with MuParser?

2022-02-16 Thread Wolfgang Bangerth
#L190-L192 and https://github.com/dealii/dealii/blob/master/source/base/mu_parser_internal.cc#L114-L118 Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu

Re: [deal.II] Coupled poroelastic-elastic problem

2022-02-17 Thread Wolfgang Bangerth
ary conditions. This may be the easier approach, in particular if the finite element spaces you use on both sides of the interface don't match. Best W. -- ---- Wolfgang Bangerth email: ba

Re: [deal.II] Triangulation from lower-dimensional object

2022-02-17 Thread Wolfgang Bangerth
. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum

Re: [deal.II] Impose values inside a material/ not on the boundary

2022-02-17 Thread Wolfgang Bangerth
should output? Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailin

Re: [deal.II] Re: MPI, synchronize processes

2022-02-17 Thread Wolfgang Bangerth
levant_solution; Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google

Re: [deal.II] Re: SolverControl stopping criteria

2022-02-22 Thread Wolfgang Bangerth
for testing purposes, it might be useful. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II p

Re: [deal.II] SLEPcWrapper eigenvalue solver

2022-02-22 Thread Wolfgang Bangerth
Dirichlet constraints, see the make_grid_and_dofs() function. What kinds of constraints do you want? Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http

Re: [deal.II] Imposing homogeneous Dirichlet boundary conditions with apply_boundary_values

2022-02-23 Thread Wolfgang Bangerth
subdivision of matrix and vector, and why are they different? How did you subdivide them? Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http

Re: [deal.II] SLEPcWrappers::SolverKrylovSchur Zero pivot problem

2022-02-25 Thread Wolfgang Bangerth
olfgang.Bangerth%40colostate.edu%7Cff03e4917646439d68e908d9f868a339%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637813950590384693%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=963v4J26aybDjICgrxJ6G%2B8jHiQwNH9TobTj5TIZfLI%3D&reserved=0>. -- --

Re: [deal.II] How to fix the error '/home/~/libdeal_II.g.so.9.3.2', thanks.

2022-02-25 Thread Wolfgang Bangerth
t location? Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dea

Re: [deal.II] Imposing homogeneous Dirichlet boundary conditions with apply_boundary_values

2022-02-25 Thread Wolfgang Bangerth
Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum

Re: [deal.II] Installation: Opencascade compilation error

2022-02-28 Thread Wolfgang Bangerth
.edu%7Cf37717b85622412fda8508d9f9ebcbc9%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637815615029095059%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=xajVnD2Z7EkLc%2Fr7r1yKqoB7nEMcX5Uy%2BpJGaq1Igx0%3D&reserved=0>. --

Re: [deal.II] SLEPcWrappers::SolverKrylovSchur Zero pivot problem

2022-02-28 Thread Wolfgang Bangerth
esn't, you know what modification was the problem. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- T

Re: [deal.II] Re: How to fix the CMake Error: The library at ~/dealii-9.3.2/build was not configured with DEAL_II_WITH_UMFPACK = ON, thanks.

2022-02-28 Thread Wolfgang Bangerth
. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see

Re: [deal.II] Installation: Opencascade compilation error

2022-02-28 Thread Wolfgang Bangerth
is, and specifically which include paths are set with -I? Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- Th

Re: [deal.II] Installation: Opencascade compilation error

2022-02-28 Thread Wolfgang Bangerth
p in the wrong directories. How did you install OpenCASCADE? Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal

Re: [deal.II] Installation : MPI + Windows10 + MSVC 2019 building error

2022-03-02 Thread Wolfgang Bangerth
t dim or const int dim ? In the end, it boils down to finding a syntax that MSVC accepts and to put a corresponding patch into the code base. Best W. -- ---- Wolfgang Bangerth email: ban

Re: [deal.II] Error while building deal..II 9.2.0 - regd.

2022-03-03 Thread Wolfgang Bangerth
libraries any more these days. Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at

Re: [deal.II] Error in Parallel version of Step-26

2022-03-04 Thread Wolfgang Bangerth
st W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- 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 ---

Re: [deal.II] step-35 in modified

2022-03-04 Thread Wolfgang Bangerth
II. I believe that you need to write this as std::get<0> (*SI)->get_dof_indices now. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.m

Re: [deal.II] Multigrid in 3D questions

2022-03-04 Thread Wolfgang Bangerth
LCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=xPHuLbXYG8SbVTOQJ0PLCz4JqiaFJC7y%2F3AmI5V9N34%3D&reserved=0>. -- Wolfgang Bangerth email: bange...@colostate.edu

Re: [deal.II] University cluster installation issue: compilers

2022-03-04 Thread Wolfgang Bangerth
script and before compiling p4est? Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is lo

Re: [deal.II] Trouble with vector valued matrix assembly optimizations

2022-03-04 Thread Wolfgang Bangerth
uently the whole term is always zero if i and j correspond to different vector components. So I think it is right that the block never produces output. Why do you think that it should? Best W. -- ---- Wolfgang Bangerth

Re: [deal.II] step-35 in modified

2022-03-04 Thread Wolfgang Bangerth
On 3/4/22 14:37, jack urombo wrote: ** Does this replace all the four instances of *std::get *or just the last two? All of the ones where you call std::get<...>(SI.iterators) Best W. -- ---- Wolfgang Ba

Re: [deal.II] University cluster installation issue: compilers

2022-03-07 Thread Wolfgang Bangerth
t should work if you added the #include directives mentioned in these issues to the two libsc files. This may or may not be enough to get things compiled... Best W. -- ---- Wolfgang Bangerth email:

Re: [deal.II] University cluster installation issue: compilers

2022-03-07 Thread Wolfgang Bangerth
first place where it is used) then. Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is

Re: [deal.II] University cluster installation issue: compilers

2022-03-09 Thread Wolfgang Bangerth
. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- 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

Re: [deal.II] Re: Assemble function, long time

2022-03-10 Thread Wolfgang Bangerth
n do about your case. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is locat

Re: [deal.II] Error when compiling a deal.II app using Trilinos on Apple M1

2022-03-15 Thread Wolfgang Bangerth
ng a newer version of Trilinos. Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ Fo

Re: [deal.II] Error when compiling a deal.II app using Trilinos on Apple M1

2022-03-15 Thread Wolfgang Bangerth
os/Trilinos/pull/9960 Best W. -- ---- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located at http://www.dealii.org/ For mailing

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

2022-03-17 Thread Wolfgang Bangerth
installation as you used for deal.II? Best W. -- Wolfgang Bangerth email: bange...@colostate.edu www: http://www.math.colostate.edu/~bangerth/ -- The deal.II project is located

Re: [deal.II] Error in step-51 when using 3-dim with adaptivity

2022-03-20 Thread Wolfgang Bangerth
3, I believe. But you can equivalently implement this line using for (unsigned int v=0; v::vertices_per_face; ++v) Best W. -- Wolfgang Bangerth email: bange...@colostate.edu

Re: [deal.II] Solving separate FEM problems on subdomains

2022-03-22 Thread Wolfgang Bangerth
n. You can then solve the resulting linear system. The mapping of DoF indices then also allows you to get back at what the global index of these DoFs was. Best W. -- ---- Wolfgang Bangerth email: bang

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