Thank you Wolfgang, this does look relevant! /Anton
On Sat, Aug 5, 2023 at 12:37 PM Wolfgang Bangerth
wrote:
>
> On 8/5/23 04:30, Anton Evgrafov wrote:
> > I have a problem involving a
> > field living in R^{dim^2} and a field in R^{dim}.
>
> This may or may not be relev
lized for dimensions 1..3.
Right now I am doing a "quick and dirty" test implementation, where I
am basically manually working on a tensor product mesh with tensor
product FEM etc, which is highly inelegant. If you are
doing/interested in research, I would be happy to discuss the prob
I was contemplating is to apply the
NonMatching::DiscreteQuadratureGenerator on a fake triangulation
with just one element. Then I simply would need to interpolate
(evaluate) my real-space function at this one element and let the
class' implementation do the magic for me. This is probably cheaper
and
Hello,
I would like to use the NonMatching::QuadratureGenerator class
directly, as I need to generate multiple (as in many!, unfortunately)
nonmatching quadratures for the same cell. Therefore I would like to avoid
the route of interpolating the level set function onto the whole mesh etc,
as
Dear Daniel,
I am working on a similar problem (planetary acoustic oscillations). I am
interested in looking at your tutorial for an electromagnetic cavity, but
it seems that the pull request was deleted. I wonder if it can be revived.
Thank you,
Anton.
On Monday, July 8, 2019 at 3:51:08 AM
state*
*[0]PETSC ERROR: Matrix is missing diagonal entry 3*
I presume this happens due to a zero block in one (or both) of the original
matrices. Hmmm, should I then just explicitly see all zero diagonal values
to 0.0.
Anton.
On Wednesday, August 25, 2021 at 12:20:38 PM UTC-6 Wolfgang Bangerth
nomial filtering transformation.
Thanks a lot,
Anton.
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Ok, I see - it is that EPS_TARGET_MAGNITUDE flag that was missing. It works
now! Thanks a lot, Simon.
Anton.
On Tuesday, August 24, 2021 at 12:14:20 AM UTC-6 simon...@gmail.com wrote:
> Hi,
>
> I think you need to set both which eigen pair and the target value. For
> example,
]PETSC ERROR: Shift-and-invert requires a target 'which' (see
EPSSetWhichEigenpairs), for instance -st_type sinvert -eps_target 0
-eps_target_magnitude
Any help to resolve this error is greatly appreciated. I also attached the
full code of modified step-36.
Thank you,
Anton.
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Yes, that part now works. Thank you, Wolfgang.
Anton.
On Wednesday, March 17, 2021 at 3:13:17 PM UTC-7 Wolfgang Bangerth wrote:
> On 3/17/21 10:41 PM, Anton Ermakov wrote:
> > Thanks for the reply. I think I got it. Basically, I had to manually
> place the
> > local matric
ndices,
mass_matrix);*
Anton.
On Tuesday, March 16, 2021 at 3:22:54 AM UTC-7 Wolfgang Bangerth wrote:
> On 3/16/21 6:12 AM, Anton Ermakov wrote:
> >
> > I attach the minimally changed Step-26 code to illustrate the problem.
> It is
> > different from the original step
Wolfgang,
Thank you for the help. I think I have it working in the non-distributed
case, but project_boundary_values segfaults on me without any explanations
(compiled in debug mode) when run with a distributed triangulation. Is
this "normal"?
/Anton
On Monday, April 8, 2019 a
row number in the ConstraintMatrix - I cannot
immediately figure this out from DoFHandler interface?
/Anton
On Saturday, April 6, 2019 at 5:11:09 PM UTC+2, Wolfgang Bangerth wrote:
>
> On 4/5/19 11:25 AM, Anton wrote:
> > I need to apply a boundary condition (discontinuous function) to
s because the interpolation point falls
exactly between the elements. Is there a way of applying
project_boundary_values instead to fix this issue? Basically I cannot seem
to find support for component selection in connection with
project_boundary_values.
Sincerely,
/Anton
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one
have to combine the two vectors into one by creating an FESystem with an
associated DoFHandler first?
Sincerely,
/Anton
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