Comments (8)
Hi Michael,
You should be able to contribute now.
Best regards, Boyan
from mfem.
I have started implementing this as a "mfem::MixedDiffusionDiffusion" integrator.
Right now I encountered two things, where I would need help:
-) I have read the "CONTRIBUTING.md" file and proceeded as stated there. But I cannot push a development branch to the server, as I am only in the users group. What do I need to do to contribute?
-) I did not find much about IGA on the website. Is there a resource, to find out how the "mesh" input files are structured and how MFEM handles NURBS geometries and ansatz functions?
Thanks and greetings,
Michael
from mfem.
I opened a related issue #4238 related to the Laplace terms.
I have also started a NURBS section on the website, related to the NURBS H(div) and H(curl) PR.
I have implemented the terms as mention in the issue.
I called itLaplaceLaplaceIntegrator
and BiHarmIntegrator
as alias.
from mfem.
Regarding the mesh documentation I was doubting what to put on the website.
Cox de Boor algorithm and such is a lot of effort to put on the site but not useful.
I did not think about the mesh format... but that is an obvious one.
I will try to write something, perhaps you (@michi002) can help me by judging whether it is clear and useful.
from mfem.
I opened a related issue #4238 related to the Laplace terms. I have also started a NURBS section on the website, related to the NURBS H(div) and H(curl) PR.
I have implemented the terms as mention in the issue. I called it
LaplaceLaplaceIntegrator
andBiHarmIntegrator
as alias.
@IdoAkkerman
Perfect. I saw your post today, but was on the mobile, so you were first.
Did you already implement this bilinear forms? If yes on which branch?
I would happly help you in improving the documentation, as well as coding the bilinear forms, if it did not happen yet.
Some questions arised in your post:
Do you want to have this operators for H^2 conforming functions (that is what I need), implying that we need C^1 ansatz functions. Do you also want to consider instead of the laplacian operators of the form
wher
This would imply, that we somehow would have to deal with the chain rule for non-constant coefficients.
Greetings,
Michael
from mfem.
I have not commit yet. I can do that tomorrow after noon.
from mfem.
I have committed my stuff in the branch dev-stab-mini
.
The miniapps in miniapps/stabilized
are still very rough. But things seem to converge:
For instance:
./laplace -b -o 3
shows the convergence of the Galerkin form for the biharmonic problem. With essential BCs on the solution../ex_condif -s 1 -o 3
shows the convergence of the SUPS formulation for convection diffusion.
from mfem.
@IdoAkkerman did push it to the general mfem repository? I cannot find that branch (also not on the Website).
But maybe I am just to stupid.
And thank you for sharing :)
from mfem.
Related Issues (20)
- Linking against Spack MFEM package HOT 4
- 【Usage】 How to caculate the right hand side (q\nabla T, v) HOT 5
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- Matthek triangle method for fast optimization of edges in mechanics and fluid simulation
- How to extract solution at certain positions in mfem HOT 34
- Overlapping boundary attributes not inherited in submesh HOT 11
- Bug using mesh refinement and BC's HOT 5
- MFEM program crashes when solving linear static analysis problem when using AddBdrTriangle HOT 2
- Adding heat source to ex16 HOT 3
- Can MFEM handle multiple sources at the right hand side of equation HOT 3
- PrintVTK issues HOT 2
- Change some MFEM_ASSERT to MFEM_VERIFY, or report more info's to the users? HOT 2
- Face dofs for Periodic meshes HOT 7
- Inconsistency Between MFEM + ParaView for Symmetric Tensor Outputs HOT 1
- Request for an EasyBuild Configueation file HOT 3
- ND_R2D visualization with glvis fails HOT 3
- Bug: Poor performance for `HypreBoomerAMG` with `Ordering::byNODES` HOT 12
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- Why complex DOFs are split HOT 2
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