This would be a particularly useful example for testing the PETSc library,
as most applications are set on manifolds. There’s a recently-reformatted
chapter in the developers docs on how the testing works - this explains the
/* TEST */ blocks you see. If parts of these docs are confusing, that’s
ve
On Sun, Dec 12, 2021 at 7:47 PM celestechev...@gmail.com <
celestechev...@gmail.com> wrote:
> Thank you so much for your reply !
>
> In fact I didn't know how to set tolerances, so I proceeded without
> specifying the tolerances, hoping that this could lead to the
> implementation of default value
On Sun, Dec 12, 2021 at 7:48 PM celestechev...@gmail.com <
celestechev...@gmail.com> wrote:
> Thank you so much for your reply !
>
> In fact I didn't know how to set tolerances, so I proceeded without
> specifying the tolerances, hoping that this could lead to the
> implementation of default value
On Sun, Dec 12, 2021 at 4:36 PM TARDIEU Nicolas
wrote:
> Dear Patrick and Matthew,
>
> Thank you very much for your answers. I am gonna try to set up such a test
> by assigning cell types.
> Shall I open a MR in order to contribute this example ?
>
Yes, that would be great.
Thanks,
Matt
Thank you so much for your reply !
In fact I didn't know how to set tolerances, so I proceeded without
specifying the tolerances, hoping that this could lead to the
implementation of default values...
I just added *SNESSetFromOptions(snes); *However, it doesn't make any
difference... But it's tru
The three "tol" values should be finite. It sounds like you set them to 0.
Don't do that and use the defaults to start.
The behavior with zero tolerances is not defined.
You can use -snes_monitor to print out the iterations.
On Sun, Dec 12, 2021 at 6:22 PM celestechev...@gmail.com <
celestechev...
Hello,
I encountered a strange problem concerning the convergence of SNES.
In my recent test runs I found that SNES always stops at iteration 0...
At first I thought there may be an error with the tolerance setting, so I
output the tolerances :
*atol = 0.00, rtol = 0.00, stol = 0.
On Sun, Dec 12, 2021 at 3:19 PM Karthikeyan Chockalingam - STFC UKRI <
karthikeyan.chockalin...@stfc.ac.uk> wrote:
> Thank for your response that was helpful. I have a couple of questions:
>
>
>
> (i) How can I control the level of refinement? I tried
> to pass the flag “-ex56_dm_
Dear Patrick and Matthew,
Thank you very much for your answers. I am gonna try to set up such a test by
assigning cell types.
Shall I open a MR in order to contribute this example ?
Regards,
Nicolas
De : knep...@gmail.com
Envoyé : dimanche 12 décembre 2021 12:1
Thank for your response that was helpful. I have a couple of questions:
(i) How can I control the level of refinement? I tried to pass
the flag “-ex56_dm_refine 0” but that didn’t stop the refinement from 8 giving
32 cubes.
(ii)What does -cell 2,2,1 correspond
On Sun, Dec 12, 2021 at 6:11 AM Patrick Sanan
wrote:
> Here you have the following "points":
>
> - 1 3-cell (the cube volume)
> - 7 2-cells (the 6 faces of the cube plus the extra one)
> - 16 1-cells (the 12 edges of the cube, plus 3 extra ones from the extra
> face, plus the extra edge)
> - 11
Here you have the following "points":
- 1 3-cell (the cube volume)
- 7 2-cells (the 6 faces of the cube plus the extra one)
- 16 1-cells (the 12 edges of the cube, plus 3 extra ones from the extra
face, plus the extra edge)
- 11 0-cells (the 8 vertices of the cube, pus 2 extra ones from the extra
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