在 2018年3月29日星期四 UTC-7下午7:56:10，Wolfgang Bangerth写道：
>
> On 03/29/2018 07:23 PM, Weixiong Zheng wrote:
> >
> > Just a quick question: are there functions to measure mesh quality?
> >
> > I didn't see anything in FAQ and only saw one old post without an
> answer.
>
> I was thinking of this as
Hello all,
We usually interpolate boundary values from an explicitly defined function.
I have a good understanding of how to deal with this kind of cases with a
constrain matrix. However, in my current project I need to interpolate
boundary values from a previously found FE solution. In other word
On 03/29/2018 07:23 PM, Weixiong Zheng wrote:
Just a quick question: are there functions to measure mesh quality?
I didn't see anything in FAQ and only saw one old post without an answer.
There isn't anything immediately that produces mesh quality measures, but all
of the pieces are there. S
Hi
Just a quick question: are there functions to measure mesh quality?
I didn't see anything in FAQ and only saw one old post without an answer.
Thanks in advance!
Weixiong
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Both idea work fine now. Thank you so much!
在 2018年3月29日星期四 UTC-7上午11:31:23，Jean-Paul Pelteret写道：
>
> Hi Weixiong,
>
> So, have you looked at the FAQ as the error message suggests? There’s also
> actually a discussion on this point in the very first tutorial. Here’s the
> relevant snippet for yo
Thanks, the former doesn't work but the latter way works fine.
在 2018年3月29日星期四 UTC-7上午11:31:23，Jean-Paul Pelteret写道：
>
> Hi Weixiong,
>
> So, have you looked at the FAQ as the error message suggests? There’s also
> actually a discussion on this point in the very first tutorial. Here’s the
> rele
On 03/28/2018 03:48 PM, Qing Yin wrote:
I would like to post that snippet of code. To be honest, I verified the
solution in a naive way, that is, I compare the two different number of
processes solutions in paraview. The comparison(including data range,
plot curve over time at a point) shows
Hi Weixiong,
So, have you looked at the FAQ as the error message suggests? There’s also
actually a discussion on this point in the very first tutorial. Here’s the
relevant snippet for you:
> At this point, all objects created in this function will be destroyed in
> reverse order. Unfortunately,
Thanks, this looks much prettier!
在 2018年3月27日星期二 UTC-7下午5:04:18，Jean-Paul Pelteret写道：
>
> Dear Weixiong,
>
> There’s an interpolation function that should do this for you:
>
> https://dealii.org/8.5.1/doxygen/deal.II/namespaceVectorTools.html#a5e3af70a47cedfaf361cf5c621e94e3d
> The associated int
Thanks,
I changed the number to 2 and straight boundary comes out. But I got errors
that I could not understand saying
An error occurred in line <128> of file
in function
void dealii::Subscriptor::check_no_subscribers() const
The violated condition was:
counter == 0
Additional
Hi
Thanks so much for the fast reply.
I actually tried changing to:
const Point<2> center (0,0);
const SphericalManifold<2> boundary_description(center);
//const StraightBoundary<2> boundary_description;
//tria.set_all_manifold_ids_on_boundary(0);
tria.set_manifold (2, boundary_descript
Hi
It does give me straight boundary after changing to:
const Point<2> center (0,0);
const SphericalManifold<2> boundary_description(center);
//const StraightBoundary<2> boundary_description;
//tria.set_all_manifold_ids_on_boundary(0);
tria.set_manifold (2, boundary_description);
f
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