Hi All,
I have just returned from Eurock 2016, and there is good response on
the code.
Thinking back, is it because of the need for an external library CLP
that makes sharing it on YADE difficult?
Please let me know how I can make the sharing of the code easier.
Boon
------------------------------------------------------------------------
*From:* Chia Weng Boon on behalf of Chia Weng Boon
<chiaweng.boon@xxxxxxxxxxxxxxxx>
*Sent:* Sunday, September 4, 2016 11:15:17 PM
*To:* Jan Stránský; Bruno Chareyre; stefano utili; Yade developers
*Subject:* Re: [Yade-dev] Block Generation, Contact Detection, Rock
Bolt and Rock Lining
Hi All,
I have just returned from Eurock 2016, and there is good response on
the code.
Thinking back, is it because of the need for an external library CLP
that makes sharing it on YADE difficult?
Please let me know how I can make the sharing of the code easier.
Boon
------------------------------------------------------------------------
*From:* Chia Weng Boon <chiaweng@xxxxxxxxx>
*Sent:* Sunday, August 14, 2016 8:09 PM
*To:* Jan Stránský; Bruno Chareyre; stefano utili;
chiaweng.boon@xxxxxxxxxxxxxxxx
*Subject:* Re: [Yade-dev] Block Generation, Contact Detection, Rock
Bolt and Rock Lining
Dear Jan,
I realised that there is going to be a new version of Ubuntu ver 16.
I would recommend implementing the shared code onto the current YADE
first, before YADE gets updated again.
Now what I have shared should compile OK (it was running fine during
March 2016). I am just afraid that the code will be incompatible with
YADE after it gets updated with a newer version of Ubuntu.
Yours,
Boon
On Sun, Aug 7, 2016 at 11:27 PM, Chia Weng Boon <chiaweng@xxxxxxxxx
<mailto:chiaweng@xxxxxxxxx>> wrote:
Dear Jan,
Thanks. I have not been in touch with YADE. When I shared the
code, it is already compatible with YADE version in March 2016.
If you have any questions please write to
chiaweng.boon@xxxxxxxxxxxxxxxx <mailto:chiaweng.boon@xxxxxxxxxxxxxxxx>
Everything should compile fine.
Let me know if you have any queries. Or is it available in trunk
already? I can probably assist with the manual?
Yours,
Boon
On Thu, Mar 31, 2016 at 12:02 AM, Jan Stránský
<honzik.stransky@xxxxxxxxx <mailto:honzik.stransky@xxxxxxxxx>> wrote:
Hi Boon,
thanks for the effort also from me and sorry for late answer.
What is the situation now? I can help to merge the files not
to conflict with current branch, but probably not before May..
Regards
Jan
2016-03-17 17:11 GMT+01:00 Chia Weng Boon <chiaweng@xxxxxxxxx
<mailto:chiaweng@xxxxxxxxx>>:
Bruno,
You are absolutely right in all those cases. ScGeom can
make use of a boolean for the twist. Yes, Cundall's paper
is almost 30 years old. He may have changed his mind
too. I remember the code crashed when I was using the new
updateProperties. I am not a good debugger. And the
Clump::del should work.
In fact, there had been some changes in YADE's main
program that I had to modify my old code, to make it
work. I mentioned those few regressions, so that active
developers are able to identify them and fix it. I
decided that if I were to keep the code and try to update
it nicely before sharing it out, YADE may get updated
again, before I can catch up. I better share it when it
is working. This is my advice for other researchers.
Don't keep your code, because you will likely have to keep
up with the developments in YADE. And you won't have time
to play/maintain with your own code anyway when you move
on with life. Now that I am in construction and not in a
university, it is very difficult to have the luxury of
finding time for this hobby.
Yours,
Boon
On Thu, Mar 17, 2016 at 11:01 PM, Bruno Chareyre
<bruno.chareyre@xxxxxxxxxxxxxxx
<mailto:bruno.chareyre@xxxxxxxxxxxxxxx>> wrote:
Hi Boon,
Thank you for progress report!
On 16/03/16 16:37, Chia Weng Boon wrote:
> I have also changed some of the existing files to
make it compatible with
> my old files. Please update and modify it
accordingly if you think there
> is a better way to do it.
> ScGeom: I took away the twist update because for
polygons this is not used
> in Cundall's paper. Please modify accordingly if
there is some theoretical
> discovery.
Does it mean that the twist will be also disabled if
someone has, let's
say, a sphere-sphere contact?
And did you find a reason why the twist should be
defined differently
(or even undefined) in the case of polygons?
In general Yade is not meant to reproduce Cundall's
equations on every
aspect.
> Clump: The Update Properties looked different from
the old one, and I had
> problems with clumps earlier on when updating the
code. Not sure if this
> is the problem, but i used the old one anyway.
We must make sure that adding some code does not imply
regressions as
side effects.
Do you have any clue why the polyhedra code needs an
older version of
updateProperties? What sort of problem do you find?
Rolling back such a function is most likely breaking,
or at least
changing the behavior, of other parts of the code.
> YadeWrapper: Added deleteClumpMembers function,
since it was in my old
> version.
Is Clump::del not doing the same thing? Do you need
such a function?
As far as I understand, you are half-way to a
compatible code overall.
It will be really compatible when no changes will be
required in other
files.
If somene else will do the remaining work, it would be
helpful to him to
have more detailed explanations of why you had to roll
back some changes
(which really means something to fix in your code, not
something to roll
back in trunk).
Cheers
Bruno
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