Question #688575 on Yade changed:
https://answers.launchpad.net/yade/+question/688575
Bruno Chareyre proposed the following answer:
There is no good reason for the collider to run so often (48793 / 71000), and
then you are waisting most of the cpu time therein.
I would guess the default
Question #688528 on Yade changed:
https://answers.launchpad.net/yade/+question/688528
Bruno Chareyre posted a new comment:
Thanks for answering your question. :)
Bruno
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Question #688508 on Yade changed:
https://answers.launchpad.net/yade/+question/688508
Bruno Chareyre posted a new comment:
> integrator.gravity = (0,0,+9.81)
Or, without label, O.engines[5].gravity=...
Bruno
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Literature will not help in any way I suppose, since the questions are ill
posed.
For the first question i would answer «Coulomb criterion» and that's it.
Associativity and flow rule are not iinvolved since they refer to continua.
Bruno
Le jeu. 6 févr. 2020 08:53, ehsan benabbas <
Question #685707 on Yade changed:
https://answers.launchpad.net/yade/+question/685707
Bruno Chareyre posted a new comment:
The problem is reported here: https://gitlab.com/yade-
dev/trunk/issues/141
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Question #688487 on Yade changed:
https://answers.launchpad.net/yade/+question/688487
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi, you might grab a 2010 version of the source code and try to compile it on
modern systems. You could then contact the first aut
Question #685707 on Yade changed:
https://answers.launchpad.net/yade/+question/685707
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
Your script reveals that writing "flow.updateTriangulation=True" repeatedly, at
each iteration, leads to problems
Question #688376 on Yade changed:
https://answers.launchpad.net/yade/+question/688376
Bruno Chareyre posted a new comment:
For the record: the random generator is using a boost filter and therefore
changing to a different distribution could be done simply by selecting another
filter here[1
Question #688333 on Yade changed:
https://answers.launchpad.net/yade/+question/688333
Bruno Chareyre proposed the following answer:
> Fixed once and forever?
Yes! Let computers be eternal and let them run only bug-free programs. I
wonder why we didn't realize before. :)
In addition to Rober
Question #686840 on Yade changed:
https://answers.launchpad.net/yade/+question/686840
Bruno Chareyre posted a new comment:
> an attractive interaction force between the two sintered particles
Exactly, and consequently it has nothing to do (almost) with the contact model.
You could k
Question #686840 on Yade changed:
https://answers.launchpad.net/yade/+question/686840
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
> a specific adhesion law adapted to sintering (viscous in my case).
There is a confusion between adhesion and traction
Question #236454 on Yade changed:
https://answers.launchpad.net/yade/+question/236454
Bruno Chareyre posted a new comment:
> that was not possible, with only one assignment
For future reference: it is possible with a single assignment.
B
p.s. came back here after reading #1 in
ht
Question #686704 on Yade changed:
https://answers.launchpad.net/yade/+question/686704
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
If I understand correctly you are linking one version of escript, then you load
another one at runtime. Not a good idea, st
Question #686704 on Yade changed:
https://answers.launchpad.net/yade/+question/686704
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
I'm afraid it is impossible to help in any way with such question.
> worked around many issues from this morning and it
Question #685676 on Yade changed:
https://answers.launchpad.net/yade/+question/685676
Bruno Chareyre posted a new comment:
Hi Antonio,
What's the meaning of "same problem"?
For the record, the answer was already contained in the original question
(which hasn't been mentioned yet
Question #686382 on Yade changed:
https://answers.launchpad.net/yade/+question/686382
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
Yes it is possible but maybe you'll have to implement most of it if you are
looking for a fully resolved solution.
I doubt y
Question #686278 on Yade changed:
https://answers.launchpad.net/yade/+question/686278
Bruno Chareyre proposed the following answer:
Hi,
> However, if we use this method, there will be a scale up from initial
(i.e. input) particle size distribution
Which should be perfectly fine if you
Question #685707 on Yade changed:
https://answers.launchpad.net/yade/+question/685707
Bruno Chareyre proposed the following answer:
Hi,
A periodic problem has no boundaries and therefore "flow.getBoundaryFlux(1)" is
meaningless (Body #1 is not a boundary anyway).
Wha
Question #685862 on Yade changed:
https://answers.launchpad.net/yade/+question/685862
Bruno Chareyre proposed the following answer:
An alternative approach, which may fit your needs or not, would be to use
TriaxialStressController by prescribing a very small confinement on the other
two
Question #685675 on Yade changed:
https://answers.launchpad.net/yade/+question/685675
Bruno Chareyre posted a new comment:
Hi,
Please note that example scripts should _never_ be taken directly from
gitlab.com unless you really know what you doing.
If you are using Yade ver. 2018.02b then you
Question #685596 on Yade changed:
https://answers.launchpad.net/yade/+question/685596
Bruno Chareyre posted a new comment:
Hi Justin,
You did not specify the yade version you are using.
Is it possible for you to compile with debug symbols? It would tell more on the
problem.
Regards
Bruno
Question #685323 on Yade changed:
https://answers.launchpad.net/yade/+question/685323
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hello Panos,
"the results do not differ" is a much too vague statement of the problem.
Did you inspect shear force
Question #685303 on Yade changed:
https://answers.launchpad.net/yade/+question/685303
Bruno Chareyre proposed the following answer:
Hi,
Rolling friction is listed just a couple lines below [3].
> I think the shear stiffness is calculated using Young's modulus,right?
Yes. Overall there is o
Question #685223 on Yade changed:
https://answers.launchpad.net/yade/+question/685223
Status: Open => Answered
Bruno Chareyre proposed the following answer:
> besides, I don't know why the list index is out of range.
Hi,
I have a small training to suggest, try to recognize this p
Question #685242 on Yade changed:
https://answers.launchpad.net/yade/+question/685242
Bruno Chareyre posted a new comment:
I confirm your self-answer. :)
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Question #685222 on Yade changed:
https://answers.launchpad.net/yade/+question/685222
Bruno Chareyre posted a new comment:
Hi,
My impression is that you are approaching the problem the wrong way. There is
actually nothing special in the situation you describe, w.r.t. what is already
implemented
Question #685082 on Yade changed:
https://answers.launchpad.net/yade/+question/685082
Bruno Chareyre posted a new comment:
> I don't know the direction of 1,2,3 axises. is it like 3 for vertical
axis, 2 for the horizontal axis and 1 for the third one?
For future reference: the vertical axis
Question #685203 on Yade changed:
https://answers.launchpad.net/yade/+question/685203
Bruno Chareyre posted a new comment:
> particles do not have force
That's because gravity is an acceleration, not a force... ;-)
Newtons law is really calculated like this in Newton: accel = gravity +
fo
Question #684881 on Yade changed:
https://answers.launchpad.net/yade/+question/684881
Bruno Chareyre posted a new comment:
>Where can I get all the theoretical details of
Law2_ScGeom_ImplicitLubricationPhys and references ??
There is paper in preparation, but overall lubrication is lubricat
Question #684881 on Yade changed:
https://answers.launchpad.net/yade/+question/684881
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
There is probably no need to get both capillary force and viscous force from a
single model.
The viscous (lubrication) for
Question #684078 on Yade changed:
https://answers.launchpad.net/yade/+question/684078
Bruno Chareyre posted a new comment:
Hello,
Since a script from the examples was reused, please indicate if/how it differs
from the original version.
Bruno
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Question #684676 on Yade changed:
https://answers.launchpad.net/yade/+question/684676
Status: Needs information => Answered
Bruno Chareyre proposed the following answer:
Hi,
Try something like this?
-DCMAKE_CXX_FLAGS=-I/packages/7x/cgal/4.13.1/include
Bruno
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Question #684253 on Yade changed:
https://answers.launchpad.net/yade/+question/684253
Bruno Chareyre posted a new comment:
Yet another option, the packaged version:
$ sudo apt-get install yadedaily-doc
$ firefox /usr/share/doc/yadedaily-doc/html/yade.wrapper.html
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Question #684213 on Yade changed:
https://answers.launchpad.net/yade/+question/684213
Bruno Chareyre proposed the following answer:
>what are the wrong average strain and true average strain printed out
Hi,
The true average strain is the proper volume average of local strain.
The wrong
Question #683427 on Yade changed:
https://answers.launchpad.net/yade/+question/683427
Status: Open => Answered
Bruno Chareyre proposed the following answer:
I would guess there is an increase in unbalanced forces when switching from
static to deforming regime, but I'm not sure what
Question #684062 on Yade changed:
https://answers.launchpad.net/yade/+question/684062
Status: Open => Answered
Bruno Chareyre proposed the following answer:
> NameError: name 'TesselationWrapper' is not defined
I would say yade was compiled without CGAL support.
B
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Question #684181 on Yade changed:
https://answers.launchpad.net/yade/+question/684181
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
I'm afraid nobody is going to download source files on dropbox.
1/ If you want to communicate source code I would suggest to cre
Question #684115 on Yade changed:
https://answers.launchpad.net/yade/+question/684115
Bruno Chareyre proposed the following answer:
> According to stack overflow, a const shared_ptr contactPhys
(sans &), would mean that contactPhysics is constant [1].
I don't think so. With 'const sha
Question #683967 on Yade changed:
https://answers.launchpad.net/yade/+question/683967
Bruno Chareyre posted a new comment:
In other words:
1/ rename the current kn, ks [force/volume] differently (automatic search
replace), say volKn and volKs
2/ introduce new attributes named kn, ks
Question #683687 on Yade changed:
https://answers.launchpad.net/yade/+question/683687
Bruno Chareyre posted a new comment:
For future reference: history-dependent problems (such as heat transfer) will
not play well with save/load since, indeed, field data written in the
triangulation
Question #683967 on Yade changed:
https://answers.launchpad.net/yade/+question/683967
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
We got a similar situation some time ago with Hertzian models. Their
tangent stiffness (kn=dfn/dun) depends on the normal fo
Question #683819 on Yade changed:
https://answers.launchpad.net/yade/+question/683819
Bruno Chareyre posted a new comment:
Hi, please try to build again in a new folder and show the output of cmake this
time.
Bruno
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Question #683775 on Yade changed:
https://answers.launchpad.net/yade/+question/683775
Bruno Chareyre proposed the following answer:
I appreciate you are looking for something like [1], already mentioned by
others.
Yes it can break [2], in principle, although it may not be a super-stable
feature
Question #682290 on Yade changed:
https://answers.launchpad.net/yade/+question/682290
Bruno Chareyre posted a new comment:
>so results only controled from bit in position 0 at right side
little endian vs. big endian?...
The most suprizing in all this is that Luc can reproduce the prob
Question #683405 on Yade changed:
https://answers.launchpad.net/yade/+question/683405
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Thanks for trying. Maybe there was indeed a typo in that specific commit and it
was fixed in another one. Unfortunately I don't th
Question #683405 on Yade changed:
https://answers.launchpad.net/yade/+question/683405
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi Bettina,
> Do you agree?
Yes!
Thanks for reporting.
I suspect a change done recently in order to make results *more reprod
Question #683427 on Yade changed:
https://answers.launchpad.net/yade/+question/683427
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi Rong,
PeriTriaxController prescribes the deformation of space in order to satisfy
user-defined targets in terms of stress or str
Question #682859 on Yade changed:
https://answers.launchpad.net/yade/+question/682859
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi, since you did not define "anisotropy of contact normal vector" accurately
it is impossible to answer.
Nevertheless, s
Question #682757 on Yade changed:
https://answers.launchpad.net/yade/+question/682757
Status: Open => Answered
Bruno Chareyre proposed the following answer:
The algorithm is simply based on:
position=random()
Then, if you find _exactly_ the same number in each half-domain you are
just lu
Question #682799 on Yade changed:
https://answers.launchpad.net/yade/+question/682799
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
Yes you can, for sure.
How difficult it will be, I don't know.
Bruno
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Question #682290 on Yade changed:
https://answers.launchpad.net/yade/+question/682290
Status: Open => Answered
Bruno Chareyre proposed the following answer:
This thread is definitely about Luc getting a completely different behaviour on
a particular OS.
And it suggests that bitw
Question #682757 on Yade changed:
https://answers.launchpad.net/yade/+question/682757
Bruno Chareyre posted a new comment:
Hi,
I suspect the question is for me since I wrote the generation algorithm, but I
don't understand the question at all.
Bruno
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Question #682290 on Yade changed:
https://answers.launchpad.net/yade/+question/682290
Bruno Chareyre proposed the following answer:
I tried again with yadedaily (2018.02b-290bf6a54e~xenial), the results
are correct again.
@Luc, can't you try on a different computer to be sure we are on the
same
Question #682290 on Yade changed:
https://answers.launchpad.net/yade/+question/682290
Status: Open => Answered
Bruno Chareyre proposed the following answer:
I meant to type collider.avoidSelfInteractionMask=X after reloading the scene,
not before.
But I guess that's what you do alre
Question #682290 on Yade changed:
https://answers.launchpad.net/yade/+question/682290
Bruno Chareyre posted a new comment:
I'm using Yade 2019-08-07.git-c9e148a here, but the "avoidSelfInteractionMask"
code did not change in the last years.
Not sure which is 1st and which is
Question #682290 on Yade changed:
https://answers.launchpad.net/yade/+question/682290
Status: Open => Answered
Bruno Chareyre proposed the following answer:
As far as I understand you have mask= 2, 1, and 3.
At this point the possible interactions are 1-1, 2-2, 3-1, 3-2, 3-3.
The impossi
Question #682290 on Yade changed:
https://answers.launchpad.net/yade/+question/682290
Bruno Chareyre proposed the following answer:
Well, questions on bitmasks happen indeed, questions on
avoidSelfInteractionMask are not really frequent AFAIK.
This is my suggestion (a shorter rephrasing
Question #682290 on Yade changed:
https://answers.launchpad.net/yade/+question/682290
Bruno Chareyre posted a new comment:
Also, for consistency, let's keep masks as integers in the doc.
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Question #682290 on Yade changed:
https://answers.launchpad.net/yade/+question/682290
Bruno Chareyre posted a new comment:
Is there really anything missing in the original doc?
I would actually remove the last words of it :
"This mask is used to avoid the interactions inside a group of part
Question #682496 on Yade changed:
https://answers.launchpad.net/yade/+question/682496
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi, you need to turn "O.dynDt=False" else the timestep is determined
automatically.
I will update the introducti
Question #682243 on Yade changed:
https://answers.launchpad.net/yade/+question/682243
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
> in packing stage damping is equal to 0.2
Yes, it is to accelerated the dynamic convergence to static equilibrium.
>
Question #682111 on Yade changed:
https://answers.launchpad.net/yade/+question/682111
Status: Open => Answered
Bruno Chareyre proposed the following answer:
"g" maybe?
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Question #682111 on Yade changed:
https://answers.launchpad.net/yade/+question/682111
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
Press "a" key when the 3D window is active.
Does it answer your question? Else please be more clear.
Bruno
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Question #682070 on Yade changed:
https://answers.launchpad.net/yade/+question/682070
Bruno Chareyre proposed the following answer:
> "GPU acceleration in Yade only work for "FlowEngine" and not other
commands [...] However, I would like to ask whether there is > any
Question #681486 on Yade changed:
https://answers.launchpad.net/yade/+question/681486
Bruno Chareyre posted a new comment:
In my opinion there is something moving in your problem - something you
perhaps do not suspect - and the pressure field responds to that. I
suggest to freeze all positions
Question #681799 on Yade changed:
https://answers.launchpad.net/yade/+question/681799
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
Yade is not using GPU (exception for a very specific flow solver not mentioned
in your question, so I guess it's out of sc
Question #681775 on Yade changed:
https://answers.launchpad.net/yade/+question/681775
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
What is [1] and does it work? If yes, why don't you reproduce it?
Note that space in filename '/tmp/vtkExporter Test
Question #681755 on Yade changed:
https://answers.launchpad.net/yade/+question/681755
Status: Open => Answered
Bruno Chareyre proposed the following answer:
>Is there anything like O.interaction[0].shearforce?
Hi,
Please refer to the IPhys you are using to find an answer:
https:
Question #681720 on Yade changed:
https://answers.launchpad.net/yade/+question/681720
Status: Open => Answered
Bruno Chareyre proposed the following answer:
> Error:(/home/.../oofemlib/domain.C:353)
That is an error in oofem while this is a yade forum.
Even if you may be lucky here
Question #681681 on Yade changed:
https://answers.launchpad.net/yade/+question/681681
Bruno Chareyre posted a new comment:
>it did not work well.
Please describe your problem.
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Question #681663 on Yade changed:
https://answers.launchpad.net/yade/+question/681663
Bruno Chareyre proposed the following answer:
Yade [2]: O.stop + TAB
O.stopAtIter O.stopAtTime
Maybe one of them will help? :)
Or, elaborating on Williams solution (but it needs a PyRunner):
if O.time >
Question #681486 on Yade changed:
https://answers.launchpad.net/yade/+question/681486
Bruno Chareyre posted a new comment:
With #2 in mind I still don't see the results as necessarily wrong.
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Question #681609 on Yade changed:
https://answers.launchpad.net/yade/+question/681609
Bruno Chareyre proposed the following answer:
If you have N physical cores and 2xN threads, then most likely the performance
will decrease or stagnate if you try to use yade with more than N threads. In
other
Question #681486 on Yade changed:
https://answers.launchpad.net/yade/+question/681486
Status: Open => Answered
Bruno Chareyre proposed the following answer:
> Does it mean that the FlowEngine works correctly?
Until now it's unclear to me why you think something is wrong. So I would
Question #681336 on Yade changed:
https://answers.launchpad.net/yade/+question/681336
Bruno Chareyre proposed the following answer:
If you can't point out precisely what makes the script fail by comparison with
a working script (as suggested by Robert in #3) it will be difficult to
understand
Question #681361 on Yade changed:
https://answers.launchpad.net/yade/+question/681361
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
goReverse() boils down to go() in that example, as the code suggests, and most
likely it's never called.
In other cases it is u
Question #681383 on Yade changed:
https://answers.launchpad.net/yade/+question/681383
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi, I'm not expert of Polyhedra code but it seems you are trying to question a
constitutive assumption mainly.
If someone ass
Question #681336 on Yade changed:
https://answers.launchpad.net/yade/+question/681336
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi Son,
I'm unsure what the triangulation will do with a hollow cylinder, but most
likely it's not doing anything good.
To go furt
Question #681232 on Yade changed:
https://answers.launchpad.net/yade/+question/681232
Bruno Chareyre proposed the following answer:
Hi
>the density is amplified by a factor of 1e9 to increase the calculation speed
It will not work. With such mass the particles will be nearly immobile on sh
Question #681280 on Yade changed:
https://answers.launchpad.net/yade/+question/681280
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
Rotational inertia is a tensor, we represent it by the eigen values.
https://en.wikipedia.org/wiki/Moment_of_inertia
Bruno
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Question #681194 on Yade changed:
https://answers.launchpad.net/yade/+question/681194
Status: Open => Answered
Bruno Chareyre proposed the following answer:
distributeMass=True would probably help
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Question #681105 on Yade changed:
https://answers.launchpad.net/yade/+question/681105
Bruno Chareyre posted a new comment:
You could record the 3D view at runtime using screen capture, then use some
image analysis tool for segmentation and reconstruction of the displacement
field. I know
Question #681043 on Yade changed:
https://answers.launchpad.net/yade/+question/681043
Status: Open => Answered
Bruno Chareyre proposed the following answer:
You need to find a convenient navigation tool.
If you have no experience in command line tools like vim I would suggest
kdeve
Question #681043 on Yade changed:
https://answers.launchpad.net/yade/+question/681043
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
It implements the class Scene.
Bruno
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Question #681032 on Yade changed:
https://answers.launchpad.net/yade/+question/681032
Status: Needs information => Answered
Bruno Chareyre proposed the following answer:
Hi,
No it does not unless different contact model makes the dynamics of the system
completely different (faster mot
Question #680895 on Yade changed:
https://answers.launchpad.net/yade/+question/680895
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
> no law defined in yade between ScGeom and polyhedraMat
It should be fine since polyhedraMat is a (inherits from) Fr
Question #680892 on Yade changed:
https://answers.launchpad.net/yade/+question/680892
Bruno Chareyre posted a new comment:
https://www.yade-dem.org/wiki/Howtoask
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Question #680868 on Yade changed:
https://answers.launchpad.net/yade/+question/680868
Bruno Chareyre proposed the following answer:
The question and answer #1 are misleading on some aspects in my opinion.
For the record:
> the direction is not sure[1]
The direction _is_ sure. Sim
Question #680746 on Yade changed:
https://answers.launchpad.net/yade/+question/680746
Bruno Chareyre proposed the following answer:
#2 is not a script.
Please check [1], specifically point 3.
https://www.yade-dem.org/wiki/Howtoask
Bruno
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ven in that case
(more about this and other things explained in [2]
<https://yade-dem.org/doc/tutorial-advanced.html?highlight=print#convert-python2-to3>
).
We hope the transition will be as smooth as possible for everyone.
Best regards
For the yade-dev group.
Bruno Chareyre
[1]
ht
Question #680636 on Yade changed:
https://answers.launchpad.net/yade/+question/680636
Bruno Chareyre proposed the following answer:
Inertial number is just like unbF, it's just an indication (except that Iv is
defined from input, unbF is defined from output and in that sense it's closer
to what
Question #680636 on Yade changed:
https://answers.launchpad.net/yade/+question/680636
Bruno Chareyre proposed the following answer:
Hi,
"unbF" is just an indication.
Everything is problem dependent, and the first questions are more "which value
are you interested in?" and &qu
Question #680609 on Yade changed:
https://answers.launchpad.net/yade/+question/680609
Bruno Chareyre proposed the following answer:
I confirm #2, and I can reproduce the error with normal yade.
Yade needs to be linked to openmpi at compile time, else this error.
With normal yade it should still
Give me your gitlab.com name. :)
Bruno
Le lun. 29 avr. 2019 16:08, Gael Lorieul a
écrit :
> Hi Bruno (and the team),
>
> El 26-04-19 a las 10:03, Bruno Chareyre escribió:
> > Yes you can write emails to yade-dev.
>
> Ok, I'll do that next time ;)
> But I'll finish
Question #679544 on Yade changed:
https://answers.launchpad.net/yade/+question/679544
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi Gaël,
Thanks vey much for contributing.
Yes you can write emails to yade-dev.
It would be very helpful if you could try method
Question #679411 on Yade changed:
https://answers.launchpad.net/yade/+question/679411
Status: Open => Answered
Bruno Chareyre proposed the following answer:
That's actually a straighforward case since it's irrotational.
In you example with trsf[2,2]=0.9998 the true target str
Question #679411 on Yade changed:
https://answers.launchpad.net/yade/+question/679411
Status: Open => Answered
Bruno Chareyre proposed the following answer:
> What if [...] trsfNew = trsfOld+dt*velGrad
It would introduce severe inconsistency for large deformations.
Just like using the
Question #679638 on Yade changed:
https://answers.launchpad.net/yade/+question/679638
Bruno Chareyre posted a new comment:
> for a fixed kn, the sphere with a smaller radius will have a larger
young, which results in a small critical time step.
Absolutely.
And that's exactly what happens in
Question #680164 on Yade changed:
https://answers.launchpad.net/yade/+question/680164
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi, the air pressure is uniformly equal to the boundary NW-pressure.
Bruno
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Question #679638 on Yade changed:
https://answers.launchpad.net/yade/+question/679638
Bruno Chareyre posted a new comment:
Hi,
> after some minor improvements
Should read "after some minor regressions" IMO. :)
I think c) was a smart answer and I'm also wondering why it didn'
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