Question #657232 on Yade changed:
https://answers.launchpad.net/yade/+question/657232
Status: Open => Answered
Christian Jakob proposed the following answer:
Hi,
I would definitely prefer more single CPU power and less number of CPUs
because DEM is bad to parallelize (in general, not j
Question #644873 on Yade changed:
https://answers.launchpad.net/yade/+question/644873
Christian Jakob posted a new comment:
Hi,
I developed the code for getRoundness function. It should work for any
mixed clump-sphere-packing. You can have a look at the source code [1].
I dont know why
Question #599179 on Yade changed:
https://answers.launchpad.net/yade/+question/599179
Christian Jakob posted a new comment:
Hi,
I think the best way to understand capillary effect on particle forces
is a force-distance-plot. Fortunately I have one in my PhD. You can have
a look at page 35 (pic
Question #536811 on Yade changed:
https://answers.launchpad.net/yade/+question/536811
Status: Open => Answered
Christian Jakob proposed the following answer:
hi,
using O.bodies.replaceByClumps() within a loop is not a good idea.
to solve your problem i see two ways:
1.) you gener
Question #428045 on Yade changed:
https://answers.launchpad.net/yade/+question/428045
Status: Open => Answered
Christian Jakob proposed the following answer:
Hi
You just have to type "yade tutorial" into google...
Regards,
Christian
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Question #402952 on Yade changed:
https://answers.launchpad.net/yade/+question/402952
Christian Jakob proposed the following answer:
I am not familiar with polyhedrons, but examples can be found here:
https://github.com/yade/trunk/tree/master/examples/polyhedra
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Question #402952 on Yade changed:
https://answers.launchpad.net/yade/+question/402952
Status: Open => Needs information
Christian Jakob requested more information:
Hi,
Do you speak about clumps (rigid/non-deformable bodies consisting of
several spherical particles) or about clust
Question #394789 on Yade changed:
https://answers.launchpad.net/yade/+question/394789
Status: Open => Answered
Christian Jakob proposed the following answer:
Hi,
Please have a look at the triax-tutorial. The TriaxialStressController
provides the option "internalCompaction",
Question #384899 on Yade changed:
https://answers.launchpad.net/yade/+question/384899
Status: Open => Answered
Christian Jakob proposed the following answer:
I investigated your script a little bit and tried to use another range
in voxelPorosity() function:
VP=utils.voxelPorosity(200,(-g
Question #384899 on Yade changed:
https://answers.launchpad.net/yade/+question/384899
Status: Open => Answered
Christian Jakob proposed the following answer:
Hi,
For voxelPorosity you need to specify a start point/vector and an end
point/vector, not a volume.
It will divide the cub
Question #371126 on Yade changed:
https://answers.launchpad.net/yade/+question/371126
Status: Open => Answered
Christian Jakob proposed the following answer:
I am not familiar with randomDensePack, but as the name indicates it
will generate a dense packing. So maybe particles are overlapp
Question #371126 on Yade changed:
https://answers.launchpad.net/yade/+question/371126
Status: Open => Answered
Christian Jakob proposed the following answer:
Hi,
Did you try to use a lower time step?
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Question #204526 on Yade changed:
https://answers.launchpad.net/yade/+question/204526
Christian Jakob posted a new comment:
O.bodies.erase(id) is working fine in this case.
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Question #295676 on Yade changed:
https://answers.launchpad.net/yade/+question/295676
Status: Open => Answered
Christian Jakob proposed the following answer:
Hi,
You can try replaceByClumps() method (see example in clumps folder). The
procedure is to create spheres first and replace t
Question #294232 on Yade changed:
https://answers.launchpad.net/yade/+question/294232
Status: Open => Answered
Christian Jakob proposed the following answer:
I think you do not need i.phys.isBroken at all. What you need is at
least 1 step between parameter change and measurement.
Good l
Question #294232 on Yade changed:
https://answers.launchpad.net/yade/+question/294232
Status: Open => Answered
Christian Jakob proposed the following answer:
Hi,
O.engines =
O.engines[:3]+[Law2_ScGeom_CapillaryPhys_Capillarity(capillaryPressure=cur_capillary,label='capillary')]+O.engine
Question #294215 on Yade changed:
https://answers.launchpad.net/yade/+question/294215
Status: Open => Answered
Christian Jakob proposed the following answer:
Please have a look to the installation instructions:
https://yade-dem.org/doc/installation.html#prerequisities
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Question #291202 on Yade changed:
https://answers.launchpad.net/yade/+question/291202
Status: Open => Answered
Christian Jakob proposed the following answer:
Hi,
I did not investigate your script very deeply, but I guess the explosion
arises from replaceByClumps() function.
A workaro
Question #292663 on Yade changed:
https://answers.launchpad.net/yade/+question/292663
Status: Open => Answered
Christian Jakob proposed the following answer:
Hi,
I get the same message, when there is a contact between particles with
radius quotient R1/R2 > 10. The solution for this co
Question #279359 on Yade changed:
https://answers.launchpad.net/yade/+question/279359
Status: Open => Answered
Christian Jakob proposed the following answer:
Hi,
makeCloud() is used for particle generation and has no influence on DEM
calculation cycle.
It is not parallelized atm
Question #279270 on Yade changed:
https://answers.launchpad.net/yade/+question/279270
Status: Open => Needs information
Christian Jakob requested more information:
Hi,
Does the generation of clumps takes longer in the 1.20 version, or does the
calculation takes longer?
Can you please ch
Question #275973 on Yade changed:
https://answers.launchpad.net/yade/+question/275973
Christian Jakob proposed the following answer:
If you really need to modify your clumps, I think
O.bodies.releaseFromClump(0,3)
O.bodies.addToClump([0],3)
is the only way I know.
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Question #275973 on Yade changed:
https://answers.launchpad.net/yade/+question/275973
Christian Jakob posted a new comment:
Hi,
I do not understand the reason this:
> ## here is the example:
> a = utils.sphere([0,0,0],1)
> b = utils.sphere([0,0,1],1)
> c = utils.sphe
Question #270627 on Yade changed:
https://answers.launchpad.net/yade/+question/270627
Christian Jakob posted a new comment:
Hi,
We (Yade community) really try to help people with answers on questions or
solutions for problems. Unfortunately sometimes the questions can not be
answered
Question #270747 on Yade changed:
https://answers.launchpad.net/yade/+question/270747
Status: Open = Answered
Christian Jakob proposed the following answer:
Hi,
I do not fully understand your question, but I guess you want to avoid
the explosion of your model after the replacement step
Question #270488 on Yade changed:
https://answers.launchpad.net/yade/+question/270488
Status: Open = Answered
Christian Jakob proposed the following answer:
Hi,
Just a short answer regarding 1- and 2-:
1- Please have a look at [1]. There is also an example, see [2].
2- I did not test your
Question #269942 on Yade changed:
https://answers.launchpad.net/yade/+question/269942
Status: Open = Answered
Christian Jakob proposed the following answer:
I think you need to click on the mouse wheel ... (as mentioned in the
script)
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Question #269942 on Yade changed:
https://answers.launchpad.net/yade/+question/269942
Status: Open = Answered
Christian Jakob proposed the following answer:
Hi,
I had the same problem some years ago. I used pythons scatter function for this
purpose.
You need to give some input data
Question #269912 on Yade changed:
https://answers.launchpad.net/yade/+question/269912
Status: Open = Answered
Christian Jakob proposed the following answer:
Hi,
Did you had a look at the example [1] after line 83?
HIH,
Christian
[1] https://github.com/yade/trunk/blob/master/examples
Bug #1362090 status changed in Yade:
Confirmed = Fix Released
https://bugs.launchpad.net/yade/+bug/1362090
boundary thickness is 0.001 by default in FlowEngine
This bug is linked to #253562.
PFV compressibility in undrained triaxial test
https://answers.launchpad.net/yade/+question/253562
Question #261529 on Yade changed:
https://answers.launchpad.net/yade/+question/261529
Christian Jakob posted a new comment:
Hi,
updateProperties function assumes, that clump members are spheres. it
will not work for facets atm ...
regards,
christian
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Question #258987 on Yade changed:
https://answers.launchpad.net/yade/+question/258987
Christian Jakob proposed the following answer:
Hi,
There is already a calm function in yade, that you can use:
https://yade-dem.org/doc/yade.utils.html?highlight=calm#yade._utils.calm
Regards,
Christian
Question #258859 on Yade changed:
https://answers.launchpad.net/yade/+question/258859
Christian Jakob proposed the following answer:
Hi,
Thank you for your feedback on yade's clump logic. Your results look
good even for a low discretization (in your case 6) ...
updateClumpProperties() can
Question #258859 on Yade changed:
https://answers.launchpad.net/yade/+question/258859
Status: Open = Answered
Christian Jakob proposed the following answer:
Hi,
For inertia/mass/volume calculation, use
O.bodies.replaceByClumps(templates,[1.0], discretization=5)
where discretization
Question #257388 on Yade changed:
https://answers.launchpad.net/yade/+question/257388
Christian Jakob posted a new comment:
Hi,
You can use clumps instead of spheres to increase number of contacts.
But the packing will not be denser by doing so...
Christian
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Question #257388 on Yade changed:
https://answers.launchpad.net/yade/+question/257388
Christian Jakob posted a new comment:
Of course compacting spheres before clumping leads to arbitrary large Nc
depending on the number of spheres per clump, but I'm not really sure that
clumps will give Nc5
Question #255486 on Yade changed:
https://answers.launchpad.net/yade/+question/255486
Status: Open = Answered
Christian Jakob proposed the following answer:
Hi Robert,
In 'Creating simulation', why does the example include an error message?
I don't know. The command is working at my
Question #255199 on Yade changed:
https://answers.launchpad.net/yade/+question/255199
Christian Jakob posted a new comment:
hi,
afaik you have set both factors to 1.2 (aabbEnlargeFactor and
interactionDetectionFactor) for correct implementation.
christian
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Question #253562 on Yade changed:
https://answers.launchpad.net/yade/+question/253562
Linked to bug: #1362090
https://bugs.launchpad.net/bugs/1362090
problem with pressure calculation in PFV cells
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New question #253562 on Yade:
https://answers.launchpad.net/yade/+question/253562
Hi,
I want to get the pore pressure of a saturated soil sample in an undrained
triaxial test when the sample volume is decreasing.
...
Question #252374 on Yade changed:
https://answers.launchpad.net/yade/+question/252374
Status: Open = Answered
Christian Jakob proposed the following answer:
Hi,
If you use makeCloud() it is recommended to call
O.bodies.updateClumpProperties()
It will correct volume/masses/inertia
Question #252063 on Yade changed:
https://answers.launchpad.net/yade/+question/252063
Status: Answered = Solved
Christian Jakob confirmed that the question is solved:
Thanks Bruno Chareyre, that solved my question.
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Question #252053 on Yade changed:
https://answers.launchpad.net/yade/+question/252053
Christian Jakob posted a new comment:
Hi Carl,
Nice to hear that you get yade running on your cluster. We are using
yade on HPC in Freiberg too.
It is hard to say what the problem is. Your pbs script looks
New question #252063 on Yade:
https://answers.launchpad.net/yade/+question/252063
Hi,
I am thinking about a simulation with clumps and PFV method. I know clumps are
not compatible with PFV, yet.
I simulate a sand at microscale and want to have a more realistic grain shape
using clumps (maybe
Question #250157 on Yade changed:
https://answers.launchpad.net/yade/+question/250157
Christian Jakob proposed the following answer:
Hi Anna,
With my experience I can say, that for DEM calculations following
specifications are important:
- high CPU frequency
- disable multithreading (just use
New question #250196 on Yade:
https://answers.launchpad.net/yade/+question/250196
Hi,
For my simulations it is no problem to do a drained triax test with this PFV
options:
flow.bndCondIsPressure=[0,0,1,0,0,0]
flow.bndCondValue=[0,0,0,0,0,0]
I also want to do an undrained test, like this:
Question #250196 on Yade changed:
https://answers.launchpad.net/yade/+question/250196
Christian Jakob posted a new comment:
Hi Jerome,
Ok, I see the problem is that FlowEngine supports just incompressible flow.
Hm, then the question is how to make FlowEngine compressible?
Christian
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Question #249457 on Yade changed:
https://answers.launchpad.net/yade/+question/249457
Status: Open = Answered
Christian Jakob proposed the following answer:
Hi Diego,
For storing values, you can create a txt file and write data as ascii in
it:
f = open('myFile.txt','w') #'w' = write
Question #247705 on Yade changed:
https://answers.launchpad.net/yade/+question/247705
Christian Jakob posted a new comment:
hi,
just a short answer to question (2):
stressMask is not good explained in documentation, have a look at
examples/triax-tutorial for a better documentation
https
Question #247158 on Yade changed:
https://answers.launchpad.net/yade/+question/247158
Status: Open = Answered
Christian Jakob proposed the following answer:
Hi rookie ;)
Assuming you use facets, FrictMat and ScGeom:
It seems you forgot to add Ig2_Facet_SphereScGeom() to InteractionLoop
Question #245755 on Yade changed:
https://answers.launchpad.net/yade/+question/245755
Christian Jakob posted a new comment:
Hi Pascal,
I can not really answer your question, but here some notes:
- If you use complex clump geometries it is recommended to use the
actual Yade version since
Question #245755 on Yade changed:
https://answers.launchpad.net/yade/+question/245755
Christian Jakob posted a new comment:
Do you use actual for current also in german? ;)
right, I am speeking germish, not english ^^
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Question #245072 on Yade changed:
https://answers.launchpad.net/yade/+question/245072
Christian Jakob posted a new comment:
Hi,
I am not sure, but I think you forgot to set the materials to your bodies
(spheres and facets).
Changing these line may solve it (not tested):
Mat
Question #245072 on Yade changed:
https://answers.launchpad.net/yade/+question/245072
Christian Jakob posted a new comment:
sorry, wrong code. it has to be like...
Mat = FrictMat(...)
O.materials.append(Mat)
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Question #244312 on Yade changed:
https://answers.launchpad.net/yade/+question/244312
Christian Jakob posted a new comment:
What does it do the new feature?
Well for your script replacing 50 spheres by clumps I got a generation
time about 35 seconds. The new feature allows you to run it at all
Question #244312 on Yade changed:
https://answers.launchpad.net/yade/+question/244312
Christian Jakob posted a new comment:
Hi Behzad,
I hope you enjoy this new feature too ;)
https://github.com/yade/trunk/commit/828893babba373d7c376c084a288e6af2f910512
Cheers,
Christian
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Question #244634 on Yade changed:
https://answers.launchpad.net/yade/+question/244634
Christian Jakob proposed the following answer:
Definitely better! But still only 8 out of 16 CPU are used, between 30 and
50%.
Instead 8 cores were never used for the entire time that yade was running.
You
Question #244634 on Yade changed:
https://answers.launchpad.net/yade/+question/244634
Christian Jakob proposed the following answer:
forgot to say that you should not use a higher value than 8 in the -j
option:
yade-Unknown -j8 checkPerf.py
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Question #244312 on Yade changed:
https://answers.launchpad.net/yade/+question/244312
Status: Open = Needs information
Christian Jakob requested more information:
setting integrateInertia=False doesns't fix the problem.
confirmed
One problem I detected with my own script is, that
I
Question #244312 on Yade changed:
https://answers.launchpad.net/yade/+question/244312
Christian Jakob posted a new comment:
sorry forgot to end my sentence:
One problem I detected with my own script is, that when using
replaceByClumps in a periodic space sometimes balls are created outside
Question #244312 on Yade changed:
https://answers.launchpad.net/yade/+question/244312
Christian Jakob posted a new comment:
when using replaceByClumps in a periodic space sometimes balls are
created outside periodic cell
It should not be a problem. Is it? In yade's PBC particles can
Question #244312 on Yade changed:
https://answers.launchpad.net/yade/+question/244312
Status: Needs information = Answered
Christian Jakob proposed the following answer:
Hi again,
I have a good and a bad message for you:
The good one is: I found the problem and fixed it [1].
The bad one
Question #244312 on Yade changed:
https://answers.launchpad.net/yade/+question/244312
Christian Jakob proposed the following answer:
Would you please let me know how can I update my code to get change
you made? I appreciate it.
There are different possibilities:
https://yade-dem.org/doc
Question #244312 on Yade changed:
https://answers.launchpad.net/yade/+question/244312
Christian Jakob posted a new comment:
Hi Behzad,
Some time ago Francois Kneib detected this bug in clump generation:
https://bugs.launchpad.net/yade/+bug/1273172
Please have a look at this.
Is it the same
Question #243019 on Yade changed:
https://answers.launchpad.net/yade/+question/243019
Christian Jakob posted a new comment:
There is no python wrapping of the cell objects
, hence we need one getter per variable.
wouldnt it be better create wrapper for cell objects, so that users can
do
Question #243019 on Yade changed:
https://answers.launchpad.net/yade/+question/243019
Status: Answered = Solved
Christian Jakob confirmed that the question is solved:
Thanks Bruno Chareyre, that solved my question.
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New question #243019 on Yade:
https://answers.launchpad.net/yade/+question/243019
Hi,
How can I loop over all cells in PFV method?
I noticed there is an id of each cell, but how can I find out all ids?
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Question #226679 on Yade changed:
https://answers.launchpad.net/yade/+question/226679
Christian Jakob proposed the following answer:
But the Programme stop and warnt NameError: name 'makeClumpTemplate' is not
defined.
The command is clumpTemplate(), not makeClumpTemplate() ...
hih
c
Question #240620 on Yade changed:
https://answers.launchpad.net/yade/+question/240620
Christian Jakob posted a new comment:
Polyhedra code was implemented with 3715, so the examples should work at
3730
http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/revision/3715
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Question #240557 on Yade changed:
https://answers.launchpad.net/yade/+question/240557
Christian Jakob posted a new comment:
I try to install Yade on the high performance cluster of our
university.
I like to hear that. Do you really need GUI at the cluster? Does this
cluster provide GUI
Question #240620 on Yade changed:
https://answers.launchpad.net/yade/+question/240620
Christian Jakob posted a new comment:
hi martin,
there are several examples in examples/tetra and examples/polyhedra
folders.
good luck,
christian
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New question #240628 on Yade:
https://answers.launchpad.net/yade/+question/240628
Hi,
I am using PFV and want to know how I can get fluid velocity in the cells.
While visualisation in paraview one can see fluid velocities, but how can i get
this information in python code?
I tried following
Question #238797 on Yade changed:
https://answers.launchpad.net/yade/+question/238797
Christian Jakob proposed the following answer:
You can avoid explosions by using calm() function, which sets velocities of all
bodies to zero.
In addition with a pyrunner, it can help you ... You can try
Question #233232 on Yade changed:
https://answers.launchpad.net/yade/+question/233232
Christian Jakob posted a new comment:
Finally I could fix the bouyancy example.
The problem was in saturatedList:
When a clump was added to this (python) list, its permanent forces added by
addF() disappeared
Question #233320 on Yade changed:
https://answers.launchpad.net/yade/+question/233320
Christian Jakob posted a new comment:
maxF = 0.0
minF = 1e9
for b in O.bodies:
F = O.forces.f(b.id)
maxF = max(maxF,F.norm())
minF = min(minF,F.norm())
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Question #233320 on Yade changed:
https://answers.launchpad.net/yade/+question/233320
Christian Jakob posted a new comment:
std 0,0313071957 0,0460952889
hi matthias,
thanks for this interesting results.
that means quad precision shows nearly no effect on standard deviation in
multithreading
Question #233320 on Yade changed:
https://answers.launchpad.net/yade/+question/233320
Christian Jakob posted a new comment:
this standard deviation is the standard deviation of the posted data
columns.
yes, i followed this discussion from the beginning.
so of course, also
long double
Question #233232 on Yade changed:
https://answers.launchpad.net/yade/+question/233232
Christian Jakob posted a new comment:
Thanks Bruno for this new feature.
Unfortunately it is not possible to use O.forces.addF() for clumps ...
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Question #233232 on Yade changed:
https://answers.launchpad.net/yade/+question/233232
Christian Jakob posted a new comment:
https://github.com/yade/trunk/blob/master/examples/clumps/apply-
buoyancy-clumps.py
replace lines 99 - 104 by this line:
O.forces.addF(b.id,F_buo,permanent=True)
and you
Question #233232 on Yade changed:
https://answers.launchpad.net/yade/+question/233232
Christian Jakob posted a new comment:
Just to be sure, we are talking about the same script.
This part is working fine:
F_buo = -1*(pi/3)*dh*dh*(3*rad - dh)*rho_f*integrator.gravity # = -V*rho*g
#apply
Question #233232 on Yade changed:
https://answers.launchpad.net/yade/+question/233232
Christian Jakob posted a new comment:
... to be more precise:
I also tested this 2-liner, which works equally well:
O.bodies.appendClumped([sphere((0,0,0),1),sphere((1,0,0),1)])
O.forces.addF(2,(1,0,0),True
Question #236206 on Yade changed:
https://answers.launchpad.net/yade/+question/236206
Status: Open = Answered
Christian Jakob proposed the following answer:
Hi,
Fixed via:
- setting a label to capillary law:
Law2_ScGeom_CapillaryPhys_Capillarity(capillaryPressure=40,createDistantMeniscii
Question #236323 on Yade changed:
https://answers.launchpad.net/yade/+question/236323
Christian Jakob posted a new comment:
Confirm!
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Question #236721 on Yade changed:
https://answers.launchpad.net/yade/+question/236721
Christian Jakob proposed the following answer:
afaik, there is no such tool.
i would definitely use this new feature!
thanks in advance
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Question #236206 on Yade changed:
https://answers.launchpad.net/yade/+question/236206
Christian Jakob posted a new comment:
Hi,
Sorry for this late reply. Are you still facing this problem?
Christian.
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Question #235985 on Yade changed:
https://answers.launchpad.net/yade/+question/235985
Status: Open = Answered
Christian Jakob proposed the following answer:
hi sergio,
it is a bit tricky, but possible. one idea:
- give your clump clouds different color
- loop over clumps
- find maximum
Question #235552 on Yade changed:
https://answers.launchpad.net/yade/+question/235552
Christian Jakob posted a new comment:
Hi,
I tried to pass it as a python::object
Yes this is tricky. An example how you can pass python lists and objects
is here:
https://github.com/yade/trunk/blob/master/py
Question #235259 on Yade changed:
https://answers.launchpad.net/yade/+question/235259
Status: Open = Answered
Christian Jakob proposed the following answer:
Maybe the problem is, that the material id can not be used for specify a
material (not sure, if this is the problem)
instead
Question #235259 on Yade changed:
https://answers.launchpad.net/yade/+question/235259
Christian Jakob proposed the following answer:
My actual problem is, that only 1 interaction does appear in the
container O.interactions.
How many interactions would you expect from a simple model with one
Question #235138 on Yade changed:
https://answers.launchpad.net/yade/+question/235138
Christian Jakob proposed the following answer:
Hi,
how ever, i have some additional development during the simulation. an error
named
FATAL /build/buildd/yade-0.70.0/core/ThreadRunner.cpp:31 run
Question #235138 on Yade changed:
https://answers.launchpad.net/yade/+question/235138
Status: Open = Answered
Christian Jakob proposed the following answer:
Hi stephen,
Welcome to yade community.
In yade you have to define materials (e.g. one material for particles
and one for boundaries
Question #235138 on Yade changed:
https://answers.launchpad.net/yade/+question/235138
Status: Open = Answered
Christian Jakob proposed the following answer:
in your script i see some inconsistencies, that can lead to unexpected
results:
# 1. problem:
idSand=O.materials.append(FrictMat
Question #233232 on Yade changed:
https://answers.launchpad.net/yade/+question/233232
Christian Jakob posted a new comment:
Actually this force will be erased at the next step, right?
right, i tested that already.
It gives me an idea on a possible variant that would store user defined
Question #233241 on Yade changed:
https://answers.launchpad.net/yade/+question/233241
Christian Jakob posted a new comment:
did you try this?
count = 0
for i in O.interactions.withBody(i):
if i.isReal:
count += 1
print count
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Question #233241 on Yade changed:
https://answers.launchpad.net/yade/+question/233241
Status: Open = Answered
Christian Jakob proposed the following answer:
hm, personally I prefer using proofed and implemented methods:
#if you have clumps in the model:
coord_num = avgNumInteractions
Question #233241 on Yade changed:
https://answers.launchpad.net/yade/+question/233241
Christian Jakob proposed the following answer:
Yes, a simple way to get the coordination numbers in whole, but is
there something wrong with my script to get coordination numbers in a
small regin.
So write
Question #232941 on Yade changed:
https://answers.launchpad.net/yade/+question/232941
Christian Jakob proposed the following answer:
Sorry for my totally dump suggestion in the last post.
I checked out your script today and recognized, that you tried to plot a vector
b0displ over iteration
Question #232941 on Yade changed:
https://answers.launchpad.net/yade/+question/232941
Status: Open = Answered
Christian Jakob proposed the following answer:
None of them don't affect the movement of particles.
Did you play with suction parameter in the script I send you?
It definitely
Question #232941 on Yade changed:
https://answers.launchpad.net/yade/+question/232941
Christian Jakob posted a new comment:
... , where
aabb = axis aligned bounding box:
https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.Aabb
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Question #232941 on Yade changed:
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Christian Jakob posted a new comment:
Sorry if my suggestions are wrong, I can not check out your script right now.
But I think it is just a problem in order of commands.
If you plot before calculation, you
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