Question #688690 on Yade changed:
https://answers.launchpad.net/yade/+question/688690
Status: Answered => Solved
gaoxuesong confirmed that the question is solved:
I have tried and removed the '\r' following your method.
Thanks Jan. Your instructions are really helpful.
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Question #688789 on Yade changed:
https://answers.launchpad.net/yade/+question/688789
Status: Answered => Solved
gaoxuesong confirmed that the question is solved:
Hi Jan,
Thank you very much. Yes, you are right. The simulation will proceed if
i use the original O.engines.
I've
Question #688690 on Yade changed:
https://answers.launchpad.net/yade/+question/688690
gaoxuesong posted a new comment:
Which editor can show the carriage return symbols, such as '^M'?
I have opened the translated file using the Ubuntu default editor but there is
no format error
Question #688690 on Yade changed:
https://answers.launchpad.net/yade/+question/688690
gaoxuesong posted a new comment:
Hi Jan,
I use a Spyder editor integrated in Anaconda on Windows 10 to
conduct the translation code. By the way, what does the '/\r//' mean in
your command?
Thanks
Question #688690 on Yade changed:
https://answers.launchpad.net/yade/+question/688690
Status: Needs information => Open
gaoxuesong gave more information on the question:
Sorry for that. Below is my MWE.
1. the initial particles set saved by
sp = pack.SpherePack()
sp.s
New question #688789 on Yade:
https://answers.launchpad.net/yade/+question/688789
Hi. I want to try some parameters that come into play at a late time point,
like 1.0s. So i save the simulation at 0.9s and then restart it by O.load()
method, followed by trying new parameters.
I have a roller c
Question #688690 on Yade changed:
https://answers.launchpad.net/yade/+question/688690
Status: Needs information => Open
gaoxuesong gave more information on the question:
The error is shown as,
RuntimeError: bad lexical cast: source type value could not be
interpreted as target
Tha
New question #688690 on Yade:
https://answers.launchpad.net/yade/+question/688690
Hi. I have a file of spherical particles saved by function of
pack.SpherePack().save(). It has the format as follows,
0.000919246 0.000859971 0.000602774 1.20067e-05 -1
0.000959836 0.00055149 0.000975021 2.11065e-
Question #688343 on Yade changed:
https://answers.launchpad.net/yade/+question/688343
Status: Answered => Solved
gaoxuesong confirmed that the question is solved:
Thanks, Jan. I cut off some parts of the mesh and get a total number of
93,011. The calculation speed is 60 iter/s. i think t
New question #688343 on Yade:
https://answers.launchpad.net/yade/+question/688343
Hi. Now i am simulating a case where spherical particles are spreading on a
substrate imported from a stl mesh. The number of the spherical particles is
6,000 and the number of the facets from stl mesh is 447,262.
Question #684115 on Yade changed:
https://answers.launchpad.net/yade/+question/684115
Status: Answered => Solved
gaoxuesong confirmed that the question is solved:
Thanks very much for your answers. Helps me a lot.
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Question #684115 on Yade changed:
https://answers.launchpad.net/yade/+question/684115
Status: Solved => Open
gaoxuesong is still having a problem:
Can i change the status of this question? I make a mistake to set it as
solved. :(
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Question #684115 on Yade changed:
https://answers.launchpad.net/yade/+question/684115
Status: Open => Solved
gaoxuesong confirmed that the question is solved:
The source code website is:
https://gitlab.com/yade-dev/trunk/blob/master/pkg/dem/FrictPhys.cpp
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New question #684115 on Yade:
https://answers.launchpad.net/yade/+question/684115
Hi. Now i am studying the source code of FrictPhys.cpp. I am confused about
some concepts even after i check the programmer manual. My questions are
mainly about these codes,
1. const shared_ptr& mat1 = YADE_PTR
Question #683109 on Yade changed:
https://answers.launchpad.net/yade/+question/683109
gaoxuesong posted a new comment:
Hi Robert, thanks for your test. When i try to use -j8, i have warn, like
###
WARN /build/yade-fDuCoe/yade-2018.02b/pkg/common/InsertionSortCollider.cpp:76
Question #683109 on Yade changed:
https://answers.launchpad.net/yade/+question/683109
gaoxuesong posted a new comment:
Hi Robert, i have sphere and facet particles in my model. The total sphere is
6691, facet is 2020. So with this number of bodies, is it necessary to use
multiple cores, like -j
Question #683109 on Yade changed:
https://answers.launchpad.net/yade/+question/683109
gaoxuesong posted a new comment:
Hi, Duriez. You are right. I know the capability is limited. However, i post
the performance test of Yade on my computer and want to make sure the problem
of slow speed is not
New question #683109 on Yade:
https://answers.launchpad.net/yade/+question/683109
Hi, i try to do some simulation about particle packing behavior in a rotating
drum. However the iteration speed is so low as about 30 iterations per second.
Nevertheless, at the beginning when the particles are far
Question #682916 on Yade changed:
https://answers.launchpad.net/yade/+question/682916
Status: Answered => Solved
gaoxuesong confirmed that the question is solved:
So i think i will ask a new question about why my simulation speed is so
low. I will supply a MSW example.
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Question #682898 on Yade changed:
https://answers.launchpad.net/yade/+question/682898
gaoxuesong posted a new comment:
Thanks. Now i understand the adhesion attribute in the CohFricPhys material and
it is a adhesion strength. Sorry i don't understand the c++ code. Is there any
papers to
Question #682916 on Yade changed:
https://answers.launchpad.net/yade/+question/682916
gaoxuesong posted a new comment:
Thank. The last question is that i want to know the meaning of some item on the
graphical controller. As shown in the picture below,
https://drive.google.com/open?id
New question #682916 on Yade:
https://answers.launchpad.net/yade/+question/682916
Hi, I have some questions about the cores and threads in parallel mode.
1. What's the difference between the --cores and -j ? In the documentation,
they almost have the same defination.
--cores Set number o
Question #682883 on Yade changed:
https://answers.launchpad.net/yade/+question/682883
gaoxuesong posted a new comment:
You are welcome. However, in the way as you said,
###
-->>s1=O.bodies.append(sphere((x1,y1,z1),radius=radius1))
-->>list1=[]
-->>list1.append(s1)
###
list1
Question #682883 on Yade changed:
https://answers.launchpad.net/yade/+question/682883
Status: Open => Answered
gaoxuesong proposed the following answer:
Hi,
The possible way i think is that using different lists to save the sphere's
id of different groups and do loop in e
Question #682898 on Yade changed:
https://answers.launchpad.net/yade/+question/682898
gaoxuesong posted a new comment:
I have checked the definition of CohFrictMat. So the normalCohesion
and shearCohesion is the an and as appeared in the documentation of
New question #682898 on Yade:
https://answers.launchpad.net/yade/+question/682898
Hi.
I have looked through the document for
Law2_ScGeom6D_CohFrictPhys_CohesionMoment. It gives the formula to calculate
the contact force. Fn=min(kn∗(un−upn),an). an is the cohesive force. But is
there any m
Question #682159 on Yade changed:
https://answers.launchpad.net/yade/+question/682159
Status: Needs information => Open
gaoxuesong gave more information on the question:
I find that there is a delay for the window to render the image. So maybe the
codes are not executed by the origi
Question #682159 on Yade changed:
https://answers.launchpad.net/yade/+question/682159
gaoxuesong posted a new comment:
Yes. The errors are,
"Secondary views not supported. "
This is the screenshot,
https://drive.google.com/file/d/1O4bQeGykuW9xMnZiEX_0RG-XyqcfHGZP/view?usp=sharin
New question #682159 on Yade:
https://answers.launchpad.net/yade/+question/682159
I have saved a list of results by using O.save during the calculation. Now i
want to load each result and output a picture. The function i use is
saveSnapshot(). The following codes work,
O.load(file)
qtr =
Question #681232 on Yade changed:
https://answers.launchpad.net/yade/+question/681232
Status: Answered => Solved
gaoxuesong confirmed that the question is solved:
Thanks, my question has been solved.
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Question #681343 on Yade changed:
https://answers.launchpad.net/yade/+question/681343
Status: Answered => Solved
gaoxuesong confirmed that the question is solved:
Thanks, it works.
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Question #681341 on Yade changed:
https://answers.launchpad.net/yade/+question/681341
gaoxuesong posted a new comment:
Yes, you are right. Much thanks.
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Question #681343 on Yade changed:
https://answers.launchpad.net/yade/+question/681343
gaoxuesong posted a new comment:
Thanks. I will try it and reply later.
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Question #681341 on Yade changed:
https://answers.launchpad.net/yade/+question/681341
Status: Answered => Solved
gaoxuesong confirmed that the question is solved:
Thanks. I have tried to move and scale a facet. For moving a facet, just
changing the position is feasible. But for scalin
New question #681343 on Yade:
https://answers.launchpad.net/yade/+question/681343
We can use the ymport.stl function to import facet from stl format file.
I want to ask if the coding of the file must be binary or not?
In my case, i need to do some modifications to the geometry, such as move and
New question #681341 on Yade:
https://answers.launchpad.net/yade/+question/681341
How to move or scale a facet? In my opinion, 1. get the 3 vertices of the
facet. 2. give a increment to x coordinate of the 3 vertices (e.g., move in x
direction). 3. the facet move automatically, if not, use the n
Question #681232 on Yade changed:
https://answers.launchpad.net/yade/+question/681232
gaoxuesong posted a new comment:
> the time step
The PWaveTimeStep is 1.02e-08.
By the way, the default option of Yade is in parallel and uses all of the
available cores? In the tutorial, it says,
Question #681232 on Yade changed:
https://answers.launchpad.net/yade/+question/681232
gaoxuesong posted a new comment:
>the problem is that with rMean=rRelFuzz, the radius may be arbitrarily
small (you can print the minimal value), making the PWaveTimeStep very
small, too.
Actually i run
Question #681232 on Yade changed:
https://answers.launchpad.net/yade/+question/681232
gaoxuesong posted a new comment:
Hi Jan,
Thanks for your answers. For the density magnification, in my case, the
diameter of the sphere is around 80 um. If i use the normal density, it
costs about 4 hours to
Question #681014 on Yade changed:
https://answers.launchpad.net/yade/+question/681014
Status: Answered => Solved
gaoxuesong confirmed that the question is solved:
Hi. Sorry for late test.
Based on my experiments about this method, i find the parameter 'factor' is
very i
New question #681232 on Yade:
https://answers.launchpad.net/yade/+question/681232
Hi, in my case there are lots of spheres in one box and a piston in the bottom
of the box. Then the piston does harmonic vibration. I find when the vibration
amplitude goes to high, the spheres go through the pisto
Question #681014 on Yade changed:
https://answers.launchpad.net/yade/+question/681014
gaoxuesong posted a new comment:
Hi, Jan,
Much thanks. Your method as well as code reallys works. I am very impressed
by this method. Could you tell me more about it? Like the math behind it.
I am a
New question #681014 on Yade:
https://answers.launchpad.net/yade/+question/681014
I have got the sphere particle packing using Yade. I want to get the top
surface roughness which is the height deviation to an mean value of the
particle on the surface. The definition is shown in the picture a
Question #680907 on Yade changed:
https://answers.launchpad.net/yade/+question/680907
Status: Answered => Solved
gaoxuesong confirmed that the question is solved:
It works. Thanks.
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Question #680907 on Yade changed:
https://answers.launchpad.net/yade/+question/680907
gaoxuesong posted a new comment:
Sorry, Jan. I make it confucius. I want to write a class for data post-
process. In my defined class, the Sphere class from yade is used. When i
invoke my class from yade
Question #680907 on Yade changed:
https://answers.launchpad.net/yade/+question/680907
gaoxuesong gave more information on the question:
The line i used to create symbolic link is,
ln -s /usr/bin/yade yadeimport.py
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New question #680907 on Yade:
https://answers.launchpad.net/yade/+question/680907
I want to write a data-post class for the result from yade. In my class i used
the Sphere class. But when i invoke my class in yade console, the Sphere class
is not recognised. I have looked up the information abo
Question #680662 on Yade changed:
https://answers.launchpad.net/yade/+question/680662
gaoxuesong confirmed that the question is solved:
Thanks Jan Stránský, that solved my question.
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Question #680662 on Yade changed:
https://answers.launchpad.net/yade/+question/680662
Status: Answered => Solved
gaoxuesong confirmed that the question is solved:
Thanks. Jan. The adapted code runs well. I think the problem is the
increasing length of O.engines.
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Question #680662 on Yade changed:
https://answers.launchpad.net/yade/+question/680662
gaoxuesong posted a new comment:
Sorry to add the ubuntu and yade version used.
The ubuntu is Ubuntu 18.04.1 LTS, and the yade is 2018.02b.
Much thanks.
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Question #680662 on Yade changed:
https://answers.launchpad.net/yade/+question/680662
gaoxuesong posted a new comment:
Hi, Jan. Yes, you are right. I have tried the above code and no segment fault
occurred. Then I add some lines which i thought were unimportant in the past
and the problems
New question #680662 on Yade:
https://answers.launchpad.net/yade/+question/680662
In my case, the sphere used is in micron size. When i use the real material
property, especially the density, the calculation crashes after some
time(Segment fault (core dumped)). Then i try to magnify the density
Question #677084 on Yade changed:
https://answers.launchpad.net/yade/+question/677084
Status: Answered => Open
gaoxuesong is still having a problem:
Hi. The thing i want is with the yade-batch mode, when i finish 5000 iters, i
want to reload some previous state which has been saved bef
Question #677084 on Yade changed:
https://answers.launchpad.net/yade/+question/677084
gaoxuesong gave more information on the question:
I have just found that just put the functional code into a function
runned by pyRunner, it works well in yade-batch mode. So my question
becomes that if it is
New question #677084 on Yade:
https://answers.launchpad.net/yade/+question/677084
I want to get the information of some specific spheres during the calculation
when it meets some condition, like the time larger than some point. i have used
two run mode of yade, one is just normal mode, the other
New question #675797 on Yade:
https://answers.launchpad.net/yade/+question/675797
I have learned examples in the folder of trunk/examples/grids/ on github. The
example of "CohesiveGridConnectionSphere" deal with a line of girds interacting
with a sphere. The example of Simple_Grid_Falling deals
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