Question #692956 on Yade changed:
https://answers.launchpad.net/yade/+question/692956
Janek Kozicki posted a new comment:
> Can I add a new function for defining a the forces using the
> Clohessy–Wiltshire equationsin the GravityEngines.cpp
> based on the other functions in the file? Are there ot
Question #692956 on Yade changed:
https://answers.launchpad.net/yade/+question/692956
Janek Kozicki posted a new comment:
Yeah, CentralGravityEngine is a really bad name. I don't think it is
used very often in yade so we could rename it to something like
CentralAccelerationEngine. Then you could u
Question #692956 on Yade changed:
https://answers.launchpad.net/yade/+question/692956
Status: Needs information => Open
Rohit John gave more information on the question:
Hello,
Thanks for your answers
reply to Robert's comments.
> Even if what you say is true (which seems odd to me), why s
Question #692956 on Yade changed:
https://answers.launchpad.net/yade/+question/692956
Janek Kozicki posted a new comment:
Heh, sorry. I didn't use easier to read refs [1][2][3][4].
[1] https://yade-dem.org/doc/yade.qt.html#yade.qt._GLViewer.center
[2] https://yade-dem.org/doc/yade.wrapper.html#fi
Question #692956 on Yade changed:
https://answers.launchpad.net/yade/+question/692956
Janek Kozicki posted a new comment:
Hi, this is a very nice idea.
If you want the qglviewer camera to follow your debirs you can for
example use function https://yade-
dem.org/doc/yade.qt.html#yade.qt._GLViewer.
Question #692956 on Yade changed:
https://answers.launchpad.net/yade/+question/692956
Status: Open => Needs information
Robert Caulk requested more information:
Hello,
I am a little confused.
>The CentralGravityEngine will not work because the length scale
involved would be of the order of
New question #692957 on Yade:
https://answers.launchpad.net/yade/+question/692957
Dear all,
I use the PotentialBlocks module to create polyhedrons of different sizes. The
sizes of the three polyhedrons are 0.0035, 0.0075, and 0.02. Let these
polyhedrons accumulate under the action of gravity, b
New question #692956 on Yade:
https://answers.launchpad.net/yade/+question/692956
Hello,
I want to simulate the motion of debris (a cube made of pfacet) and a group of
cylinders orbiting around the Earth. To do this, I want to use the
Clohessy–Wiltshire equations [1]. I thought I could use the
Question #692613 on Yade changed:
https://answers.launchpad.net/yade/+question/692613
Status: Open => Expired
Launchpad Janitor expired the question:
This question was expired because it remained in the 'Open' state
without activity for the last 15 days.
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Question #692945 on Yade changed:
https://answers.launchpad.net/yade/+question/692945
Robert Caulk requested more information:
>why isn't speed the best when using the maximum number of threads?
There could be quite a few reasons for this. Impossible to answer
without an MWE [1].
Cheers,
Robert
Question #692945 on Yade changed:
https://answers.launchpad.net/yade/+question/692945
Status: Open => Answered
Jérôme Duriez proposed the following answer:
As for 1, the "2 threads per core" idea assumes hyperthreading, which is
hardware-dependent.
I tend myself to see "thread" and (logical,
Question #692945 on Yade changed:
https://answers.launchpad.net/yade/+question/692945
Status: Answered => Open
Wang Yu is still having a problem:
Thanks Jan,
I have just tried some simulations. I use different "-j" and
"--cores"parameters and found that :
When I use "-j 20" the speed is fas
Question #692945 on Yade changed:
https://answers.launchpad.net/yade/+question/692945
Status: Open => Answered
Jan Stránský proposed the following answer:
The "best speed" very much depends on your simulation. The best is to try
several -j options and measure the time.
Cheers
Jan
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New question #692945 on Yade:
https://answers.launchpad.net/yade/+question/692945
Hello
I am confused about OpenMP threads in Yade
1. In my understanding, the number of cores and threads are different, with two
threads per core, but the doc notes that -j and --cores seem to be equivalent?
Shoul
Question #692935 on Yade changed:
https://answers.launchpad.net/yade/+question/692935
Status: Answered => Solved
Leonard confirmed that the question is solved:
Thanks Jan Stránský, that solved my question.
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