Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Status: Open => Answered
Bruno Chareyre proposed the following answer:
Hi,
I guess you want to simulate elastic waves or something, but as I was reading
phase 2 I did not see anything special exerted on
Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Aoxi Zhang posted a new comment:
Hi Karol,
Sorry for not making it clear.
I mean the damping is changing properly, but the problem is not solved and I
still need help on it.
Thanks,
Aoxi
--
You received
Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Karol Brzezinski posted a new comment:
Hi Zhang,
Do you mean 'work well', so the damping is changing properly, but you
still need help or work well and the problem is solved?
Cheers,
Karol
--
You received
Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Aoxi Zhang posted a new comment:
Hi Karol,
I have (1) updated the way of setting daping in phase2.py, now it works
well, (2) changed iterPeriod=1 to virtPeriod = RunTimeLength/1000 as you
suggested.
Thanks,
Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Karol Brzezinski posted a new comment:
Just a comment regarding changing the damping. I loaded the save from
phase1, and inspected damping in the following way
> O.engines[5].damping
Output is 0.6, which
Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Status: Answered => Open
Aoxi Zhang is still having a problem:
Hi,
I'd like also use labels for engines.
But sometimes I found that using label cannot successfully control the engine.
For instance, in
Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Jan Stránský posted a new comment:
@Karol: I was surprised, too, but it does works also this way :-D
It seems that somehow using class directly passes the argument to some
instances.
Maybe something about how
Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Status: Open => Answered
Karol Brzezinski proposed the following answer:
Hi,
I didn't run your code yet, but I am looking at the example. Are you
sure that you modify the damping by
>
Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Aoxi Zhang gave more information on the question:
Hi Jan,
Thanks for your comments.
>> it is not small enough to neglect the effect of its value.
I further tested on other smaller dt values, e.g. 1e-10, but
Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Status: Answered => Open
Aoxi Zhang is still having a problem:
Hi Karol and Jan,
Thanks for your feedback!
Below are the scripts of the MWE:
phase1.py
from __future__ import division
from yade
Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Status: Needs information => Answered
Jan Stránský proposed the following answer:
Hello,
please read [3], section "Please, no external links!".
MWE can be put directly in the question (assuming satisfying
Question #701438 on Yade changed:
https://answers.launchpad.net/yade/+question/701438
Status: Open => Needs information
Karol Brzezinski requested more information:
Hi,
Could you just just paste your code? Please find enclosed some good
reasons provided for such a practice [1].
Best
New question #701438 on Yade:
https://answers.launchpad.net/yade/+question/701438
Hi,
I was trying to simulate a bender element test using DEM, and I'd like to ask
that why the evolution of particle velocity varies with time step, even dt is
small enough compared to the dt obtained from
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