yade-users team mailing list archive

[Anton Gladky <gladky.anton@xxxxxxxxx>]

One of the task, what I am working now is a screw conveyor simulation.
It is not like your spinning cylinder, but something more-less similar.

I am satisfied with first results. Of course, there are some problems, but
they always exist.

So, I think you should dive into code a little bit, make calibration,
parameters defining etc...
You should prepare for long monotone painstaking work, which will bring good
results.
Good luck!


2010/7/8 Václav Šmilauer <eudoxos@xxxxxxxx>

> > on the first look, your model requires calibration (physical
> > parameters, time-step etc.).
> > Calibration is a very important part of work.
> Yes, I second that.
>
> There is a critical timestep for the integration, but depending on the
> velocity magnitude of your particles, you might have to make the
> timestep smaller, otherwise pathological effects like unstable
> interactions (which can lead to leaking a particle through a facet)
> might occur. Try decreasing it 2x or more and you will see if it makes a
> difference. I was not sure if there were some particles going through,
> since most or all are going through the top.
>
> v
>
>
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