Comment 7 for bug 394687

Yes, of course!

But I can do it just tomorrow morning.
When I get results - will notify you.

Thank you!
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Anton Gladkyy

2009/7/7 Václav Šmilauer <email address hidden>

> Ah, got the cause, it seems: Cundall's damping. It is a function with
> _discontinuity_ (i.e. not just with big but finite derivative), which
> means that it can turn instantaneously very small difference into a huge
> one. When running without damping (0.0), the results are 100% the same
> even for the multi-threaded run. Can you verify that?
>
> --
> different results for same initial simulation (uninitialized values?)
> https://bugs.launchpad.net/bugs/394687
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in Yet Another Dynamic Engine: Confirmed
>
> Bug description:
> First reported by Anton on the ML. The attached script produces different
> results for same initial simulation. By running it, it will produce 3 saved
> final simulations and 3 gnuplot plots (suffixed -00, -01, -02). They are
> different. It should be found out why.
>