yade-dev team mailing list archive

[Anton Gladky <gladky.anton@xxxxxxxxx>]

One more remark,

I have installed Maverick 10.10 on virtual machine, I have also catched the
problem. So there is no problem with hardware.

Anton



On Tue, Sep 7, 2010 at 11:04 AM, Anton Gladky <gladky.anton@xxxxxxxxx>wrote:

> Hi, Vaclav!
>
> It seems, I have found the commit, which makes me problem on one of my
> machine.
> It is a very strange situation. I have 4 machines for simulation. And only
> one of them react on this problem.
>
> I will try to explain. Last week I started a simulation on i7 4xcore
> machine. After couple of hours I realized, that all spheres are gone!
> But the same script is working perfectly on other machines.
>
> Spheres are starting to disappear after first step of simulation and within
> next 100-200 iterations they are gone.
>
> This is the simulation of granular media with ViscoElastic (Sega's)
> constitutive law.
>
> I even reinstalled the OS on this computer (Lucid, other machines have the
> same OS), thinking, that the problem can be in some broken libraries.
> But it did not solve the problem. I started to compile different yade
> revisions and found, that the problem appears with commit 2399. 2398 works
> normally, but
> 2399 and later do not work.
>
> Please, could you not double check those commit? I will try to provide a
> script, but now it is a very complicated one with relatively difficult
> geometry.
> I will try to simplify it. But I think the problem is in interacting
> between facets and spheres. The problem appears, when I start to "move"
> facets pushing spheres.
> After a contact, they start to move very fast and then disappear at all.
>
> It is very strange, that the problem persist not on all machines with the
> same OS.
>
> I would very appreciate your help.
>
> Thanks.
>
> Anton
>
>