yade-users team mailing list archive

[Ken Mendoza <ken_mendoza@xxxxxxxxxxxxxxxxxx>]

Understood, thanks for the help.

Unfortunately the same thing happened for the interaction dispatcher, I've rechecked the syntax & I'm not sure why the error is happening:
O.engines+=[InteractionDispatchers([Ig2_Sphere_Sphere_Dem3DofGeom(distFactor=intradius)],[Ip2_CpmMat_CpmMat_CpmPhys()])]

Sorry for the trouble.

I tried running an e.g. script but received the following error after a few steps while the script was running:
20100728T155612p4107 compression -0.0616181624995 -581028.439072
Damaged, stopping.
Strengths fc=-2.47684e+07, ft=3.71299e+06, |fc/ft|=6.67074
gnuplot---------------------------------------------------------------------------
IOError                                   Traceback (most recent call last)

/usr/local/yade-0.50/lib/yade-0.50/py/yade/__init__.py in <module>()
----> 1
      2
      3
      4
      5

/usr/local/yade-0.50/lib/yade-0.50/py/yade/__init__.py in stopIfDamaged()
    161                         print 'Strengths fc=%g, ft=%g, |fc/ft|=%g'%(fc,ft,abs(fc/ft))
    162                         title=O.tags['description'] if 'description' in O.tags.keys() else O.tags['params']
--> 163                         print 'gnuplot',plot.saveGnuplot(O.tags['id'],title=title)
    164                         print 'Bye.'
    165                         # O.pause()


/usr/local/yade-0.50/lib/yade-0.50/py/yade/plot.py in saveGnuplot(baseName, term, extension, timestamp, comment, title, varData)
    147         if timestamp: baseName+=time.strftime('_%Y%m%d_%H:%M')
    148         baseNameNoPath=baseName.split('/')[-1]
--> 149         fData=bz2.BZ2File(baseName+".data.bz2",'w');
    150         fData.write("# "+"\t\t".join(vars)+"\n")
    151         for i in range(lData):

IOError: [Errno 13] Permission denied: '20100728T155612p4107.data.bz2'

Thanks,
Ken

-----Original Message-----
From: Václav Šmilauer [mailto:eudoxos@xxxxxxxx] 
Sent: Wednesday, July 28, 2010 2:32 PM
To: yade-users@xxxxxxxxxxxxxxxxxxx
Cc: Ken Mendoza
Subject: Re: String Argument Error


> I’m a new yade user & was experimenting with yade-0.50 when I ran into
> the following problem while trying to implement a variation of the
> examples in the user manual:

Hi Ken,

please do not contact me directly, use the
yade-users@xxxxxxxxxxxxxxxxxxx list for such questions so that other
people might reply or read the answer from archives later
(https://yade-dem.org/sphinx/user.html#mailing-lists)

> Yade [3]: for i in range(21):
> 
>      ...:     O.bodies.append([utils.sphere([0,0,i],1)])
This is a shorter way:

O.bodies.append([utils.sphere([0,0,i],1) for i in range(21)])

> Yade [4]: intradius=1.5
> 
> Yade [5]: O.engines=[ForceResetter()]
> 
> Yade [6]: O.engines=O.engines
> +[BoundDispatcher(Bo1_Sphere_Aabb(aabbEnlargeFactor=intradius))]

Bound dispatcher takes _list_ of functors. That line must read

  BoundDispatcher([Bo1_Sphere_Aabb(aabbEnlargeFactor=intradius)])

It is more efficient to assign O.engines at once:

O.engines=[ForceResetter(),BoundDispatcher([...]),...]

(See also simulations in the examples directory, for more complicated
stuff.)

> RuntimeError: First argument (if given) must be a string.
(This message is somewhat confusing (although true) and it was fixed in
the development version of yade.)

Cheers, Václav


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Please do not copy it or use it for any purpose, or disclose its contents to any other person. Thank you.