[Wien] error in FSM calculation

saeid jalali s_jalali_a at yahoo.com
Thu Feb 3 20:36:35 CET 2005


Hi Sergio,
Since I did not have your structure file, I tried runfsm_lapw -m x varying x in a wide range from 0 to 10 on some other cases to see whether similar problem (depending fixed-spin-moment upon lattice parameters) could occur for me too or not. (Un)fortunately despite using the wide interval the former case severely was occurred so that I could not force the program to be stopped with the error.
Hence it is hard to make conclusion at this stage, however, we may say that either there is something strange in your structure file (if you also use the default parameters during initialization) or our version of runfsm scripts are different.
 
Your,
Saeid Jalali.

"Sergio L. Palacios Diaz" <sergio at pinon.ccu.uniovi.es> wrote:
Dear Saeid,

the calculation stops at first cycle. So convergence does not seem to be
the issue.

Regards,




El jue, 03-02-2005 a las 17:07, saeid jalali escribió:
> Would you answering the following question help us to think better?
> Why does one expect to be well converged the program for any imposed
> fixed spin moments?
> 
> 
> Your,
> Saeid Jalali.
> PS: Does it stop at first cycle or higher cycles?
> 
> "Sergio L. Palacios Diaz" wrote:
> Hi Wien2k community !!
> 
> I am running a FSM calculation for Fe50Cu50. The lattice
> parameters are
> a=b=2.4324473, c=3.44 (angstroms) and the space group is
> P4/mmm.
> When I perform the FSM calculation from m=0.1 to m=4.0 with a
> step of
> 0.1 the calculation stops for the m=0.1 value. However I get
> results for
> all the other values of the magnetic moment.
> Also, if I employ different values of the lattice parameters,
> sometimes
> the calculation stops at different values of the magnetic
> moment. For
> example, for c=3.43 angstroms (with proper changes in a=b),
> the FSM only
> gets values from m=0.1 to m=0.9 and if c=3.45 angstroms is
> used then the
> calculation runs well from m=0.1 to m=3.5.
> The error message is always the same, i.e.
> 
> start (Wed Feb 2 00:32:58 CET 2005) with lapw0 (200/20 to go)
> > lapw0 (00:32:58) 4.670u 0.010s 0:09.73 48.0% 0+0k 0+! 0io
> 264pf+0w
> > lapw1 -up (00:33:08) 13.560u 0.810s 0:29.85 48.1% 0+0k 0+0io
> 313pf+0w
> > lapw2 -up (00:33:38) 8.990u 0.140s 0:19.18 47.6% 0+0k 0+0io
> 284pf+0w
> 
> > stop error
> 
> 
> This really puzzles me. Can anyone help me to fix this problem
> ?
> 
> Best regards.
> -- 
> Dr. Sergio L. Palacios
> Profesor Titular de Fsica Aplicada
> Dpto. de Fsica--Facultad de Ciencias
> Universidad de Oviedo
> C/ Calvo Sotelo s/n
> Oviedo 33007
> Spain
> Phone: +34 98 5 10 28 48
> Fax: +34 98 5 10 33 24
> e-mail: sergio at pinon.ccu.uniovi.es; slpalacios at uniovi.es
> 
> _______________________________________________
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> 
> 
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-- 
Dr. Sergio L. Palacios
Profesor Titular de Física Aplicada
Dpto. de Física--Facultad de Ciencias
Universidad de Oviedo
C/ Calvo Sotelo s/n
Oviedo 33007
Spain
Phone: +34 98 5 10 28 48
Fax: +34 98 5 10 33 24
e-mail: sergio at pinon.ccu.uniovi.es; slpalacios at uniovi.es

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