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[SIBERCHICOT Bruno <bruno.siberchicot@cea.fr>]

Hello,

It's very easy. Here is one recipe:
1- for a given acell, you vary ecut and draw ETOT versus ecut. According 
to the accuracy you want, you choose ecut.
2- for your chosen ecut, you vary acell and draw ETOT versus acell
QED



venomdi2000@yahoo.com a écrit :
> Good night abinit user
>
> I want to ask about study of convegence in paramete acell and ecut in abinit.
>
> From, lecture 2 abinit tutorial, it shows that the value of parameter ecut and
> acell can be found by convergence study of atomization energy and the length 
> of
> bond. Tutorial uses Hydrogen as case study. I want to know how to implement
> this in another case. hydrogen only has 2 atoms, so it is easy when we try to
> see the convergence of length of atomic bond. My case is GaAs which has 8
> atoms, so observing length of atomic bond is difficult. Is there another way
> for this?
>
> Thank you for the suggestion. I appreciate the help
>
> with regard
> Andika 
> ITB 
>