[Wien] No convergence during Volume Optimization

[Abderrahmane Reggad]

Thank you Dr Pieper for your interesting to my questions.

I have optimized the atomic positions before doing calculation.

Tha thing that I didn't understand is that the convergence is reached for
some points but not for others.

For the "optimization notes " , there is no mention on the difference
betwwen the energy and force approaches.

Best regards


-- 
Mr: A.Reggad
Laboratoire de Génie Physique
Université Ibn Khaldoun - Tiaret
Algerie
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