[Pw_forum] end of self consistent calculation. No convergence has been achieved

[Paolo Giannozzi]

On Wed, 2012-02-29 at 04:29 -0800, zafar rasheed wrote:

> the program phonon stopped with the error "end of 
> self consistent calculation. No convergence has been 
> achieved" in the representation 2  

there isn't much that can be done, other than reducing 
further the mixing parameter. The alternative is to find
out why convergence is so slow, or ways to improve convergence.

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P.
-- 
Paolo Giannozzi, IOM-Democritos and University of Udine, Italy