Hello haibei,
Thanks for you reply.
I can get your meaning "constrain bood length". But i try another input file in my system, the decomposition did not occur again. And i complare the twe file finding that the some differenence is the QS section , the XC_GRID and the MG_GRID. So in my mind ,maybe these sections get the AIMD to different output. However, i don‘t know what section solve the situation of decomposition.
As for fix bood length , I feel it will cause errors in the calculation results . But this is only my feelling.
The new input-file and the old input-file as attach is present below.