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dongdong33

新虫 (小有名气)

[求助] WARING:grid for Broyden might be to small

结构优化中出现WARING:grid for Broyden might be to small
采用了以下方法:
1) please have a look whether the grid for the Broyden mixing is lage enough
(WARNING: grid for Broyden might be to small in OUTCAR). If so, increase PREC and check if the error persists
2) in case you use a tetrahedron method for BZ integration your k-mesh should be large enough to fill the (I)BZ with tetrahedra completely

还是不能进解决问题
是什么原因导致的?
有什么解决方法?

我的是216个原子的超胞,INCAR 如下
ISTART = 0
ICHARG = 2
LWAVE = .FALSE.
LCHARG = .FALSE.
ALGO = Fast
ENCUT = 450
LREAL = A
ISMEAR = -5
NELM = 100
IBRION  = 2
NSW = 150
PREC = A
EDIFF = 5E-6
EDIFFG = -0.01
GGA = 91

KPOINTS如下
auto
0
Monkhorst-Pack
4 4 4
0 0 0
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dongdong33

新虫 (小有名气)

看过了,没什么帮助,谢谢
2楼2013-03-04 11:38:47
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dongdong33

新虫 (小有名气)

引用回帖:
2楼: Originally posted by dongdong33 at 2013-03-04 11:38:47
看过了,没什么帮助,谢谢

发错了
3楼2013-03-04 11:42:11
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