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newton3915

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

[ÇóÖú] nscf with large nbands

ÓÃabinit×öGW¼ÆË㣬ÒòΪÐèÒªºÜ¶àµÄnbands£¬ËùÒÔnscf(iscf=-2)¼ÆËãµÄʱºònbandsÈ¡ÁË2008£¬µ«ÊÇÔËÐÐʱÓöµ½ÈçÏ´íÎó
--- !ERROR
src_file: fxphas.F90
src_line: 188
mpi_rank: 3
message: |
    The eigenvector with band 634 has zero norm.
    This usually happens when the number of bands (nband) is comparable to the number of planewaves (mpw)
    Action: Check the parameters of the calculation. If nband ~ mpw, then decrease nband or, alternatively, increase ecut
...
¸ù¾ÝÌáʾµÄÐÅÏ¢£¬ÎҲ鿴ÁËÒ»ÏÂÎÒµÄmpw=10071£¬Ïà¶ÔÓÚnbands=2008²¢²»Ð¡°¡¡£ÏëÇë½ÌÒ»ÏÂÓо­ÑéµÄͬѧ£¬GW¼ÆËãÐèÒªnbandsºÜ´óµÄÇé¿öÏ£¬ÊDz»ÊÇÖ»ÄÜÔö¼ÓecutÀ´±ÜÃâÕâÖÖ´íÎó£¿ ÎÒÓõÄpawµÄØÍÊÆ£¬ÏÂÃæÊÇÎÒµÄinput
tolwfr     1.0d-12
irdden     1
iscf      -2
nband      2008
nbdbuf     8
enunit     2
ecut       15
pawecutdg  30
occopt     4
tsmear     0.02
nstep      200
nline      10
istwfk     *1
prtvol     1
kptopt     1
ngkpt      2 2 1
nshiftk    1
shiftk     0.0 0.0 0.0
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