24小时热门版块排行榜

返回列表

chinagoodnes

新虫 (小有名气)

应助: 9 (幼儿园)
金币: 793.2
散金: 100
帖子: 111
在线: 95.7小时
虫号: 1523153
注册: 2011-12-04
专业: 凝聚态物性 II ：电子结构

[求助] 【求助】关于PWSCF结构优化效率低的问题已有3人参与

各位大侠，最近刚接触PWSCF，感觉用它优化晶格结构的效率太低了，同样的收敛标准，VASP很快就能达到，而PWSCF则进度非常慢，求教如何提高PWSCF结构优化效率。以下是我的输入文件：
&CONTROL
calculation = "vc-relax" ,
restart_mode = 'from_scratch' ,
outdir='./outdir' ,
pseudo_dir = '/home/fpzheng/software/espresso/pseudo'
wfcdir='./wfcdir'
tstress = .true. ,
tprnfor = .true. ,
      nstep =  1000  ,
            etot_conv_thr = 3.0E-9  ,
            forc_conv_thr = 1.0D-5 ,
/
&SYSTEM
ibrav = 0 ,
A = 1.0 ,
                  nat  =  8 ,
                  ntyp  =  2 ,
                  ecutwfc  =  150 ,
               occupations  =  'smearing' ,
                  smearing  =  'gaussian' ,
                  degauss  =  0.008 ,
                     nspin  =  1 ,
               lda_plus_u  =  .false. ,
/
&ELECTRONS
         electron_maxstep  =  200  ,
                  conv_thr  =  1.0d-8  ,
         diagonalization = 'david' ,
/
&IONS
ion_dynamics='damp'
/
&CELL
cell_dynamics = 'damp-w' ,
press = 0.00 ,
/
CELL_PARAMETERS
5.964485017 0.000000000 0.000035109
0.000000000 3.949311876 0.000000000
-1.408863037 0.000000000  10.280780564
ATOMIC_SPECIES
Te 127.603 Te.pbe-hgh.UPF
Zr 91.224  Zr.pbe-sp-hgh.UPF
ATOMIC_POSITIONS crystal
Te    0.763708679 0.250000000 0.553759505
Te    0.236291321 0.750000000 0.446240495
Te    0.429497045 0.250000000 0.173131609
Te    0.570502925 0.750000000 0.826868391
Te    0.911357962 0.250000000 0.168101761
Te    0.088642038 0.750000000 0.831898239
Zr    0.288988739 0.250000000 0.666358450
Zr    0.711011261 0.750000000 0.333641550
K_POINTS automatic
10 16 6 1 1 1

回复此楼

» 猜你喜欢

心脉受损已经有7人回复
之前让一硕士生水了7个发明专利，现在这7个获批发明专利的维护费可从哪儿支出哈？已经有9人回复
博士申请都是内定的吗？已经有8人回复
博士读完未来一定会好吗已经有32人回复
读博已经有5人回复
投稿精细化工已经有4人回复
高职单位投计算机相关的北核或SCI四区期刊推荐，求支招！已经有4人回复
导师想让我从独立一作变成了共一第一已经有9人回复
Springer期刊投稿求助已经有4人回复

1楼2014-07-26 15:25:07

已阅回复此楼关注TA 给TA发消息送TA红花 TA的回帖

chinagoodnes

新虫 (小有名气)

应助: 9 (幼儿园)
金币: 793.2
散金: 100
帖子: 111
在线: 95.7小时
虫号: 1523153
注册: 2011-12-04
专业: 凝聚态物性 II ：电子结构

接下来是每个离子步之间的能量差，可以看出，确实每个离子步后能量降低了，但是也太慢了吧？
-286.922998
-286.922999
-286.922999
-286.922999
-286.922999
-286.922999
-286.922999
-286.923000
-286.923000
-286.923000
-286.923001
-286.923001
-286.923002
-286.923002
-286.923003
-286.923004
-286.923004
-286.923005
-286.923006
-286.923007
-286.923007
-286.923008
-286.923009
-286.923010
-286.923011
-286.923012
-286.923013
-286.923014
-286.923015
-286.923016
-286.923017
-286.923018
-286.923020
-286.923021
-286.923022
-286.923023
-286.923024
-286.923025
-286.923027
-286.923028
-286.923029
-286.923030
-286.923032
-286.923033
-286.923034
-286.923035
-286.923037
-286.923038
-286.923039
-286.923040
-286.923042
-286.923043
-286.923044
-286.923045
-286.923047
-286.923048
-286.923049
-286.923050
-286.923051
-286.923052
-286.923054
-286.923055
-286.923056
-286.923057
-286.923058
-286.923059
-286.923060
-286.923061
-286.923062
-286.923063
-286.923064
-286.923065
-286.923065
-286.923066
-286.923067
-286.923068
-286.923069
-286.923070
-286.923070
-286.923071
-286.923072
-286.923073
-286.923073
-286.923074
-286.923075
-286.923076
-286.923076
-286.923077
-286.923077
-286.923078
-286.923079
-286.923079
-286.923080
-286.923080
-286.923081
-286.923081
-286.923081
-286.923082
-286.923082
-286.923082
-286.923083
-286.923083
-286.923083
-286.923084
-286.923084
-286.923084
-286.923084
-286.923084
-286.923085
-286.923085
-286.923085
-286.923085
-286.923085
-286.923085
-286.923085
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923086
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923087
-286.923088
-286.923088
-286.923088
-286.923088
-286.923088
-286.923088
-286.923088
-286.923088
-286.923088
-286.923088
-286.923088
-286.923088
-286.923088
-286.923088
-286.923089
-286.923089
-286.923089
-286.923089
-286.923089
-286.923089
-286.923089
-286.923089
-286.923089
-286.923089
-286.923089
-286.923089
-286.923090
-286.923090
-286.923090
-286.923090
-286.923090
-286.923090
-286.923090
-286.923090
-286.923090
-286.923090
-286.923090
-286.923090
-286.923091
-286.923091
-286.923091
-286.923091
-286.923091
-286.923091
-286.923091
-286.923091
-286.923091
-286.923091
-286.923092
-286.923092
-286.923092
-286.923092
-286.923092
-286.923092
-286.923092
-286.923092
-286.923092
-286.923092
-286.923093
-286.923093
-286.923093
-286.923093
-286.923093
-286.923093
-286.923093
-286.923093
-286.923093
-286.923093
-286.923094
-286.923094
-286.923094
-286.923094
-286.923094
-286.923094
-286.923094
-286.923094
-286.923094
-286.923095
-286.923095
-286.923095
-286.923095
-286.923095
-286.923095
-286.923095
-286.923095
-286.923096
-286.923096
-286.923096
-286.923096
-286.923096
-286.923096
-286.923096
-286.923096
-286.923096
-286.923097
-286.923097
-286.923097
-286.923097
-286.923097
-286.923097
-286.923097
-286.923097
-286.923098
-286.923098
-286.923098
-286.923098
-286.923098
-286.923098
-286.923098
-286.923099
-286.923099
-286.923099
-286.923099
-286.923099
-286.923099
-286.923099
-286.923099
-286.923100
-286.923100
-286.923100
-286.923100
-286.923100
-286.923100
-286.923100
-286.923101
-286.923101
-286.923101
-286.923101
-286.923101
-286.923101
-286.923101
-286.923102
-286.923102
-286.923102
-286.923102
-286.923102
-286.923102
-286.923102
-286.923103