24小时热门版块排行榜    

查看: 2562  |  回复: 12
当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖

gongjijun

木虫 (正式写手)

[交流] 【求助】castep 能量计算失败! 已有6人参与

请教各位大侠,zno 掺杂,结构优化后 计算失败,scf 到500步时出现一下信息,请大家帮我看看是什么原因,应该怎么解决:



*Warning* max. SCF cycles performed but system has not reached the groundstate.
  
Current total energy, E     =  -32978.88212556     eV
Current free energy (E-TS)  =  -32978.89935616     eV
(energies not corrected for finite basis set)

NB est. 0K energy (E-0.5TS)      =  -32978.89074086     eV

  ****************************************************************************
  Warning: electronic minimisation did not converge when finding ground state.
  ****************************************************************************
  Writing checkpoint file...

Writing model to zno_opt_3.check
Error check_elec_ground_state : electronic_minimisation of initial cell failed.
Current trace stack:
check_elec_ground_state
castep
Error check_elec_ground_state : electronic_minimisation of initial cell failed.
Current trace stack:
check_elec_ground_state
castep
Error check_elec_ground_state : electronic_minimisation of initial cell failed.
Current trace stack:
check_elec_ground_state
castep
Error check_elec_ground_state : electronic_minimisation of initial cell failed.
Current trace stack:
check_elec_ground_state
castep
Error check_elec_ground_state : electronic_minimisation of initial cell failed.
Current trace stack:
check_elec_ground_state
castep
Error check_elec_ground_state : electronic_minimisation of initial cell failed.
Current trace stack:
check_elec_ground_state
castep
Error check_elec_ground_state : electronic_minimisation of initial cell failed.
Current trace stack:
check_elec_ground_state
castep
Error check_elec_ground_state : electronic_minimisation of initial cell failed.
Current trace stack:
check_elec_ground_state
castep
MPI_CPU_AFFINITY set to RANK, setting affinity of rank 5 pid 18637 on host localhost.localdomain to cpu 5
MPI_CPU_AFFINITY set to RANK, setting affinity of rank 7 pid 18639 on host localhost.localdomain to cpu 7
MPI_CPU_AFFINITY set to RANK, setting affinity of rank 2 pid 18634 on host localhost.localdomain to cpu 2
MPI_CPU_AFFINITY set to RANK, setting affinity of rank 1 pid 18633 on host localhost.localdomain to cpu 1
MPI_CPU_AFFINITY set to RANK, setting affinity of rank 4 pid 18636 on host localhost.localdomain to cpu 4
MPI_CPU_AFFINITY set to RANK, setting affinity of rank 0 pid 18632 on host localhost.localdomain to cpu 0
MPI_CPU_AFFINITY set to RANK, setting affinity of rank 3 pid 18635 on host localhost.localdomain to cpu 3
MPI_CPU_AFFINITY set to RANK, setting affinity of rank 6 pid 18638 on host localhost.localdomain to cpu 6
MPI Application rank 0 exited before MPI_Finalize() with status 1
回复此楼

» 收录本帖的淘帖专辑推荐

计算MS等

» 猜你喜欢

» 本主题相关价值贴推荐,对您同样有帮助:

已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

shelay

木虫 (正式写手)

gongjijun(金币+5):谢谢,截至能是380ev,还有,不知和k点有没有什么关系? 2010-05-20 18:13:38
你设的平面波截止能是多大啊?我在算氧分子能量的时候遇到过这个错误,后面把截止能调大就收敛了。你可以试试!
5楼2010-05-20 17:49:03
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 13 个回答

gongjijun

木虫 (正式写手)

哪位朋友帮帮我呀!
2楼2010-05-20 13:54:01
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

aylayl08

荣誉版主 (文坛精英)

至尊天蝎

优秀版主

★ ★
gongjijun(金币+5):谢谢回复!估计很有可能是第二点。现在不知道该怎么办? 2010-05-20 16:42:32
gongjijun(金币+10):谢谢,您能帮我看看这两个图代表什么意义吗? 2010-05-20 17:01:51
zzy870720z(金币+2):谢谢指点 2010-05-20 17:17:24
SCF弄到500步?多大体系?用什么机器算的?
可能
1.MPI错误应该怀疑内存不足
2.掺杂体系模型太大或是不够合理
3.网关通信出了问题。

建议先用小体系试试有没有问题。
珍惜拥有,快乐人生!欢迎光临计算模拟区(*^__^*)。。。。。。。。。。。。。。
3楼2010-05-20 16:02:10
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

gongjijun

木虫 (正式写手)

引用回帖:
Originally posted by aylayl08 at 2010-05-20 16:02:10:
SCF弄到500步?多大体系?用什么机器算的?
可能
1.MPI错误应该怀疑内存不足
2.掺杂体系模型太大或是不够合理
3.网关通信出了问题。

建议先用小体系试试有没有问题。

机器8核16g服务器,mpi应该正确,网关似乎也没有问题。
zno 222 超净胞,掺杂fe,cu,n各一个原子,因是先试试,所以没有考虑具体的替位位置,随机置换的,所以可能是结构不合理引起的了。
有一个疑问:结构不合理的时候能否算出能量,态密度?

还有,您能不能讲讲这两个图是什么意义?我是新手,不懂啊!

[ Last edited by gongjijun on 2010-5-20 at 16:53 ]
4楼2010-05-20 16:51:40
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
普通表情 高级回复 (可上传附件)
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[公派出国] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +3 5lbyq5wrhb 2026-02-07 4/200 2026-02-08 08:47 by vs90ilomwc
[考博] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +3 5lbyq5wrhb 2026-02-07 4/200 2026-02-08 08:46 by vs90ilomwc
[论文投稿] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +3 3rkserf6qr 2026-02-07 5/250 2026-02-08 08:32 by vs90ilomwc
[硕博家园] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +3 3rkserf6qr 2026-02-07 4/200 2026-02-08 08:27 by vs90ilomwc
[硕博家园] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +5 2h7du0nuhk 2026-02-07 6/300 2026-02-08 08:26 by vs90ilomwc
[考博] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +5 2h7du0nuhk 2026-02-07 6/300 2026-02-08 08:12 by vs90ilomwc
[硕博家园] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +4 2h7du0nuhk 2026-02-07 6/300 2026-02-08 08:07 by vs90ilomwc
[考博] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +4 2h7du0nuhk 2026-02-07 7/350 2026-02-08 08:06 by vs90ilomwc
[教师之家] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +4 2h7du0nuhk 2026-02-07 7/350 2026-02-08 07:52 by vs90ilomwc
[找工作] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +4 2h7du0nuhk 2026-02-07 7/350 2026-02-08 07:46 by vs90ilomwc
[公派出国] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +4 2h7du0nuhk 2026-02-07 8/400 2026-02-08 07:32 by vs90ilomwc
[考博] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +4 2h7du0nuhk 2026-02-07 8/400 2026-02-08 07:27 by vs90ilomwc
[教师之家] 售SCI一区文章,我:8 O5 51O 54,科目齐全 +4 2h7du0nuhk 2026-02-07 8/400 2026-02-08 07:26 by vs90ilomwc
[硕博家园] 博士延得我,科研能力直往上蹿 +8 偏振片 2026-02-02 8/400 2026-02-08 06:52 by liyeqik
[教师之家] 有院领导为了换新车,用横向课题经费买了俩车 +7 瞬息宇宙 2026-02-04 7/350 2026-02-07 21:47 by tfang
[有机交流] 酰胺脱乙酰基 10+5 chibby 2026-02-03 12/600 2026-02-07 19:29 by 江东闲人
[基金申请] 同年申请2项不同项目,第1个项目里不写第2个项目的信息,可以吗 +4 hitsdu 2026-02-06 4/200 2026-02-07 13:07 by jurkat.1640
[基金申请] 有时候真觉得大城市人没有县城人甚至个体户幸福 +9 苏东坡二世 2026-02-04 10/500 2026-02-07 12:37 by 小毛球
[考博] 天津大学招2026.09的博士生,欢迎大家推荐交流(博导是本人) +4 a793625982 2026-02-05 5/250 2026-02-07 10:57 by a793625982
[教师之家] 遇见不省心的家人很难过 +18 otani 2026-02-03 22/1100 2026-02-04 11:06 by tangmnt
信息提示
请填处理意见