24小时热门版块排行榜    

查看: 3746  |  回复: 5
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

wjf12

银虫 (小有名气)

[求助] Gromacs能量最小化问题 已有1人参与

有请高人指点!!!
我运行的是CaO8个晶胞的能量最小化,以下是运行gromacs是遇到的问题:

NOTE 1 [file CaO8.top, line 24]:
  System has non-zero total charge: 2.000000e+00
  


processing coordinates...
double-checking input for internal consistency...
renumbering atomtypes...
converting bonded parameters...
initialising group options...
processing index file...
Analysing residue names:
There are:     1      Other residues
Analysing residues not classified as Protein/DNA/RNA/Water and splitting into groups...
Making dummy/rest group for Acceleration containing 125 elements
Making dummy/rest group for Freeze containing 125 elements
Making dummy/rest group for Energy Mon. containing 125 elements
Making dummy/rest group for VCM containing 125 elements
Number of degrees of freedom in T-Coupling group System is 372.00
Making dummy/rest group for User1 containing 125 elements
Making dummy/rest group for User2 containing 125 elements
Making dummy/rest group for XTC containing 125 elements
Making dummy/rest group for Or. Res. Fit containing 125 elements
Making dummy/rest group for QMMM containing 125 elements
T-Coupling       has 1 element(s): System
Energy Mon.      has 1 element(s): rest
Acceleration     has 1 element(s): rest
Freeze           has 1 element(s): rest
User1            has 1 element(s): rest
User2            has 1 element(s): rest
VCM              has 1 element(s): rest
XTC              has 1 element(s): rest
Or. Res. Fit     has 1 element(s): rest
QMMM             has 1 element(s): rest
Checking consistency between energy and charge groups...
Calculating fourier grid dimensions for X Y Z
Using a fourier grid of 36x36x36, spacing 0.222 0.222 0.222
Estimate for the relative computational load of the PME mesh part: 0.86

NOTE 2 [file em.mdp]:
  The optimal PME mesh load for parallel simulations is below 0.5
  and for highly parallel simulations between 0.25 and 0.33,
  for higher performance, increase the cut-off and the PME grid spacing

This run will generate roughly 0 Mb of data
writing run input file...

[ Last edited by wjf12 on 2014-3-11 at 16:41 ]
回复此楼

» 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

wjf12

银虫 (小有名气)


月只蓝: 金币+1, 鼓励交流! 2014-03-12 19:09:16
引用回帖:
2楼: Originally posted by jiaoyixiong at 2014-03-11 17:03:10
你的模型系统整体的电荷不为0

一个CaO晶胞的总电荷确实是不为零的啊,首先Ca是+2价,O是-2价,一个晶胞中有14个Ca离子和13个O离子,所以总电荷是+2。
3楼2014-03-11 19:02:22
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 6 个回答

jiaoyixiong

荣誉版主 (职业作家)

【答案】应助回帖

★ ★ ★
感谢参与,应助指数 +1
月只蓝: 金币+1, 感谢指导! 2014-03-11 18:45:43
wjf12: 金币+2, 有帮助 2014-03-12 21:41:45
你的模型系统整体的电荷不为0
2楼2014-03-11 17:03:10
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

wjf12

银虫 (小有名气)

自己来顶一下,烦请高人指点。
4楼2014-03-14 20:09:44
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

cyl001

新虫 (小有名气)

我能量最小化后 显示 No molecules were defined in the system 是哪里出问题了?
5楼2014-03-16 20:14:59
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 311求调剂 +7 26研0 2026-03-15 7/350 2026-03-21 19:06 by ColorlessPI
[考研] 求调剂 +3 13341 2026-03-20 3/150 2026-03-21 18:28 by 学员8dgXkO
[考研] 求助 +5 梦里的无言 2026-03-21 6/300 2026-03-21 17:51 by 学员8dgXkO
[考研] 材料 271求调剂 +5 展信悦_ 2026-03-21 5/250 2026-03-21 17:29 by 学员8dgXkO
[考研] 298求调剂 +4 上岸6666@ 2026-03-20 4/200 2026-03-21 17:14 by 学员8dgXkO
[基金申请] 学校已经提交到NSFC,还能修改吗? 40+4 babangida 2026-03-19 9/450 2026-03-21 16:12 by babangida
[考研] 一志愿华中科技大学071000,求调剂 +3 沿岸有贝壳6 2026-03-21 3/150 2026-03-21 10:35 by 暮云清寒
[考研] 332求调剂 +3 凤凰院丁真 2026-03-20 3/150 2026-03-21 10:27 by luoyongfeng
[考研] 0856材料专硕353求调剂 +3 NIFFFfff 2026-03-20 3/150 2026-03-21 10:23 by luoyongfeng
[考研] 能源材料化学课题组招收硕士研究生8-10名 +5 脱颖而出 2026-03-16 15/750 2026-03-21 10:16 by 脱颖而出
[考研] 求调剂 +6 Mqqqqqq 2026-03-19 6/300 2026-03-21 08:04 by JourneyLucky
[考研] 310求调剂 +3 baibai1314 2026-03-16 3/150 2026-03-21 03:56 by JourneyLucky
[考研] 初始318分求调剂(有工作经验) +3 1911236844 2026-03-17 3/150 2026-03-21 02:33 by JourneyLucky
[考研] 295复试调剂 +8 简木ChuFront 2026-03-19 8/400 2026-03-20 20:44 by zhukairuo
[考研] 260求调剂 +3 朱芷琳 2026-03-20 3/150 2026-03-20 20:35 by 学员8dgXkO
[考研] 085410人工智能专硕317求调剂(0854都可以) +4 xbxudjdn 2026-03-18 4/200 2026-03-20 09:07 by 不168
[考研] 0703化学调剂 +5 pupcoco 2026-03-17 8/400 2026-03-19 13:58 by houyaoxu
[考研] 一志愿苏州大学材料工程(085601)专硕有科研经历三项国奖两个实用型专利一项省级立项 +6 大火山小火山 2026-03-16 8/400 2026-03-17 15:05 by 无懈可击111
[考研] 考研调剂 +3 淇ya_~ 2026-03-17 5/250 2026-03-17 09:25 by Winj1e
[考研] 中科院材料273求调剂 +4 yzydy 2026-03-15 4/200 2026-03-16 15:59 by Gaodh_82
信息提示
请填处理意见