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标题:
模拟液滴撞击金板,液滴不按照给定速度发展
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作者Author:
Layman
时间:
6 day ago
标题:
模拟液滴撞击金板,液滴不按照给定速度发展
各位老师,请教一下,我在gromacs中模拟液滴撞击金板时,将金板的下面几层冻结之后,给液滴初速度后,模拟中没有出现液滴撞击金板的行为(在不冻结金板下面几层时可以正常模拟),请问这是什么原因呢?
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mdp文件和top文件如下
md.mdp
define =
integrator = md
dt = 0.001 ; ps
nsteps = 100000
comm-grps = system
energygrps =
;
nstxout = 100
nstvout = 100
nstfout = 100
nstlog = 100
nstenergy = 100
nstxout-compressed = 0
compressed-x-grps = system
;
pbc = xyz
nstlist = 10
rlist = 1.2
cutoff-scheme = verlet
coulombtype = PME
rcoulomb = 1.2
vdwtype = cut-off
rvdw = 1.2
DispCorr = no
;
gen_vel = no
gen_temp = 298.15
gen_seed = -1
;
freezegrps = fix
freezedim = Y Y Y
constraints = hbonds
(fix 为设定的冻结组)
topol.top
#include "amber99sb-ildn.ff/forcefield.itp"
#include "amber99sb-ildn.ff/spce.itp"
[ moleculetype ]
; molname nrexcl
AU 1
[ atoms ]
; id at type res nr residu name at name cg nr charge mass
1 AU 1 AU AU 1 0.0 196.9665
[ system ]
Au_plate in water
[ molecules ]
AU 19200
SOL 3935
作者Author:
sobereva
时间:
5 day ago
不要设对整体消平动
作者Author:
Layman
时间:
5 day ago
sobereva 发表于 2024-11-18 10:18
不要设对整体消平动
老师,我将整体消平动打开或关闭,模拟出来的结果是相同的,和帖子中所描述的情况相同
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