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zhangwj908

金虫 (小有名气)

[交流] Vasp中MD参数的设置

我是刚接触VASP,想问一下在用VASP计算MD时,应该用什么参数设置模拟的总时间以及升温速率?
TIME这个参数是什么意思
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灯塔守望者

铁杆木虫 (正式写手)

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spur(金币+3,VIP+0):谢谢帮助!欢迎常来解惑!:)
EDIFF = 1E-3     ! Etotal convergence
ISPIN=2
MAGMOM =1 12*1  24*0

LREAL = Auto  ! real space projection
ALGO = VeryFast
ISMEAR = 0
SIGMA = 0.2   ! partial occupancy
#NBANDS = 384
IALOG =48     ! used in large system

IBRION = 0       ! molecular dynamics
# ISIF = 1         ! calculate external pressure
NWRITE = 1
IWAVPR = 12
RWIGS =1.2 1.3 0.62
NELMIN = 8
ISYM = 0           ! switch of symmetry
NSW =    1000         ! 200 steps
POTIM = 3          ! timestep 1 fs
SMASS =  2         ! Nose Hoover thermostat
NBLOCK = 1
KBLOCK = 1000
TEBEG =  0
#TEEND = 6000       ! temperature


升温速率你可以看看SMASS=-1, vasp说明书65页
2楼2008-10-22 09:57:37
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