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cas_yeye

银虫 (小有名气)

[求助] vasp sio2体系encut不收敛

vasp计算sio2体系,encut不收敛,已经计算到1600ev了,vasp新手,请问下是我哪里的设置有问题吗?
INCAR
    #Global Parameters
    SYSTEM = encut_test
    ISTART = 0
    ICHARG = 2
    LREAL = .False.
    ENCUT = 1400
    PREC = Accurate
    LWAVE = .False.
    LCHARG= .False.
    ADDGRID= .TRUE.
    #Electronic Relaxation
    ISMEAR = 0
    SIGMA = 0.02
    NELM = 600
    NELMIN = 6
    EDIFF = -0.01
    GGA = PE
    ALGO = Accurate
    #SYMPREC= 1E-8
    #Ionic Relaxation
    IBRION = -1
    ISIF = 2
    EDIFFG = 1e-5
    POTIM = 0.5
    NSW = 1
    KSPACING = 0.15
    NELMDL = -5
    KGAMMA = .False.
    KPAR = 4
    NCORE= 3
    PSTRESS= 0.0

POSCAR:cif2pos.py
1.01
     8.49030000     0.00000000     0.00000000
     0.00000000     4.90190000     0.00000000
     0.00000000     0.00000000     5.39880000
  Si  O
  6  12
Direct
     0.76635000     0.76635000     0.33333000
     0.26635000     0.26635000     0.33333000
     0.23365000     0.76635000     0.66667000
     0.73365000     0.26635000     0.66667000
     0.50000000     0.96730000     0.00000000
     0.00000000     0.46730000     0.00000000
     0.92905000     0.65795000     0.21720000
     0.42905000     0.15795000     0.21720000
     0.70650000     0.56460000     0.55053000
     0.20650000     0.06460000     0.55053000
     0.36445000     0.77745000     0.88387000
     0.86445000     0.27745000     0.88387000
     0.07095000     0.65795000     0.78280000
     0.57095000     0.15795000     0.78280000
     0.29350000     0.56460000     0.44947000
     0.79350000     0.06460000     0.44947000
     0.63555000     0.77745000     0.11613000
     0.13555000     0.27745000     0.11613000
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cas_yeye

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2楼2022-08-22 13:24:22
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物理类

新虫 (著名写手)

3楼2022-08-22 16:21:52
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