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wmllr金蟲(chóng) (小有名氣)
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[求助]
求助VASP基本問(wèn)題,急! 已有2人參與
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我在用VASP算一個(gè)4x4的類石墨烯結(jié)構(gòu)表面吸附一個(gè)三原子分子的問(wèn)題,還停留在幾何優(yōu)化上,共使用8個(gè)核,但計(jì)算速度極慢,感覺(jué)和單機(jī)的速度差不多,電子很難收斂,以下是我的nohup文件和INCAR文件的設(shè)置,nohup文件第一行的warning是什么意思?基底和吸附結(jié)構(gòu)我是分別優(yōu)化之后才放在一起的,為什么還會(huì)算的這么慢呢?求大神幫助。 nohup.out文件的一部分 WARNING: Unable to read mpd.hosts or list of hosts isn't provided. MPI job will be run on the current machine only. running on 8 nodes distr: one band on 1 nodes, 8 groups vasp.5.2.2 15Apr09 complex POSCAR found : 3 types and 36 ions LDA part: xc-table for Pade appr. of Perdew POSCAR, INCAR and KPOINTS ok, starting setup WARNING: small aliasing (wrap around) errors must be expected FFT: planning ...( 1 ) reading WAVECAR entering main loop N E dE d eps ncg rms rms(c) DAV: 1 0.726763155688E+03 0.72676E+03 -0.33909E+04 2520 0.550E+02 DAV: 2 -0.531792977301E+02 -0.77994E+03 -0.74614E+03 3464 0.155E+02 DAV: 3 -0.164243744258E+03 -0.11106E+03 -0.10788E+03 2944 0.579E+01 DAV: 4 -0.170677151460E+03 -0.64334E+01 -0.63670E+01 3256 0.202E+01 DAV: 5 -0.170909689250E+03 -0.23254E+00 -0.23204E+00 3488 0.341E+00 DAV: 6 -0.170918095212E+03 -0.84060E-02 -0.84011E-02 3480 0.674E-01 0.359E+01 DAV: 7 -0.237577611800E+03 -0.66660E+02 -0.29439E+02 3240 0.729E+01 0.577E+01 DAV: 8 -0.145147607684E+03 0.92430E+02 -0.22476E+02 3128 0.517E+01 0.360E+01 DAV: 9 -0.139360699744E+03 0.57869E+01 -0.70471E+01 3456 0.101E+02 0.349E+01 DAV: 10 -0.130516999014E+03 0.88437E+01 -0.11300E+01 3312 0.873E+00 0.213E+01 DAV: 11 -0.138882301083E+03 -0.83653E+01 -0.30765E+01 3576 0.112E+01 0.213E+01 DAV: 12 -0.146196021374E+03 -0.73137E+01 -0.79004E+00 3304 0.131E+01 0.768E+00 DAV: 13 -0.150986647654E+03 -0.47906E+01 -0.50411E+00 3528 0.427E+00 0.151E+01 DAV: 14 -0.152545938915E+03 -0.15593E+01 -0.62658E-01 3312 0.192E+00 0.140E+01 DAV: 15 -0.151688868778E+03 0.85707E+00 -0.11066E+00 2968 0.226E+00 0.931E+00 DAV: 16 -0.154083519663E+03 -0.23947E+01 -0.19894E+00 3288 0.197E+00 0.575E+00 DAV: 17 -0.156653795266E+03 -0.25703E+01 -0.18565E+00 3200 0.353E+00 0.473E+00 DAV: 18 -0.159694168124E+03 -0.30404E+01 -0.19810E+00 3080 0.354E+00 0.491E+00 INCAR文件 SYMTEM = b-MnCL3 unitcell ISTART = 0 ICHARG=2 ISIF=2 ISMEAR = 0 ! Gaussian smearing SIGMA=0.2 POTIM=0.1 ISPIN = 2 ! spin polarized calculation NSW = 500 ! ionic steps EDIFF = 1.0e-04 EDIFFG = -0.03 NELM = 300 NELMDL=6 WEIMIN=0 IBRION =2 ! use the conjugate gradient algorithm ECUT= 450 PREC = Normal VOSKOWN=1 LWAVE=F LCHARG=F LREAL=Auto ALGO=38 |
木蟲(chóng) (正式寫(xiě)手)
木蟲(chóng) (正式寫(xiě)手)
金蟲(chóng) (正式寫(xiě)手)

木蟲(chóng) (正式寫(xiě)手)
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