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tt-0-8銀蟲 (小有名氣)
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[交流]
vasp運(yùn)算出現(xiàn)以下問題 已有6人參與
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----------------------------------------------------------------------------- | | | ADVICE TO THIS USER RUNNING 'VASP/VAMP' (HEAR YOUR MASTER'S VOICE ...): | | | | You have a (more or less) 'small supercell' and for smaller cells | | it is recommended to use the reciprocal-space projection scheme! | | The real space optimization is not efficient for small cells and it | | is also less accurate ... | | Therefore set LREAL=.FALSE. in the INCAR file | | | ----------------------------------------------------------------------------- 有的時候出現(xiàn),不知道是什么原因,但是可以正常運(yùn)算。 |
vasp編譯問題集錦 |

銀蟲 (小有名氣)
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INCAR如下: System = Ni fcc -100 surface ENCUT = 270 ISTART = 0; ICHARG = 2; GGA=91; ISMEAR = 2; SIGMA = 0.2 ISPIN = 2 MAGMOM = 5*1 IBRION = 1 NSW = 100 POTIM = 0.2 #LVTOT=.TRUE. EDIFF = 1E-5; EDIFFG = -1E-3; LWAVE=.FALSE. LCHARG=.TRUE. LREAL = Auto PREC = Accurate 我是按vasp教程Hands on Session III中的寫的,按上述說法,將LREAL = Auto改為false,還會提示POTIM 應(yīng)增加,之后我將POTIM 改為0.5.還是會有相同提示,而且三次運(yùn)算的結(jié)果跟Hands on Session III中的OUTCAR結(jié)果都不相同,但這三次運(yùn)算的結(jié)果都是收斂的,不知是什么原因引起的,應(yīng)該采用哪組數(shù)據(jù)? |

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銀蟲 (小有名氣)

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