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jinyingwuxy木蟲 (小有名氣)
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[求助]
用VASP計算16層(大約3.82納米)納米銀薄膜的光學(xué)常數(shù)時,出現(xiàn)問題
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接觸VASP時間不長,望大神指導(dǎo)!【PS:計算光學(xué)常數(shù)時,需要設(shè)置那些參數(shù)?我只設(shè)置了LOPTICS】 計算用的是第一性原理分子動力學(xué),運(yùn)行時出現(xiàn)下面這樣的warning: ----------------------------------------------------------------------------- | | | W W AA RRRRR N N II N N GGGG !!! | | W W A A R R NN N II NN N G G !!! | | W W A A R R N N N II N N N G !!! | | W WW W AAAAAA RRRRR N N N II N N N G GGG ! | | WW WW A A R R N NN II N NN G G | | W W A A R R N N II N N GGGG !!! | | | | VASP found 45 degrees of freedom | | the temperature will equal 2*E(kin)/ (degrees of freedom) | | this differs from previous releases, where T was 2*E(kin)/(3 NIONS). | | The new definition is more consistent | | | ----------------------------------------------------------------------------- 下面是我的INCAR文件: SYSTEM = Ag_FILM_16_layers ISTART=0 ICHARG=2 ENCUT=550 IBRION=0 IALGO=48 NSW=1000 PREC=High LREAL=F POTIM=3 ISIF=2 NELM=90 NELMIN=2 AMIN=0.01 NBLOCK=1 KBLOCK=50 ISMEAR=-1 SIGMA=0.05 APACO=10 NPACO=200 LCHARGE=F NWRITE=0 TEBEG=300 TEEND=300 SMASS=-1 ISPIN=1 LOPTICS = .TRUE. |
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