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tt-0-8銀蟲 (小有名氣)
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vasp運(yùn)行出現(xiàn)的問題 已有2人參與
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運(yùn)行vasp時出現(xiàn)下述提示: WARNING: stress and forces are not correct POSCAR, INCAR and KPOINTS ok, starting setup WARNING: wrap around errors must be expected FFT: planning ... 1 reading WAVECAR ERROR: charge density could not be read from file CHGCAR for ICHARG>10 WARNING: chargedensity file is incomplete ERROR: charge density could not be read from file CHGCAR for ICHARG>10 ERROR: charge density could not be read from file CHGCAR for ICHARG>10 ERROR: charge density could not be read from file CHGCAR for ICHARG>10 和 ----------------------------------------------------------------------------- | | | 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 !!! | | | | Your FFT grids (NGX,NGY,NGZ) are not sufficient for an accurate | | calculation. | | The results might be wrong | | good settings for NGX NGY and NGZ are | | 13 13 and 95 | | Mind: This setting results in a small but reasonable wrap around error | | It is also necessary to adjust these values to the FFT routines you use| | | ----------------------------------------------------------------------------- 這是什么原因引起的呢? [ Last edited by tt-0-8 on 2011-9-17 at 12:00 ] |
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榮譽(yù)版主 (職業(yè)作家)
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當(dāng)設(shè)置ICHCARG=11或者其它大于10而當(dāng)前計算的文件夾中沒有把CHGCAR文件的時候,會出現(xiàn)如下報錯: ERROR: charge density could not be read from file CHGCAR for ICHARG>10 解決辦法: 1.如果當(dāng)前的計算的確是需要應(yīng)用已經(jīng)計算好的電荷密度的時候,那么將CHGCAR(一般式靜態(tài)計算后得到的)拷到當(dāng)前計算的文件夾中 2.如果當(dāng)前的計算不需要用已經(jīng)計算好的電荷密度,那么將ICHGCARG改為相應(yīng)的值,具體各個數(shù)值的意義見如下鏈接: http://cms.mpi.univie.ac.at/vasp/vasp/ICHARG_tag.html 已經(jīng)將這個報錯信息及解決辦法整理到如下的帖子中的第8樓 http://www.gaoyang168.com/bbs/viewthread.php?tid=3336742&pid=2218128&page=1#pid2218128 |
銀蟲 (小有名氣)

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