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[求助]
優(yōu)化未達(dá)到精度停止運(yùn)算 求教
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優(yōu)化過程 191 F= -.24268181E+03 E0= -.24267567E+03 d E =0.209587E+01 curvature: -0.00 expect dE=-0.550E-03 dE for cont linesearch -0.667E-07 ZBRENT: interpolating opt : 0.6463 next Energy= -243.320283 (dE= 0.146E+01) bond charge predicted N E dE d eps ncg rms rms(c) DAV: 1 -0.242681807605E+03 0.12950E-05 -0.51530E-09 472 0.269E-04 0.197E-05 DAV: 2 -0.242681807606E+03 -0.90222E-09 -0.10204E-09 472 0.109E-04 192 F= -.24268181E+03 E0= -.24267567E+03 d E =0.209587E+01 curvature: -0.00 expect dE=-0.168E-03 dE for cont linesearch -0.204E-07 ZBRENT: can not reach accuracy opt : 0.0000 next Energy= 0.000000 (dE= 0.245E+03) bond charge predicted N E dE d eps ncg rms rms(c) DAV: 1 0.988755755408E+02 0.34156E+03 -0.14992E+04 1320 0.263E+02 0.354E+01 DAV: 2 -0.277273391784E+03 -0.37615E+03 -0.42976E+03 1184 0.145E+02 0.311E+01 DAV: 3 -0.275717325861E+03 0.15561E+01 -0.29626E+02 1056 0.463E+01 0.294E+01 DAV: 4 -0.239006724011E+03 0.36711E+02 -0.19929E+02 1072 0.356E+01 0.125E+01 DAV: 5 -0.247341549299E+03 -0.83348E+01 -0.41883E+01 1256 0.161E+01 0.186E+01 DAV: 6 -0.237850525363E+03 0.94910E+01 -0.84624E+01 1040 0.224E+01 0.500E+00 DAV: 7 -0.237306000948E+03 0.54452E+00 -0.75585E+00 1056 0.803E+00 0.273E+00 DAV: 8 -0.238037667717E+03 -0.73167E+00 -0.19409E+00 1136 0.363E+00 0.546E+00 DAV: 9 -0.236734400764E+03 0.13033E+01 -0.32790E+00 1104 0.446E+00 0.155E+00 DAV: 10 -0.236636633795E+03 0.97767E-01 -0.73220E-01 1184 0.226E+00 0.488E-01 DAV: 11 -0.236653323536E+03 -0.16690E-01 -0.83619E-02 1020 0.884E-01 0.544E-01 DAV: 12 -0.236674090315E+03 -0.20767E-01 -0.24558E-02 1048 0.428E-01 0.330E-01 DAV: 13 -0.236704321346E+03 -0.30231E-01 -0.64552E-02 1020 0.612E-01 0.258E-01 DAV: 14 -0.236710736989E+03 -0.64156E-02 -0.94261E-03 1032 0.279E-01 0.936E-02 DAV: 15 -0.236717292964E+03 -0.65560E-02 -0.24406E-03 988 0.132E-01 0.548E-02 DAV: 16 -0.236720012167E+03 -0.27192E-02 -0.79092E-04 1136 0.808E-02 0.185E-02 DAV: 17 -0.236721512312E+03 -0.15001E-02 -0.37554E-04 1140 0.535E-02 0.223E-02 DAV: 18 -0.236721910262E+03 -0.39795E-03 -0.96083E-05 1112 0.327E-02 0.100E-02 DAV: 19 -0.236722252708E+03 -0.34245E-03 -0.10581E-04 1024 0.247E-02 0.920E-03 DAV: 20 -0.236722422431E+03 -0.16972E-03 -0.43854E-05 1056 0.166E-02 0.235E-03 DAV: 21 -0.236722481453E+03 -0.59022E-04 -0.19709E-05 1048 0.954E-03 0.333E-03 DAV: 22 -0.236722484636E+03 -0.31827E-05 -0.15633E-06 800 0.448E-03 0.227E-03 DAV: 23 -0.236722485505E+03 -0.86949E-06 -0.17816E-06 668 0.378E-03 193 F= -.23672249E+03 E0= -.23671956E+03 d E =0.805519E+01 curvature: 0.00 expect dE= 0.000E+00 dE for cont linesearch 0.000E+00 ZBRENT: fatal internal in brackting system-shutdown; contact gK immediately 192步的時候?qū)懙牟荒苓_(dá)到精度 對應(yīng)的系統(tǒng)能在242 193步就變成236 這突然差太多了 很奇怪 最后系統(tǒng)還自動關(guān)閉了 請問各位大俠 這是什么原因造成的呢???感謝啊 |
木蟲 (正式寫手)
| 這個在同時使用IBRION=2和EDIFFG=負(fù)數(shù)時候會出現(xiàn),建議先不要用EDIFFG=負(fù)數(shù),只用IBRION=2,然后優(yōu)化結(jié)束之后再用IBRION=1和EDIFFG=負(fù)數(shù)進(jìn)行優(yōu)化。你可以googleZBRENT: fatal internal in brackting,vasp論壇上有關(guān)于這個問題的介紹。 |
木蟲 (正式寫手)
木蟲 (正式寫手)
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