| 4 | 1/1 | 返回列表 |
| 查看: 3487 | 回復(fù): 3 | |||
| 【懸賞金幣】回答本帖問題,作者h(yuǎn)edge80將贈(zèng)送您 50 個(gè)金幣 | |||
hedge80金蟲 (小有名氣)
|
[求助]
too many bands are not converged 已有1人參與
|
||
|
剛學(xué)qe,在做si的能帶和聲子計(jì)算時(shí)沒有任何錯(cuò)誤,但用si類似的輸入文件做ge和gaas時(shí),碰到問題了。 輸入文件如下: +++++++++++++++++++++++++++++++ &control calculation = 'vc-relax' prefix = 'gaas' outdir = './outdir' pseudo_dir = '/home/work/pseudos' etot_conv_thr = 1e-5 forc_conv_thr = 1e-4 / &system ibrav = 2 celldm(1) = 10.9 nat = 2 ntyp = 2 ecutwfc = 50 ecutrho = 600 / &electrons conv_thr = 1.0e-14 / &ions / &cell cell_dofree = 'ibrav' / atomic_species ga 69.723 ga.pbe-dn-rrkjus_psl.1.0.0.upf as 74.9216 as.pbe-n-rrkjus_psl.1.0.0.upf atomic_positions (alat) ga 0.00 0.00 0.00 0 0 0 as 0.25 0.25 0.25 0 0 0 k_points (automatic) 12 12 12 0 0 0 +++++++++++++++++++++++++++++++ &control calculation = 'scf' prefix = 'gaas' outdir = './outdir' pseudo_dir = '/home/work/pseudos' etot_conv_thr = 1e-5 forc_conv_thr = 1e-4 / &system ibrav = 2 celldm(1) = 10.8704558116 nat = 2 ntyp = 2 ecutwfc = 50 ecutrho = 600 / &electrons conv_thr = 1.0e-14 / &ions / &cell cell_dofree = 'ibrav' / atomic_species ga 69.723 ga.pbe-dn-rrkjus_psl.1.0.0.upf as 74.9216 as.pbe-n-rrkjus_psl.1.0.0.upf atomic_positions (alat) ga 0.00 0.00 0.00 as 0.25 0.25 0.25 k_points (automatic) 12 12 12 1 1 1 ++++++++++++++++++++++++++++++++ &control calculation = 'nscf' prefix = 'gaas' outdir = './outdir' pseudo_dir = '/home/work/pseudos' etot_conv_thr = 1e-5 forc_conv_thr = 1e-4 / &system ibrav = 2 celldm(1) = 10.8704558116 nat = 2 ntyp = 2 ecutwfc = 50 ecutrho = 600 nbnd = 8 occupations = "tetrahedra' / &electrons conv_thr = 1.0e-14 / &ions / &cell cell_dofree = 'ibrav' / atomic_species ga 69.723 ga.pbe-dn-rrkjus_psl.1.0.0.upf as 74.9216 as.pbe-n-rrkjus_psl.1.0.0.upf atomic_positions (alat) ga 0.00 0.00 0.00 as 0.25 0.25 0.25 k_points (automatic) 12 12 12 1 1 1 ++++++++++++++++++++++++++ 前面兩步計(jì)算好像沒有問題,但到了nscf計(jì)算,就了出現(xiàn)不收斂的問題。"too many bands are not converged" 之前做ge的計(jì)算時(shí),也出現(xiàn)一樣的問題,把贗勢(shì)從ge.pbe-dn-rrkjus_psl.1.0.0.upf改成ge.pbe-n-rrkjus_psl.1.0.0.upf就沒有問題, 計(jì)算結(jié)果也可以和教科書一致。這是什么原因呢? 盼高手給以解答。 另外,雖然使用ge.pbe-dn-rrkjus_psl.1.0.0.upf計(jì)算vc-relax時(shí)沒有出現(xiàn)問題,但迭代步數(shù)遠(yuǎn)多于使用ge.pbe-n-rrkjus_psl.1.0.0.upf。這是什么原因呢? |
金蟲 (正式寫手)

專家顧問 (著名寫手)
Ab Initio Amateur
![]() |
專家經(jīng)驗(yàn): +224 |

版主 (知名作家)
認(rèn)真做事,踏實(shí)做人

| 4 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 332材料求調(diào)劑 +3 | zjy101327 2026-03-05 | 4/200 |
|
|---|---|---|---|---|
|
[考研] 歡迎211本科同學(xué),過A區(qū)國(guó)家線,A區(qū)非偏遠(yuǎn)一本,交叉學(xué)科課題組 +11 | lisimayy 2026-03-04 | 21/1050 |
|
|
[考研] 304求調(diào)劑 +3 | 曼殊2266 2026-03-04 | 3/150 |
|
|
[考研] 302材料工程求調(diào)劑 +7 | Doleres 2026-03-01 | 8/400 |
|
|
[考研] 化學(xué) 0703求調(diào)劑 總分293 一志愿211 +9 | 土土小蟲 2026-03-03 | 11/550 |
|
|
[考研] 0856材料專碩274能調(diào)劑去哪里? +3 | 22735 2026-03-04 | 4/200 |
|
|
[考研] 22408-273求調(diào)劑-擔(dān)任3個(gè)項(xiàng)目的負(fù)責(zé)人-1篇國(guó)際期刊論文(一作)1篇核心期刊論文在投。 +3 | 沒想好取什么名 2026-03-03 | 3/150 |
|
|
[考研] 材料學(xué)碩080500復(fù)試調(diào)劑294 +3 | 四葉zjz 2026-03-04 | 3/150 |
|
|
[考研] 320材料與化工,求調(diào)劑 +6 | 鶴遨予卿 2026-03-04 | 8/400 |
|
|
[考研] 0703化學(xué) 一志愿東北大學(xué) 279分求調(diào)劑 +4 | 聶樂平 2026-03-03 | 4/200 |
|
|
[考研] 291求調(diào)劑 +4 | Afy123456 2026-03-03 | 7/350 |
|
|
[考博] 26申博 求博導(dǎo) +3 | 愛讀書的小帥 2026-02-28 | 5/250 |
|
|
[考研] 理學(xué),工學(xué),農(nóng)學(xué)調(diào)劑,少走彎路,這里歡迎您! +8 | likeihood 2026-03-02 | 11/550 |
|
|
[考研] 化工專碩348,一志愿985求調(diào)劑 +8 | 弗格個(gè) 2026-02-28 | 11/550 |
|
|
[考研] 化工京區(qū)271求調(diào)劑 +7 | 11ing 2026-03-02 | 7/350 |
|
|
[考研] 0854復(fù)試調(diào)劑 276 +5 | wmm9 2026-03-01 | 7/350 |
|
|
[考研] 322求調(diào)劑 +3 | 熊境喆 2026-03-01 | 3/150 |
|
|
[考研] 299求調(diào)劑 +3 | Y墨明棋妙Y 2026-02-28 | 5/250 |
|
|
[考研] 291分工科求調(diào)劑 +9 | science餓餓 2026-03-01 | 10/500 |
|
|
[考研] 調(diào)劑 +3 | 簡(jiǎn)木ChuFront 2026-02-28 | 3/150 |
|