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利用VASP進(jìn)行收斂性測試,循環(huán)計算中途停止問題
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本人剛剛開始接觸VASP,想測試FCC Ni的截斷能,但是提交任務(wù)后程序總是中途停止,想請各位大俠幫忙看看問題出在哪里。下面是相關(guān)的輸入文件: 1、POSCAR FCC Ni 1.0 3.5299999714 0.0000000000 0.0000000000 0.0000000000 3.5299999714 0.0000000000 0.0000000000 0.0000000000 3.5299999714 4 Direct 0.000000000 0.000000000 0.000000000 0.000000000 0.500000000 0.500000000 0.500000000 0.000000000 0.500000000 0.500000000 0.500000000 0.000000000 2、KPOINTS (由于是先測試ENCUT,所以KPOINTS設(shè)定了一個相對較大的值) Automatic 0 Monkhorst-Pack 25 25 25 0 0 0 3、POTCAR POTCAR是根據(jù)User's Guide第10章中給出的推薦值 4、INCAR 這里的INCAR文件使用PBS腳本文件代替 #PBS -l nodes=2:ppn=8 NPROC=`wc -l $PBS_NODEFILE|cut -f1 -d" "` cd $PBS_O_WORKDIR for a in 250 300 350 400 450 500 550 600 650 700 750 800 do rm -f WAVECAR cat >INCAR<<! SYSTEM = FCC Ni ISTART = 0; ICHARG = 2 ENCUT = $a PREC = Accurate ISMEAR = -5 NSW = 0; IBRION = -1 ISPIN = 2 ! echo a=$a /public/software/mpi/openmpi1.3.4-intel/bin/mpirun -mca btl openib,self -np $NPROC /public/software/vasp/vasp-openmpi-ifort E=`tail -1 OSZICAR` echo $a $E>>result done 現(xiàn)在的問題是提交任務(wù)之后程序會運(yùn)行一段時間,但是過一會就停止了,并沒有跑完所有設(shè)定的循環(huán)值,WAVECAR為0K,并給出下面的提示: a=300 running on 16 nodes distr: one band on 1 nodes, 16 groups vasp.4.6.28 25Jul05 complex POSCAR found : 1 types and 4 ions LDA part: xc-table for Pade appr. of Perdew POSCAR, INCAR and KPOINTS ok, starting setup FFT: planning ... 1 reading WAVECAR entering main loop N E dE d eps ncg rms rms(c) 16 total processes killed (some possibly by mpirun during cleanup) 另一個輸出文件給出這樣的信息 =>> PBS: job killed: walltime 3641 exceeded limit 3600 mpirun: killing job... -------------------------------------------------------------------------- mpirun noticed that process rank 0 with PID 20528 on node node13 exited on signal 0 (Unknown signal 0). -------------------------------------------------------------------------- mpirun: clean termination accomplished 我在這里糾結(jié)一天多了,連個截斷能都沒算出來,還請各位大俠幫忙找找問題啊~ |
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