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春華秋實(shí)2020金蟲 (正式寫手)
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[求助]
VASP計(jì)算中total-force為什么等于零
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vasp中弛豫石墨烯,但是結(jié)果中total-force等于零,不知道是怎么回事,請高手指點(diǎn) INCAR文件如下: ISIF=2 ISMEAR=0 SIGMA=0.1 ENCUT=500 IBRION=2 NSW=300 LVTOT=.TRUE. #EDIFF=1E-5 EDIFFG=-0.05 LREAL=Auto 感覺沒什么問題,網(wǎng)上有人說是對稱性的問題,但我選的贗勢是PAW_PBE,ISYM默認(rèn)值是2,是考慮對稱性的,難道不要考慮對稱性。 |
金蟲 (正式寫手)
木蟲 (正式寫手)

金蟲 (正式寫手)
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POSITION TOTAL-FORCE (eV/Angst) ----------------------------------------------------------------------------------- 0.71014 1.23000 9.80000 0.000000 0.000000 0.000000 1.42028 0.00000 9.80000 0.000000 0.000000 0.000000 2.84056 0.00000 9.80000 0.000000 0.000000 0.000000 3.55070 -1.23000 9.80000 0.000000 0.000000 0.000000 4.97098 -1.23000 9.80000 0.000000 0.000000 0.000000 5.68112 -2.46000 9.80000 0.000000 0.000000 0.000000 7.10141 -2.46000 9.80000 0.000000 0.000000 0.000000 7.81155 -3.69000 9.80000 0.000000 0.000000 0.000000 9.23183 -3.69000 9.80000 0.000000 0.000000 0.000000 9.94197 -4.92000 9.80000 0.000000 0.000000 0.000000 0.71014 3.69000 9.80000 0.000000 0.000000 0.000000 1.42028 2.46000 9.80000 0.000000 0.000000 0.000000 2.84056 2.46000 9.80000 0.000000 0.000000 0.000000 3.55070 1.23000 9.80000 0.000000 0.000000 0.000000 4.97098 1.23000 9.80000 0.000000 0.000000 0.000000 5.68112 0.00000 9.80000 0.000000 0.000000 0.000000 7.10141 0.00000 9.80000 0.000000 0.000000 0.000000 7.81155 -1.23000 9.80000 0.000000 0.000000 0.000000 9.23183 -1.23000 9.80000 0.000000 0.000000 0.000000 9.94197 -2.46000 9.80000 0.000000 0.000000 0.000000 0.71014 6.15000 9.80000 0.000000 0.000000 0.000000 1.42028 4.92000 9.80000 0.000000 0.000000 0.000000 2.84056 4.92000 9.80000 0.000000 0.000000 0.000000 3.55070 3.69000 9.80000 0.000000 0.000000 0.000000 4.97098 3.69000 9.80000 0.000000 0.000000 0.000000 5.68112 2.46000 9.80000 0.000000 0.000000 0.000000 7.10141 2.46000 9.80000 0.000000 0.000000 0.000000 7.81155 1.23000 9.80000 0.000000 0.000000 0.000000 9.23183 1.23000 9.80000 0.000000 0.000000 0.000000 9.94197 0.00000 9.80000 0.000000 0.000000 0.000000 0.71014 8.61000 9.80000 0.000000 0.000000 0.000000 1.42028 7.38000 9.80000 0.000000 0.000000 0.000000 2.84056 7.38000 9.80000 0.000000 0.000000 0.000000 3.55070 6.15000 9.80000 0.000000 0.000000 0.000000 4.97098 6.15000 9.80000 0.000000 0.000000 0.000000 5.68112 4.92000 9.80000 0.000000 0.000000 0.000000 7.10141 4.92000 9.80000 0.000000 0.000000 0.000000 7.81155 3.69000 9.80000 0.000000 0.000000 0.000000 9.23183 3.69000 9.80000 0.000000 0.000000 0.000000 9.94197 2.46000 9.80000 0.000000 0.000000 0.000000 0.71014 11.07000 9.80000 0.000000 0.000000 0.000000 1.42028 9.84000 9.80000 0.000000 0.000000 0.000000 2.84056 9.84000 9.80000 0.000000 0.000000 0.000000 3.55070 8.61000 9.80000 0.000000 0.000000 0.000000 4.97098 8.61000 9.80000 0.000000 0.000000 0.000000 5.68112 7.38000 9.80000 0.000000 0.000000 0.000000 7.10141 7.38000 9.80000 0.000000 0.000000 0.000000 7.81155 6.15000 9.80000 0.000000 0.000000 0.000000 9.23183 6.15000 9.80000 0.000000 0.000000 0.000000 9.94197 4.92000 9.80000 0.000000 0.000000 0.000000 ----------------------------------------------------------------------------------- total drift: 0.000000 0.000000 0.000000 |
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