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Çë½Ìһϴó¼Ò Ä£Äâ¸ß·Ö×ÓÌåϵÀïÓÐÄÉÃ×sio2¡£ ÊÇÔÚmsÀィģpcffÊÆÄÜ£¬È»ºóµ¼³öÔÚlammmpsÀïË㣬class2ÊÆÄÜ¡£ ֮ǰֻËã¸ß·Ö×Ó¶¼ÊÇûÎÊÌâµÄ¡£ ¼ÓÁËsio2Ö®ºó£¬ÏÈnveûÎÊÌ⣬µ«ÊÇnptʱÔËÐÐÒ»¶Îʱ¼ä£¨¼¸Íòµ½¼¸Ê®Íò£©×ÜÊDZ¨´í£º bond atoms x x missing »òÕßout of range atoms cannot compute pppm¡£ ¿´ÁËÒ»ÏÂÒ»°ã¶¼ÊÇsio2±íÃæµÄÇâÔ×Ó¶ªÊ§ÁË¡£ ¿´¹ì¼£ÏµÍ³Ò²±È½ÏÎȶ¨Ã»ÓÐÕ¨¿ª¡£ ¸ÄС²½³¤Ö»ÄÜÑÓ³Ù±¨´íʱ¼ä¡£ ²»ÖªµÀ¿ÉÄÜÊÇʲôÔÒòÄØ ![]() Ŷ£¬MSÀィģSiO2Êǵ¼Èë×Ô´øµÄstructureµÄglassesµÄSiO2_21A_3d¡£²»ÖªµÀÊDz»ÊÇÕâÀïÓÐÎÊÌâ ÏÂÃæÊÇÎļþ£º #################################################### # Initialization variable fname index R1L4 variable tem equal 500 log ${fname}.log units real atom_style full boundary p p p #################################################### # Forcefield parameters pair_style lj/class2/coul/long 9.5 9.5 pair_modify tail yes bond_style class2 angle_style class2 dihedral_style class2 improper_style class2 kspace_style pppm 5.0e-6 neigh_modify delay 0 every 1 check yes dielectric 1.0 special_bonds lj/coul 0.0 0.0 1.0 comm_modify cutoff 20.0 #***************************ÊÔ×Å¸ÄµÄ read_data ${fname}.data #################################################### # Equilibriation step 1 - Langevin dynamics at 500K thermo_style custom step temp press ke pe vol #thermo_modify lost/bond ignore #**********************************ÊÔ×Å¸ÄµÄ thermo 100 timestep 0.5 #**********************************ÊÔ×Å¸ÄµÄ fix 1 all nve/limit 0.4 velocity all create ${tem} 1234 fix 2 all temp/rescale 1 ${tem} ${tem} 1 1.0 fix 3 all momentum 1 linear 1 1 1 angular dump dump0 all atom 1000 all0_*.atom run 10000 unfix 1 unfix 2 write_data ${fname}_end1.txt ################################################### min_style sd #***************************ÊÔ×Å¸ÄµÄ minimize 1.0e-5 1.0e-7 10000 100000 #################################################### fix 1 all npt temp ${tem} ${tem} 100 iso 0 0 1000 run 800000 unfix 1 undump dump0 write_data ${fname}_end2.txt Ò»°ãÔËÐе½ÕâÀï¾Í±¨´íÁË¡°run 800000 ¡±ÄÜÔËÐм¸Íòµ½Ê®¼¸Íò²½ |
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