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×î½üÔÚ×öÒ»¸ö·Ö×Ó¶¯Á¦Ñ§Ä£ÄâÑо¿Ë®Äý½ºÁ¦Ñ§ÐÔÄܵÄÏîÄ¿¡£PNAGA£¨´øÓÐõ£°·»ù£©¸ß¾ÛÎïÐγɷÖ×ÓÄÚ»ò·Ö×Ó¼äÇâ¼ü£¬ÊµÑé½á¹ûºÜºÃ¡£ÏÖÔÚÏë¿´¿´Ôö´ó¹¦ÄÜ»ùÍÅÃܶÈÊÇ·ñ¿ÉÒÔÌá¸ßÇ¿¶ÈµÈÐÔÄÜ£¬ÏëÓ÷Ö×Ó¶¯Á¦Ñ§Ä£ÄâÏÈËãһϡ£ ÓÃLAMMPS£¬Ö÷Á´ÉϵÄCH CH2 CH3´ÖÁ£»¯£¬Ë®·Ö×ÓÓÃSPCÄ£ÐÍ£¬ Çâ¼ü×÷ÓÃÓÃLAMMPSÀïÃæpair_style hbond Ìåϵ´óС³¢ÊÔÁ˺ܶ࣬×îºóÈ·¶¨PD=64£¬12ÌõÁ´£¬Ë®·Ö×Ó5000¡£ ÏÈÄÜÁ¿×îС»¯minimizeÈ»ºóÔÚ300K£¬600K£¬300K·´¸´Ëɳڣ¬È»ºó300K¸½½üÀÉì µ«Êǽá¹û»ù±¾ÎÞÓ¦Á¦£¨³õÆÚÓиöºÜ¶ÌÔݵÄÇü·þ£¬È»ºó¾ÍÅ¿ÏÂÁË£©£¬¿´Í¼µÄ»°PNAGA·Ö×ÓÁ´ÍêȫûÓÐÐγɽ»ÁªÍøÂç¡£ ÎÒ¿´ÓÐЩÎÄÏ×¹ÊÒ⽫·Ö×ÓÁ´²ø½áÆðÀ´£¬²»¹ýÄÇ»¹ÊÇË®Äý½ºÃ´£¿ ÊÇÎÒÄÄÀïÉèÖÃÓÐÎÊÌâô£¿¿¼ÂÇÁËË®·Ö×ÓµÄSPCµçºÉûÓп¼ÂÇ·Ö×ÓÁ´ÉÏÑõÔ×Ӻ͵ªÔ×ӵĵçºÉ£¬¸Ð¾õÓ¦¸ÃûʲôӰÏ죬ÆðÂëÓ°Ïì²»Ó¦¸ÃÕâô´ó¡£ »¶ÓÈκÎÒâ¼ûºÍ½¨Ò飬¸ãÁ˺þÃÒ²¿´Á˺ܶàÎÄÏ×£¬Æ£ÀÍÁ˶¼£¬²»ÖªµÀÎÊÌâÔÚÄÄÀï¡£ ¶àл¶àл£¡ Ç°ÃæµÄ²ÎÊýÉèÖò¿·ÖÈçÏ£º units real boundary p p p atom_style full # atom_style molecular log log.${simname}.txt read_data ${fname} #read_data PE_nc10_cl1000.dat # Dreiding potential information neighbor 2.0 bin neigh_modify every 10 one 10000 bond_style harmonic bond_coeff * 350 1.53 bond_coeff 1 0.0 1.00 angle_style harmonic #angle_coeff 1 60 109.5 #angle_coeff 2 60 90 #angle_coeff 3 60 90 #angle_coeff 4 60 120 angle_coeff * 60 109.5 angle_coeff 1 0.0 109.5 dihedral_style multi/harmonic dihedral_coeff * 1.73 -4.49 0.776 6.99 0.0 dielectric 1.0 kspace_style pppm 1.0e-5 # pair_style style N inner_distance_cutoff outer_distance_cutoff angle_cutof pair_style hybrid/overlay lj/cut 10.5 hbond/dreiding/lj 4 3.9 11.0 90 lj/cut/coul/long 10.5 pair_coeff 4 5 hbond/dreiding/lj 2 i 9.5 3.9 4 3.9 7.0 90.0 # define the pair coefficient for all pair_coeff * * lj/cut 0.112 4.01 10.5 pair_coeff 6 * lj/cut 0.155 3.166 10.5 pair_coeff 7 7 lj/cut/coul/long 0 0 pair_coeff 6 7 lj/cut/coul/long 0 0 pair_coeff 6 6 lj/cut/coul/long 0.155 3.166 Êý¾ÝÎļþ£º LAMMPS Description 19608 atoms 14602 bonds 11510 angles 7638 dihedrals 0 impropers 7 atom types 7 bond types 11 angle types 12 dihedral types 0 280.0 xlo xhi 0 280.0 ylo yhi 0 280.0 zlo zhi Masses 1 12.0107 # õ£°·¼üÖеÄ̼Ô×Ó 2 1.00794 # õ£°·¼üÀïÃæµÄÇâ 3 14.0067 # N 4 15.9994 #O 5 14.00 #CH2 6 16.0 # Ë®ÖеÄÑõ 7 1.0 #Ë®ÀïµÄÇâ ¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£ |
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