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氧化石墨烯+水体系平衡模拟#模型基本设置 boundary p p p units real atom_style full #势函数参数设置 bond_style harmonic angle_style harmonic dihedral_style opls improper_style harmonic #tip4p pair_style lj/cut/tip4p/long 1 2 1 1 0.1546 12.0 kspace_style pppm/tip4p 1.0e-4 pair_modify shift yes mix arithmetic special_bonds lj/coul 0.0 0.0 0.5 angle yes dihedral yes #读取模型文件 read_data data.lammps #按分子方式进行分组 group H2O type 1 group H2O include molecule group GO type 3 group GO include molecule #系综设置 fix mynve all nve fix myber all temp/berendsen 300 300 100 #轨迹文件输出设置 dump mydmp all atom 1000 dump.lammpstrj #固定水分子键角 fix s1 H2O shake 1.0e-4 200 0 b 1 a 1 #模拟步长 timestep 1.0 thermo 1000 #启动运算 run 50000 |