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HitYingph

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[ÇóÖú] Pair style hybridÉèÖõÄÎÊÌâ ÒÑÓÐ2È˲ÎÓë

ÎÒ¸Õ½Ó´¥·Ö×Ó¶¯Á¦Ñ§Ä£Äâ²»¾Ã£¬ÓÃlammps×ö̼ÄÉÃ׹ܳ交µÃ·ÂÕæ£¬C-C²ÉÓÃaireboÁ¦³¡£¬C-He ºÍHe-He²ÉÓÃLJ 6 12ÊÆ£¬ÔÚ½øÐгõ²½µÄÄÜÁ¿×îС»¯³ÚÔ¥Êä³öµÄVDWͼƬµÄʱºò·¢ÏÖHeÔ­×ÓÖ®¼äÓл¯Ñ§¼üµÄ´æÔÚ£¬ÎÒÔÚ»³ÒÉÊDz»ÊÇÎÒʹÓõÄPair style hybridÉèÖõÄÎÊÌ⣬°ÑËùÓеÄÔ­×Ó¶¼ÉèÖóÉÁË̼ԭ×Ó£¬µ¼Ö³öÏÖÁË»¯Ñ§¼ü´úÂëÈçÏ£º
#atom type 1 C
#atom type 2 He

pair_style hybrid airebo 3.0 lj/cut 10
pair_coeff * * airebo CH.airebo C C
pair_coeff 1 2 lj/cut 0.00165375 3.191
pair_coeff 2 2 lj/cut 0.00093800 2.633

ÎÒÔÚÕâÀﻹºÜÀ§»óµÄÊÇ£¬¹ØÓÚaireboÊÆÀï**µÄ¶¨Ò壬°´ÕÕÎÒÕâÑùµÄ¶¨Ò壬ÊDz»ÊÇËùÓеͼ±»ÉèÖóÉΪÁËaireboÊÆ£¿ÎÒ³¢ÊÔµ÷»»Ë³ÐòµÄʱºò£¬ÏñÕâÑù£º
#atom type 1 C
#atom type 2 He

pair_style hybrid airebo 3.0 lj/cut 10
pair_coeff 1 2 lj/cut 0.00165375 3.191
pair_coeff 2 2 lj/cut 0.00093800 2.633
pair_coeff * * airebo CH.airebo C C
½á¹û±¨´í£ºpair hybrid sub-style is not used

ÎÒ³¢ÊÔ½«* *Ìæ»»³É1 1µÄʱºò»¹ÊDZ¨´í¡£ÄÇôÎÒÕâÑùµÄÁ¦³¡Ð´·¨ÓÐÎÊÌâô£¿ÊDz»ÊÇÓÉÓÚÁ¦³¡ÉèÖÃÎÊÌâµ¼ÖÂHeÔ­×ÓÖ®¼äÓл¯Ñ§¼ü£¬»¹ÊÇÖ»ÊÇVDWÏÔʾµÄÎÊÌ⣿
¸½
1.VDWÏÔʾÕÕÆ¬ÒÑÉÏ´«
2.´úÂ룺
variable simname index cswnt_he
log log.${simname}.txt
units                metal
boundary s s s
lattice fcc 1.0
timestep 0.0002
atom_modify map array
atom_style        full
read_data        ${simname}.data

#atom type 1 C
#atom type 2 He

pair_style hybrid airebo 3.0 lj/cut 10
pair_coeff * * airebo CH.airebo C C
pair_coeff 1 2 lj/cut 0.00165375 3.191
pair_coeff 2 2 lj/cut 0.00093800 2.633



            
neighbor            2.0 bin
neigh_modify        delay 10

group cnt type 1
group he  type 2

compute stressatom all stress/atom NULL virial
compute displaceatom all displace/atom
compute prpertyfz all property/atom fz
variable fz equal fcm(all,z)
variable fzcnt equal fcm(cnt,z)
variable fzhe  equal fcm(he,z)


#compute peatom all pe/atom
#compute peatom    all reduce sum c_peatom  
#compute peatomcnt cnt reduce sum c_peatom
#compute peatomhe  he  reduce sum c_peatom


thermo 1000      
thermo_style custom step temp pe ke etotal evdwl ecoul emol  
dump 1 all custom 1000 ${simname}.lammpstrj id type x y z


min_style cg
minimize 1e-25 1e-25 5000 10000


fix fixnvt cnt nvt temp 0.001 0.001 10
run 50000
unfix fixnvt
fix fixnve cnt nve
run 50000
unfix fixnve
write_restart restart.endinitial

Pair style hybridÉèÖõÄÎÊÌâ
1.jpg
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Óû§×¢Ïú (ÖøÃûдÊÖ)


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4Â¥2017-07-21 13:59:03
ÒÑÔÄ   ÉêÇëÄ£ÄâEPI   »Ø¸´´ËÂ¥   ±à¼­   ²é¿´ÎÒµÄÖ÷Ò³
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lx_PICO

Ìú³æ (ÕýʽдÊÖ)

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Please try: pair_coeff * * airebo CH.airebo C NULL
2Â¥2017-07-18 08:53:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

HitYingph

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ÒýÓûØÌû:
2Â¥: Originally posted by lx_PICO at 2017-07-18 08:53:10
Please try: pair_coeff * * airebo CH.airebo C NULL

ºóÃæÎÒ³¢ÊÔ¹ýÁË£¬±¨³öµÄ´íÎóÊÇ£º incorrect args for pair coefficients
3Â¥2017-07-18 10:22:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

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