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wup123

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043114076

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wup123: ½ð±Ò+3, ¡ï¡ï¡ïºÜÓаïÖú 2013-01-28 11:02:00
chaizhm: ½ð±Ò+1, лл~ 2013-01-30 10:44:54
oplsͦºÃµÄ£¬ÎÒÒÔǰÓÃËüËã¹ýILs
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2Â¥2013-01-27 18:56:18
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3Â¥2013-01-27 20:44:33
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wup123

Ìú³æ (СÓÐÃûÆø)

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2Â¥: Originally posted by 043114076 at 2013-01-27 18:56:18
oplsͦºÃµÄ£¬ÎÒÒÔǰÓÃËüËã¹ýILs
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ÊÇÓÃPaudaËûÃÇ×éµÄÁ¦³¡Â𣿶þÃæ½ÇÖ»ÓÐÈý¸ö²ÎÊýv1,v2,v3¡£ÎÒÏÖÔÚÊǸտªÊ¼Ñо¿Õâ¸ö£¬Õâ¸öÎÊÌâÒѾ­À§ÁËÎҺü¸ÌìÁË£¬Ò»Ö±Ã»ÕÒ³öɶÎÊÌâÀ´¡£Ï£ÍûÄ㻨һµãµãʱ¼ä¿´¿´ÎÒµÄÊäÈëÎļþ°É¡£
LAMMPS input file

units           real
boundary        p p p

atom_style      full       #uncharged molecules, with bond, angle, dihedral, improper dihedral
bond_style      harmonic
angle_style     harmonic
dihedral_style  opls
pair_style      lj/cut/coul/long  12
pair_modify     mix geometric tail yes
kspace_style    ewald 1.0e-4

#read_restart    restart.mix.*
read_data        data.il
#read_restart restart.mix.*

#fix 1 all shake 0.0001 20 10 b 3
neighbor        2.0 bin
neigh_modify  delay 3  every 1 check yes  #delay 3

fix 2 all langevin 300.0 300.0 0.2 48279
fix 3 all nve  £¨ÎÄÏ×ÉÏ˵¿ÉÒÔÏȲ¼ÀÊÔ˶¯Ï£¬ËùÒÔÎÒÒ²ÉèÖÃÁËÁËһϣ©

timestep        0.1
dump           1 all  custom 20000 dump.atom.*.lammpstrj xu yu zu
dump           2 all custom 20000 dump.force.* id mol type element fx fy fz
dump_modify     1 flush yes
dump_modify     2 flush yes

thermo_style    custom step temp press  etotal vol lx ly lz
thermo          1000
thermo_modify   flush yes


run  1000000
ÎÒÊÇ×öµÄ£¨mmpy£©£¨tsfi)Õâ¸ö·Ö×Ó£¬¾ÍÁ½¶Ô·Ö×Ó¡£ÎÒÕæµÄ²»ÖªµÀÄÄÀïÓÐÎÊÌâ¡£¡£¡£
4Â¥2013-01-28 03:07:34
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Bessel

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wup123: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2013-01-28 11:02:36
ÒýÓûØÌû:
4Â¥: Originally posted by wup123 at 2013-01-27 21:07:34
ÊÇÓÃPaudaËûÃÇ×éµÄÁ¦³¡Â𣿶þÃæ½ÇÖ»ÓÐÈý¸ö²ÎÊýv1,v2,v3¡£ÎÒÏÖÔÚÊǸտªÊ¼Ñо¿Õâ¸ö£¬Õâ¸öÎÊÌâÒѾ­À§ÁËÎҺü¸ÌìÁË£¬Ò»Ö±Ã»ÕÒ³öɶÎÊÌâÀ´¡£Ï£ÍûÄ㻨һµãµãʱ¼ä¿´¿´ÎÒµÄÊäÈëÎļþ°É¡£
LAMMPS input file

units      ...

ÓÐÔ­×ÓmissingµÄÎÊÌ⣬¿ÉÄÜÊÇÄãµÄ³õʼ¹¹ÐÍ×öµÄ²»ºÃ£¬Ô­×ÓÏ໥×÷ÓÃÁ¦¹ý´ó¡£ÕâºÍ¾ßÌåÊÇʲôÁ¦³¡Î޹أ¬×îºÃÔÚrunÃüÁî֮ǰ¼ÓÉÏminimizeÃüÁ¿ÉÄܽâ¾öÄãµÄÎÊÌâ¡£

¾ßÌåµÄ¿´ÕâÀhttp://lammps.sandia.gov/doc/minimize.html

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fix 2 all langevin 300.0 300.0 0.2 48279
fix 3 all nve  £¨ÎÄÏ×ÉÏ˵¿ÉÒÔÏȲ¼ÀÊÔ˶¯Ï£¬ËùÒÔÎÒÒ²ÉèÖÃÁËÁËһϣ©

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5Â¥2013-01-28 04:00:23
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wup123

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ÒýÓûØÌû:
5Â¥: Originally posted by Bessel at 2013-01-28 04:00:23
ÓÐÔ­×ÓmissingµÄÎÊÌ⣬¿ÉÄÜÊÇÄãµÄ³õʼ¹¹ÐÍ×öµÄ²»ºÃ£¬Ô­×ÓÏ໥×÷ÓÃÁ¦¹ý´ó¡£ÕâºÍ¾ßÌåÊÇʲôÁ¦³¡Î޹أ¬×îºÃÔÚrunÃüÁî֮ǰ¼ÓÉÏminimizeÃüÁ¿ÉÄܽâ¾öÄãµÄÎÊÌâ¡£

¾ßÌåµÄ¿´ÕâÀhttp://lammps.sandia.gov/doc/minim ...

ллÄã¡£µ«ÊÇÎÒÊÔÁËÏ¡£½á¹û²»ºÃ¡£
     ÎÒµÄÎÊÌâºÃ¹îÒìѽ£¡ÎÒminimize£¬ºÜ¿ì£¬52²½¾ÍÊÕÁ²ÁË¡£µ«ÊÇÎÒÒÔtimestep 0.5µÄ²½³¤½Ó×ÅÅÜ£¬»¹ÊÇ»ámissing¡£ËµÃ÷Á¦ºÃ´ó¡£ÎÒdump force ºó£¬µÄȷÿ¸öÔ­×ÓÉϵÄÁ¦¶¼´ïµ½ºÃ¼¸°ÙÁË¡£Á¦ºÃ´óµÄÔ­ÒòÎÞ·ÇÓÐÁ½¸ö£¬1ÊÇÔ­×ÓÖØµþ£¬2ÊÇ¿âÂ×Á¦¡£Îҵijõʼ½á¹¹ÎÒ¿´¹ý£¬·Ö×Ó¼äÀëÁË10°£Ã××óÓÒ£¬ÇÒÎÒÒ²minimizeÁË¡£ËùÒÔÁ¦µÄÀ´Ô´Ö÷ÒªÊÇ¿âÂ×Á¦£¬µ«ÊÇÿ¸öÔ­×ÓÉϵĵçºÉ£¬ÎÒ¶¼Êdz­µÄopls-aaÁ¦³¡ÀïÃæµÄ¡£
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6Â¥2013-01-28 22:32:27
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Bessel

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ÒýÓûØÌû:
6Â¥: Originally posted by wup123 at 2013-01-28 16:32:27
ллÄã¡£µ«ÊÇÎÒÊÔÁËÏ¡£½á¹û²»ºÃ¡£
     ÎÒµÄÎÊÌâºÃ¹îÒìѽ£¡ÎÒminimize£¬ºÜ¿ì£¬52²½¾ÍÊÕÁ²ÁË¡£µ«ÊÇÎÒÒÔtimestep 0.5µÄ²½³¤½Ó×ÅÅÜ£¬»¹ÊÇ»ámissing¡£ËµÃ÷Á¦ºÃ´ó¡£ÎÒdump force ºó£¬µÄȷÿ¸öÔ­×ÓÉϵÄÁ¦¶¼´ïµ½ºÃ¼¸°ÙÁË ...

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7Â¥2013-01-29 02:58:58
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wup123

Ìú³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
7Â¥: Originally posted by Bessel at 2013-01-29 02:58:58
°ÑminimizeµÄ½á¹ûÌùÉÏÀ´¡£...

ÎÒÔÚnveϵ×ÛÏÂÅܵÄminimize¡£ÎҵIJÎÊýÊÇ
minimize 1.0e-4 1.0e-6 100 1000
min_style hftn
min_modify dmax 0.2

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minimize 1.0e-4 1.0e-6 100 1000
WARNING: Resetting reneighboring criteria during minimization (min.cpp:167)
Ewald initialization ...
  G vector = 0.227629
  vectors: actual 1d max = 2748 10 4630
Memory usage per processor = 24.4557 Mbytes
Step Temp E_pair E_mol TotEng Press
       0            0    161.97025    59.620071    221.59032   -139.69835
      52            0    139.99619    32.197295    172.19348   -13.155359
Loop time of 0.369925 on 48 procs for 52 steps with 72 atoms

Minimization stats:
  Stopping criterion = energy tolerance
  Energy initial, next-to-last, final =
         221.590316114      172.205685403      172.193484683
  Force two-norm initial, final = 334.999 8.36533
  Force max component initial, final = 89.5407 2.13135
  Final line search alpha, max atom move = 0.000551252 0.00117491
  Iterations, force evaluations = 52 255

Pair  time (%) = 0.000742118 (0.200613)
Bond  time (%) = 0.000933076 (0.252234)
Kspce time (%) = 0.182548 (49.3473)
Neigh time (%) = 0 (0)
Comm  time (%) = 0.176163 (47.6214)
Outpt time (%) = 0 (0)
Other time (%) = 0.00953816 (2.57841)

Nlocal:    1.5 ave 21 max 0 min
Histogram: 44 0 0 0 0 0 1 1 0 2
Nghost:    38.5625 ave 72 max 0 min
Histogram: 12 0 0 3 6 3 7 2 1 14
Neighs:    27.2708 ave 471 max 0 min
Histogram: 44 0 0 0 2 0 0 0 1 1

Total # of neighbors = 1309
Ave neighs/atom = 18.1806
Ave special neighs/atom = 10.2222
Neighbor list builds = 0
Dangerous builds = 0
min_style hftn
min_modify dmax 0.2

ÕæÊÇ̫ллÄãÁË¡£¡£¡£
  ½ñÌìÎÒÓÖÕâÑùÅÜÁËÅÜ£º¾ÍÊÇÔÚnvtϵ×ÛÏ£¬timestep´Ó0.1¿ªÊ¼£¬Ã¿100000²½Ôö¼Ó0.1£¬½á¹ûµ½ÁË1ºó¾¹È»Ã»ÓдíÎóÌáʾÁË£¬µ«ÊÇÿ¸öÔ­×ÓµÄÊÜÁ¦Á¦»¹ÔÚ¼¸Ê®¶à×óÓÒ¡£
8Â¥2013-01-29 09:46:56
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qphll

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wup123: ½ð±Ò+2 2013-02-15 10:52:10
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neighbor        2.0 bin
neigh_modify  delay 3  every 1 check yes  

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neighbor        0.3 bin
neigh_modify  delay 2  every 1 check yes

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Life, Love, Laugh.
9Â¥2013-02-08 13:03:14
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wup123

Ìú³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
9Â¥: Originally posted by qphll at 2013-02-08 13:03:14
ÎÊÌâ½â¾öÁËÂð£¿

ÆäʵÄã¼ÆËãµÄlogÎļþÓÐÌáʾÁËÄØ£¬ WARNING: Resetting reneighboring criteria during minimization (min.cpp:167)

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neighbor        2.0 bin
neigh_modify  delay 3  every 1 check  ...

ллÄ㣡ÎÒµÄÎÊÌâÒѾ­ÕÒ³öÀ´ÁË£¬ÊÇÒòΪÎÒ´ÖÐİÑpair_coeff¸ñʽ¸ã´íÁË¡£¡£
10Â¥2013-02-15 10:53:51
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