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200909140505

铜虫 (小有名气)

[求助] fix heat comand计算晶格热导

最近在学习用nemd计算晶格热导,运行了lammps官网上关于计算Ar晶格热导的例子,以下是log.lammps文件。
Step Temp Jx Jy Jz k11 k22 k33
       0    72.521833 2.498502e-06 -2.0047631e-07 -6.7129653e-07 0.0088667428 5.708616e-05 0.00064007888
    2000     66.11113 1.4391576e-06 1.6829237e-06 -1.4599868e-06   0.98583388    1.3459874   0.20604396
    4000    68.656729 1.5105571e-06 1.9964751e-06 -2.6599568e-06   0.24943423   0.48354981    1.6447711
    6000     65.51534 -2.6166856e-07 1.4559872e-06 7.0150247e-07   0.16570196   0.58961854    2.3785217
    8000    68.351915 -1.3303494e-06 4.3049495e-06 2.2655487e-06     0.130139   0.52400031    1.6302988
   10000    68.442156 -3.7559096e-06 -1.2824083e-06 2.6004241e-08   0.49872705    1.0163064    1.532751
(1)后六列分别表示三个方向的热流和热导率吧?
(2)另外一个输出文件内容如下,这个就不太看得懂了,求解释。
# Time-correlated data for fix JJ
# Timestep Number-of-time-windows
# Index TimeDelta Ncount c_flux[1]*c_flux[1] c_flux[2]*c_flux[2] c_flux[3]*c_flux[3]
2000 200
1 0 201 0.000485669 0.000744015 0.000526979
2 10 200 0.000454311 0.000712065 0.000493873
3 20 199 0.000387833 0.000648309 0.00041936
4 30 198 0.00033294 0.000606816 0.000353151
5 40 197 0.000302059 0.000591577 0.000320354
6 50 196 0.000277342 0.000570019 0.00031651
7 60 195 0.000243456 0.000525581 0.000324793
8 70 194 0.000203369 0.000473704 0.000328459
9 80 193 0.000170657 0.000432944 0.000315548
10 90 192 0.000151629 0.000403438 0.000286584
11 100 191 0.000139125 0.000378841 0.000257655
12 110 190 0.000125903 0.000357865 0.000244263
13 120 189 0.000113193 0.000342032 0.000247021
14 130 188 0.000106422 0.000326952 0.000257794
15 140 187 0.00010766 0.000304277 0.000267782
16 150 186 0.000112893 0.000272026 0.000268346
17 160 185 0.000116312 0.000237737 0.000254589
18 170 184 0.000116059 0.000211744 0.000230521
19 180 183 0.000113949 0.000196721 0.00020776
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200909140505

铜虫 (小有名气)

月只蓝: 扣除的金币在你的悬赏金币中,如果问题7天后无人回复或者无有意义回复,可联系版主,申请退还金币。 2014-05-30 19:15:23
为什么我还没处理,金币就被扣了,太坑了吧
2楼2014-05-21 09:05:11
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