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ÇóÖú£¬lammpsÐÂÊÖ£¬±³¾°ÏëÒª¼ÆËãÍÈȵ¼ÂÊ£¬¹ý³ÌÊǽoÒ»¿éͼÓÈÈ£¬Ò»¿éÊÜÈÈ£¬ÇóÊÜÈÈÍÈȵ¼ÂÊ£¬²»ÖªµÀ±àд¹ý³ÌÓÐʲôÎÊÌ⣬ÔÚthermo_style custom step temp v_kÕâÒ»²½Ö®ºóÀÏÊdzöÏÖStep Temp k £¬È«²¿¼Òµ±¾Í5¸ö½ð±Ò£¬È«²¿ËÍÁË- -¾Ï¹ª ERROR: Variable formula fix array is accessed out-of-range (variable.cpp:2912) ¶øÇÒfix nve Ö®ºó¼ÆËã²½Êý³¬¹ýÊ®Íò²½ºó»áÅÜÔ×Ó£¬ÇóÖú dimension 3 boundary p f p units metal atom_style atomic neigh_modify delay 0 every 1 #convert units variable kB equal 1.3806504e-23 #[J/K] Boltzmann variable eV equal 1.602e-19 #[J] variable Am equal 1.0e-10 #[m] variable ps equal 1.0e-12 #[s] variable convert equal ${eV} /${ps}/${Am}lattice fcc 3.6149 orient x 1 0 0 orient y 0 1 0 orient z 0 0 1 region box block 0 6 -2 10 0 6 units box create_box 1 box mass 1 63.546 pair_style eam pair_coeff 1 1 Cu_u3.eam region dx block INF INF 0 3.6149 INF INF units box create_atoms 1 region dx group dx1 region dx region sm block INF INF 4.0 10 INF INF units box create_atoms 1 region sm group sm1 region sm region dxx block INF INF -1.5 0 INF INF units box create_atoms 1 region dxx group dxx1 region dxx fix walls all wall/reflect yhi 10 units box fix 30 dxx1 setforce 0.0 0.0 0.0 #some setting velocity all create 273 289956 fix a all nvt temp 273 273 0.2 timestep 0.001 thermo 1000 thermo_style custom step etotal enthalpy temp press run 10000 #compute variable v equal 216 variable T equal 313.15 variable s equal 10 variable ts equal 0.001 unfix a fix b dx1 nvt temp 313.15 313.15 0.2 fix c sm1 nve compute KE sm1 ke/atom variable TMP atom c_KE/0.0001292355 compute PE sm1 pe/atom compute Stress sm1 stress/atom virial compute flux sm1 heat/flux KE PE Stress #variable Jy equal c_flux[2]/$v fix JJ sm1 ave/correlate 10 200 2000 & c_flux[2] type auto file HEATFLUX.dat ave running variable scale equal ${convert}/${kB}/$T/$T/$v*$s*${ts} variable k equal trap(f_JJ[4])*${scale} thermo_style custom step temp v_k fix AT sm1 ave/spatial 1 400 1000 y 4.0 0.1 v_TMP file tmp.profile units box run 90000 print "$k"@smutao@oxox6085 |
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