我主要是想做TiAl 的拉伸,in文件中关于拉伸的部分是这样的: define groups
region 1 block INF 1 INF INF INF INF
group left region 1
region 2 block29 INF INF INF INF INF
group right region 2
group boundary union left right
group mobile subtract all left
# initial velocities
velocity left set 0.0 0.0 0.0
minimize 1.0e-6 1.0e-6 1000 1000
fix 1 left setforce 0.0 NULL NULL
fix 2 all npt temp 1.0 1.0 1.0 aniso 0.0 0.0 10.0 drag 1.0
thermo 1000
timestep 0.002
run 10000
unfix 2
fix3all nve
fix4all temp/rescale 100 1.0 1.0 5 1.0
fix5all deform 1000 x erate 0.002 units box
使用该命令做单晶Cu、Al都是可以的,正常的断裂
但是做TiAl就不行,感觉没有拉伸,试样就是在空间中漂,求指导
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