| 查看: 1122 | 回复: 5 | |||
[交流]
in 文件，裂纹拉不开.求助深入解读。 已有1人参与
|
|
# 3d Morse crack simulation units metal boundary p p p atom_style atomic neighbor 0.3 bin neigh_modify every 5 delay 0 check yes # create geometry lattice fcc 4.05 orient x 1 0 0 orient y 0 1 0 orient z 0 0 1 region box block 0 60 0 40 -0.25 0.25 create_box 5 box create_atoms 1 box mass 1 26.9 mass 2 26.9 mass 3 26.9 mass 4 26.9 mass 5 26.9 # Morse potentials pair_style morse 2.5 pair_coeff * * 1.0 1.0 2.5 # define groups region 1 block INF INF INF 2 INF INF group lower region 1 region 2 block INF INF 38 INF INF INF group upper region 2 group boundary union lower upper group mobile subtract all boundary region leftupper block INF 20 20 INF INF INF region leftlower block INF 20 INF 20 INF INF region bonds block INF 20 19.75 20.25 -0.25 0.25 delete_atoms region bonds group leftupper region leftupper group leftlower region leftlower set group leftupper type 3 set group leftlower type 4 set group lower type 1 set group upper type 2 neigh_modify exclude type 3 4 neigh_modify exclude type 1 2 # minimize min_style sd minimize 1.0e-12 1.0e-12 10000 10000 # initial velocities relax compute new mobile temp velocity mobile create 750.0 887723 temp new timestep 0.001 thermo 500 run 10000 velocity upper set 0.0 0.04 0.0 sum yes velocity lower set 0.0 0.0 0.0 sum yes velocity mobile ramp vy 0.0 0.04 y 2 38 sum yes # fixes fix 1 lower setforce 0.0 0.0 0.0 fix 2 upper setforce 0.0 0.0 0.0 fix 3 all nvt 750.0 750.0 0.01 fix 4 all temp/rescale 100 750.0 750.0 3 0.01 fix 5 mobile deform 1000 y erate 0.003 units box fix 6 mobile setforce 0.0 NULL 0.0 compute 1 all stress/atom compute 2 all temp compute 3 all reduce sum c_1[2] compute 4 all pe compute 5 all ke variable 2 equal c_3 variable 3 equal c_2 variable 4 equal c_4 variable 5 equal c_5 fix 7 all ave/time 1 100 1000 v_2 v_3 v_4 v_5 file a_stress.txt thermo_style custom step temp pe etotal press vol thermo 200 thermo_modify temp new dump 1 all atom 1000 dump.crack.lammpstrj min_style sd minimize 1.0e-12 1.0e-12 10000 10000 run 200000 |
回复此楼» 猜你喜欢
博士延得我，科研能力直往上蹿
已经有7人回复
-
退学或坚持读
已经有27人回复
-
面上基金申报没有其他的参与者成吗
已经有5人回复
-
有70后还继续奋斗在职场上的吗？
已经有5人回复
-
遇见不省心的家人很难过
已经有22人回复
-
多组分精馏求助
已经有6人回复
» 本主题相关价值贴推荐，对您同样有帮助:
- 求助，合金开坯表面总是出现裂纹........
已经有13人回复
- 【求助】晶面有裂纹 可以测试单晶不？
已经有3人回复
2楼2013-01-03 17:06:56
ddll_slsl
木虫 (正式写手)
- 应助: 101 (高中生)
- 金币: 2939.2
- 红花: 6
- 帖子: 670
- 在线: 255.3小时
- 虫号: 2121784
- 注册: 2012-11-12
- 专业: 动力学与控制
3楼2013-01-03 19:46:13
4楼2013-01-04 09:34:08
ddll_slsl
木虫 (正式写手)
- 应助: 101 (高中生)
- 金币: 2939.2
- 红花: 6
- 帖子: 670
- 在线: 255.3小时
- 虫号: 2121784
- 注册: 2012-11-12
- 专业: 动力学与控制
kite1755楼2013-01-04 10:02:32
6楼2013-01-04 14:49:09