SECNUM, FLST,5,2,6,ORDE,2 FITEM,5,7 FITEM,5,-8 CM,_Y,VOLU VSEL,,,,P51X CM,_Y1,VOLU CHKMSH,'VOLU' CMSEL,S,_Y VMESH,_Y1 CMDELE,_Y CMDELE,_Y1 CMDELE,_Y2

MAT,4 ！对混泥土板模型进行网格划分 REAL, ESYS,0 SECNUM, VSEL,S,,,2 ASLV,S LSLA,S

EPLOT ！显示模型材料的有限元网格 FLST,5,12,4,ORDE,10 FITEM,5,2 FITEM,5,4 FITEM,5,-7 FITEM,5,15 FITEM,5,18 FITEM,5,23 FITEM,5,26 FITEM,5,34 FITEM,5,70 FITEM,5,-71 CM,_Y,LINE LSEL,,,,P51X CM,_Y1,LINE CMSEL,,_Y

LESIZE,_Y1,2,,,,,,,1 ！设置单元长度为2 CM,_Y,VOLU VSEL,,,,2 CM,_Y1,VOLU CHKMSH,'VOLU' CMSEL,S,_Y VMESH,_Y1 CMDELE,_Y

CMDELE,_Y1 CMDELE,_Y2

EDPART,CREATE ！创建PART ALLSEL,ALL ！选择所有实体 FLST,2,18,5,ORDE,14 FITEM,2,2 FITEM,2,-5 FITEM,2,28 FITEM,2,-29 FITEM,2,32 FITEM,2,-33 FITEM,2,37 FITEM,2,-38 FITEM,2,40 FITEM,2,42 FITEM,2,45 FITEM,2,-48 FITEM,2,50 FITEM,2,-51

DA,P51X,UZ, ！对模型施加Z方向的约束 FLST,2,5,5,ORDE,5 FITEM,2,9 FITEM,2,11 FITEM,2,15 FITEM,2,19 FITEM,2,25

DA,P51X,UX, ！对靠近炸药模型一侧施加X方向的约束 EDENERGY,1,0,1,1 ！设定分析选项 EDCPU,0, EDBVIS,1.5,0.06,

TIME,100, ！设置求解时间 EDCTS,0,0.6, ！设置时间步

EDOPT,ADD,blank,LSDYNA ！设置输出类型 EDRST,0,

EDHTIME,0, ！设置时间间隔 EDDUMP,0,

ALLSEL,ALL ！选择所有元素

EDWRITE,LSDYNA,explosion_undergroud,k ！生成K文件 /EXIT ！退出ANSYS

6．K文件

*KEYWORD *TITLE

EXPLOSION_UNDERGROUND.K $ *DATABASE_FORMAT 0 $ $

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ NODE DEFINITIONS $

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ *NODE

1 6.000000000E+00 6.000000000E+00 0.000000000E+00 0 0 2 6.000000000E+00 6.000000000E+00 1.500000000E+00 0 0 3 6.000000000E+00-6.000000000E+00 0.000000000E+00 0 0 .................................................................

91366 2.480000000E+02 8.400000000E+01 1.500000000E+00 0 0 91367 2.480000000E+02 8.600000000E+01 1.500000000E+00 0 0 91368 2.480000000E+02 8.800000000E+01 1.500000000E+00 0 0 $ $

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ SECTION DEFINITIONS $

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $

*SECTION_SOLID_ALE 1,11

*SECTION_SOLID_ALE 2,11

*SECTION_SOLID_ALE 3,11

*SECTION_SOLID 4,0 $ $

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ ALE DEFINITIONS $

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $

*ALE_MULTI-MATERIAL_GROUP 1,1 2,1 3,1 $

*CONSTRAINED_LAGRANGE_IN_SOLID

1,2,0,0,0,5,3,0 0,0,0.15

*SET_PART_LIST 1 4

*SET_PART_LIST 2 2 3 $

*CONTROL_ALE

2,1,2,-1.0000000,0.0000000,0.0000000,0.0000000 0.0000000,0.0000000,0.0000000 $

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $ MATERIAL DEFINITIONS $

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ $

*MAT_HIGH_EXPLOSIVE_BURN 1,1.93,0.993,0.370,0.000E+00 *EOS_JWL

1,3.71,7.430E-02,4.15,0.950,0.300,7.000E-02,1.00 $

*INITIAL_DETONATION 1,0.00,0.00,0.00,0.00 *INITIAL_DETONATION 1,0.00,0.00,2.0,0.00 $

*MAT_SOIL_AND_FOAM

2,1.80,1.601E-04,1.328E+02,3.300E-03,1.310E-07,0.1232,0.0 0.0,0.0

0.0,0.050,0.090,0.11,0.15,0.19,0.21,0.22 0.25,0.30

0.0,3.420E-02,4.530E-02,6.760E-02,1.270E-01,2.080E-01,2.710E-01,3.920E-01 5.660E-01,1.230E+00 $

*MAT_NULL

3,0.125E-02,0.00,0.00,0.00,0.00,0.00,0.00 *EOS_GRUNEISEN

3,0.344,0.00,0.00,0.00,1.40,0.00,0.00 0.00 $

*MAT_PLASTIC_KINEMATIC

4,2.6500000,4.000E-01,0.3000000,1.000E-03,4.000E-02,0.5000000 0.0000000,0.0000000,0.8000000