请教高手实体为什么不下落？
请教高手，我做的模型运算后，实体被弹起，为什么不下落？finish
/clear
/filname,ww
/COM,Preferences for GUI filtering have been set to display:
/COM,Structural with LS-DYNA Explicit
/PREP7
ET,1,SOLID164
ET,2,SHELL163
et,3,combi165
R,1,5/6,3,12
R,2
R,3
MP,DENS,1,7.8e-9 !车厢
MP,EX,1,2e5
MP,NUXY,1,0.3
!TB,BISO,1,,,,
!TBDAT,1,240e6
!TBDAT,2,
EDMP,RIGI,2,6,7
MP,DENS,2,2.5e-9
MP,EX,2,0.28e5
MP,NUXY,2,0.4
TB,discrete,3,,,0 !弹簧阻尼
tbdata,1,3
k,1,-800,0,-1500
k,2,-800,0,1500
k,3,800,0,1500
k,4,800,0,-1500
a,1,2,3,4
TYPE, 2
MAT, 1
REAL, 1
esize,180
amesh,1
k,10,-600,0,-800
k,20,-600,0,800
k,30,600,0,800
k,40,600,0,-800
a,10,20,30,40
TYPE, 2
MAT, 1
REAL, 1
esize,150
amesh,2
nsel,s,loc,x,-600,600
cm,qiao,node
allsel
block,-100,100,0,205,-100,100 !s*h=200*200*205
TYPE, 1
MAT, 2
esize,50
vmesh,1
vsel,s,,,1
nslv,s,1
cm,solid,node
allsel,all
EDPART,CREATE
EDCGEN,ASTS, 2, 1,0.2,0.2,0,0,0, , , , ,0,10000000,0,0
n,980,-800,-500,-1500
n,981,800,-500,-1500
n,982,800,-500,1500
n,983,-800,-500,1500
type,3
mat,3
e,1,980
e,28,981
e,19,982
e,2,983
/view,1,1,1,1
!EDPART,CREATE
!EDCGEN,ASTS, 2, 1,0.2,0.2,0,0,0, , , , ,0,10000,0,0
allsel
nsel,s,,,980,983,1
d,all,ux
d,all,uz
d,all,roty
d,all,rotz
EDDAMP,ALL,0,63e-1
ALLSEL,ALL
*DIM,time1,ARRAY,17,1,1, , ,
*DIM,time2,ARRAY,17,1,1, , ,
*DIM,disp1,ARRAY,17,1,1, , ,
*DIM,disp2,ARRAY,17,1,1, , ,
*SET,TIME1(2,1,1) , 0.25
*SET,TIME1(3,1,1) , 0.5
*SET,TIME1(4,1,1) , 0.75
*SET,TIME1(5,1,1) , 1
*SET,TIME1(6,1,1) , 1.25
*SET,TIME1(7,1,1) , 1.5
*SET,TIME1(8,1,1) , 1.75
*SET,TIME1(9,1,1) , 2
*SET,TIME1(10,1,1) , 2.25
*SET,TIME1(11,1,1) , 2.5
*SET,TIME1(12,1,1) , 2.75
*SET,TIME1(13,1,1) , 3
*SET,TIME1(14,1,1) , 3.25
*SET,TIME1(15,1,1) , 3.5
*SET,TIME1(16,1,1) , 3.75
*SET,TIME1(17,1,1) , 4
*SET,TIME2(2,1,1) , 0.375
*SET,TIME2(3,1,1) , 0.75
*SET,TIME2(4,1,1) , 1.125
*SET,TIME2(5,1,1) , 1.5
*SET,TIME2(6,1,1) , 1.875
*SET,TIME2(7,1,1) , 2.25
*SET,TIME2(8,1,1) , 2.625
*SET,TIME2(9,1,1) , 3
*SET,TIME2(10,1,1) , 3.375
*SET,TIME2(11,1,1) , 3.75
*SET,TIME2(12,1,1) , 4.125
*SET,TIME2(13,1,1) , 4.5
*SET,TIME2(14,1,1) , 4.875
*SET,TIME2(15,1,1) , 5.25
*SET,TIME2(16,1,1) , 5.625
*SET,TIME2(17,1,1) , 6
*SET,disp1(2,1,1) , 57
*SET,disp1(3,1,1) , 106
*SET,disp1(4,1,1) , 139
*SET,disp1(5,1,1) , 150
*SET,disp1(6,1,1) , 139
*SET,disp1(7,1,1) , 106
*SET,disp1(8,1,1) , 57
*SET,disp1(9,1,1) , 0
*SET,disp1(10,1,1) , -57
*SET,disp1(11,1,1) , -106
*SET,disp1(12,1,1) , -139
*SET,disp1(13,1,1) , -150
*SET,disp1(14,1,1) , -139
*SET,disp1(15,1,1) , -106
*SET,disp1(16,1,1) , -57
*SET,disp1(17,1,1) , 0
*SET,disp2(2,1,1) , 76
*SET,disp2(3,1,1) , 140
*SET,disp2(4,1,1) , 184
*SET,disp2(5,1,1) , 200
*SET,disp2(6,1,1) , 184
*SET,disp2(7,1,1) , 140
*SET,disp2(8,1,1) , 76
*SET,disp2(9,1,1) , 0
*SET,disp2(10,1,1) , -76
*SET,disp2(11,1,1) , -140
*SET,disp2(12,1,1) , -184
*SET,disp2(13,1,1) , -200
*SET,disp2(14,1,1) , -184
*SET,disp2(15,1,1) , -140
*SET,disp2(16,1,1) , -76
*SET,disp2(17,1,1) , 0
*DIM,FORCE,ARRAY,17,1,1, , ,
*SET,FORCE(1,1,1) , -90000
*SET,FORCE(2,1,1) , -90000
*SET,FORCE(3,1,1) , -90000
*SET,FORCE(4,1,1) ,-90000
*SET,FORCE(5,1,1) ,-90000
*SET,FORCE(6,1,1) , -90000
*SET,FORCE(7,1,1) ,-90000
*SET,FORCE(8,1,1) ,-90000
*SET,FORCE(9,1,1) ,-90000
*SET,FORCE(10,1,1) ,-90000
*SET,FORCE(11,1,1) ,-90000
*SET,FORCE(12,1,1) ,-90000
*SET,FORCE(13,1,1) ,-90000
*SET,FORCE(14,1,1) , -90000
*SET,FORCE(15,1,1) ,-90000
*SET,FORCE(16,1,1) ,-90000
*SET,FORCE(17,1,1) ,-90000
nsel,s,,,980,981,
cm,load1,node
edload,add,uy,,load1,time1,disp1,0,,,,,
nsel,s,,,982,983,
cm,load2,node
edload,add,uy,,load2,time2,disp2,0,,,,,
ALLSEL,ALL
vsel,s,,,1
nslv,s,1
cm,load3,node
edload,add,rbfy,,load3,time1,FORCE,0,,,,,
ALLSEL,ALL
finish
/solu
time,10
edrst,15
edhtime,5
eddump,1
edopt,add,blank,both
solve
finish
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