没有使用单元生死命令，为什么还用不了LSWRITE/LSSOLVE

caoyekobe

我命令流中根本没有单元生死的命令啊，但是还是提示这个“LSWRITE/LSSOLVE cannot be used with the birth-death option(EKILL/EALIVE). Use the multiple solve method instead ”。
我的命令流如下：
finish
/clear
/prep7
ET,1,SOLID185

MP,EX,1,2e11
MP,PRXY,1,0.3
MP,DENS,1,7850

MP,EX,2,86e9
MP,PRXY,2,0.35
MP,DENS,2,980


cylind,,0.01,0,1.8,0,360
block,0.006,0.025,-0.002,0.002,0,1.8
vinp,1,2
cylind,,0.01,0,1.8,0,360
vsbv,1,3

cylind,,0.01,0,1.8,0,360
block,0.006,0.025,-0.002,0.002,0,1.8
vinp,1,3

cylind,0.01,0.05,0.05,0.055,0,360
cylind,0.01,0.015,1.7,1.8,0,360

nummrg,all, , , ,low
numcmp,all
save

k,101,0,0.05,0
k,102,0,-0.05,0
k,103,0,0.05,1.8
k,104,0,-0.05,1.8
a,101,102,104,103

k,105,0.05,0,0
k,106,-0.05,0,0
k,107,0.05,0,1.8
k,108,-0.05,0,1.8
a,105,106,108,107

vsba,all,24,sepo
vsba,all,25,sepo

k,109,-0.6,0.002,1.8
k,110,-0.6,-0.002,1.8
k,111,0.6,0.002,1.8
k,112,0.6,-0.002,1.8
k,113,-0.6,0.002,0
k,114,-0.6,-0.002,0
k,115,0.6,0.002,0
k,116,0.6,-0.002,0

a,109,111,115,113
a,110,112,116,114

vsba,all,9,sepo
vsba,all,19,sepo

k,217,0.006,0.6,1.8
k,218,0.006,-0.6,1.8
k,219,0.006,0.6,0
k,220,0.006,-0.6,0
k,221,-0.006,0.6,1.8
k,222,-0.006,-0.6,1.8
k,223,-0.006,0.6,0
k,224,-0.006,-0.6,0

a,217,218,220,219
a,221,222,224,223

vsba,all,1,sepo
vsba,all,2,sepo


nummrg,all, , , ,low
numcmp,all

ALLSEL,ALL

VSEL,s,,,1
VSEL,A,,,3,6,1
VSEL,A,,,8,40,1
VATT,1,,1
ALLSEL,ALL
VSEL,S,,,2
VSEL,A,,,7
VATT,2,,1
ALLSEL,ALL


LESIZE,101,,,2,,,,,
LESIZE,82,,,2,,,,,
LESIZE,30,,,2,,,,,
LESIZE,137,,,2,,,,,
LESIZE,38,,,2,,,,,
LESIZE,77,,,2,,,,,
LESIZE,32,,,2,,,,,
LESIZE,171,,,2,,,,,

LESIZE,103,,,6,,,,,
LESIZE,94,,,6,,,,,
LESIZE,42,,,6,,,,,

LESIZE,24,,,4,,,,,
LESIZE,80,,,4,,,,,
LESIZE,22,,,4,,,,,

LESIZE,122,,,5,,,,,
LESIZE,88,,,5,,,,,
LESIZE,156,,,5,,,,,

LESIZE,267,,,4,,,,,
LESIZE,260,,,4,,,,,
LESIZE,207,,,4,,,,,
LESIZE,203,,,4,,,,,
LESIZE,56,,,360,,,,,
LESIZE,106,,,2,,,,,
LESIZE,250,,,20,,,,,

MSHKEY,1
MSHAPE,0,3D
VMESH,all

save,all
finish
/solu
antype,trans
nsel,s,loc,z,0.05
d,all,all
allsel,all

!施加重力加速度
ACEL,0,0,9.8

!集中常量
!nsel,s,loc,z,1.8
!f,17335,fz,2e3
!f,all,fz,2e3



!多荷载步计算
!定义第一个荷载步
nsel,s,loc,z,1.8
f,all,fz,2e3
time,5
kbc,0
nsubst,5
allsel,all
lswrite,1
!定义第二个荷载步
nsel,s,loc,z,1.8
f,all,fz,2e3
time,10
kbc,1
nsubst,5
allsel,all
lswrite,2
!定义第三个荷载步
nsel,s,loc,z,1.8
f,all,fz,4e3
time,15
kbc,0
nsubst,5
allsel,all
lswrite,3

outpr,all,all
lssolve,1,3,1
finish




请各位帮忙解释一下，求助啊！