我做的间接法热-结构耦合的命令流。温度场分析后,转换单元,进行结构分析。读入温度为体载荷。设为瞬态分析。l两个不同的时间(1秒和3e-5秒)结果截然不同!!!恳请各位大虾运行分析一下!
/prep7
et,1,plane55,1
et,2,surf151,
keyopt,2,4,1
keyopt,2,8,3
mptemp,1,0,400,600,800,1000,2000
mpdata,kxx,1,1,18.9,28.35,34.65,34.65,29.4,3.15
mpdata,c,1,1,1839,7559,9500,10200,8433,4821.6
mpdata,enth,1,1,0,6.42e9,19.3e9,34.17e9,41.64e9,51.03e9
mpdata,hf,1,1,9.66,59.43,84.315,109.2,180.6,537.6
mpdata,dens,1,1,7550,7550,7550,7550,7550,7550
!input material property
rectng,-0.1,0.1,0,0.03
wpave,-0.01
wprota,,,90
asbw,all
wpave,0.01
asbw,all
wpave,0.016
asbw,all
wpave,-0.016
asbw,all
wpave,-0.04
asbw,all
wpave,0.04
asbw,all
wpave,0.06
asbw,all
wpave,-0.06
asbw,all
wprota,,90
wpave,-0.1,0.02
asbw,all
wpave,-0.1,0.01
asbw,all
/pnum,area,1
aglue,all
wpstyle,,,,,,,,0
!creat model
lsel,s,,,12
lsel,s,,,41
lsel,s,,,12
lsel,s,,,25
lsel,s,,,12
lsel,s,,,11
lesize,all,0.001
allsel
lsel,s,,,18
lsel,a,,,48
lsel,a,,,60
lsel,a,,,17
lsel,a,,,15
lsel,a,,,45
lsel,a,,,58
lsel,a,,,14
lesize,all,0.0015
allsel
lsel,s,,,21
lsel,a,,,51
lsel,a,,,62
lsel,a,,,20
lsel,a,,,24
lsel,a,,,54
lsel,a,,,64
lsel,a,,,23
lplot
lesize,all,0.002
allsel
lsel,s,,,30
lsel,a,,,57
lsel,a,,,66
lsel,a,,,29
lsel,a,,,27
lsel,a,,,56
lsel,a,,,65
lsel,a,,,26
lplot
lesize,all,0.004
allsel
lsel,s,,,3
lsel,a,,,31
lsel,a,,,7
lsel,a,,,1
lsel,a,,,6
lsel,a,,,36
lsel,a,,,16
lsel,a,,,5
lplot
lesize,all,0.005
allsel
lplot
lsel,s,,,32
lsel,a,,,33
lsel,a,,,52
lsel,a,,,49
lsel,a,,,42
lsel,a,,,43
lsel,a,,,46
lsel,a,,,55
lsel,a,,,38
lsel,a,,,37
lplot
lesize,all,0.001
allsel
lplot
lsel,s,,,67,76
lplot
lesize,all,0.002
allsel
lplot
lsel,s,,,2
lsel,a,,,4
lsel,a,,,61
lsel,a,,,59
lsel,a,,,19
lsel,a,,,22
lsel,a,,,28
lsel,a,,,63
lsel,a,,,13
lsel,a,,,10
lplot
lesize,all,0.003
allsel
type,1
mat,1
mshkey,1
amesh,all
!creat the model
lsel,s,loc,y,0
lsel,a,loc,y,0.03
lsel,a,loc,x,-0.1
lsel,a,loc,x,0.1
lplot
type,2
mat,1
lmesh,all
allsel
eplot
/pnum,line,off
/solu
tunif,20
tref,0
esel,s,type,,2
sfe,all,,conv,,-1,20
allsel
eplot
*DIM,hflux,TABLE,5,1,1,x, ,
HFLUX(1,0,1) = -0.016
HFLUX(1,1,1) = 800000
HFLUX(2,0,1) = -0.01
HFLUX(2,1,1) = 6500000
HFLUX(3,0,1) = 0
HFLUX(3,1,1) = 16000000
HFLUX(4,0,1) = 0.01
HFLUX(4,1,1) = 6500000
HFLUX(5,0,1) = 0.016
HFLUX(5,1,1) = 800000
lsel,s,,,18
lsel,a,,,12
lsel,a,,,15
nsll,s,1
sf,all,hflux,%hflux%
allsel
!施加热流密度
antype,trans
time,25 !焊接时间25s
autots,-1
deltim,0.1,,,1
kbc,1
TIMINT,1
TINTP,0.005, , ,1,0.5,0.2
lnsrch,1
outres,all,all
lswrite,1
time,40
SFDELE,all,HFLUX
AUTOTS,1
DELTIM,0.2,0.1,0.3,1
KBC,1
outres,all,all
lswrite,2
time,100
AUTOTS,1
DELTIM,0.5,0.1,1,1
KBC,1
outres,all,all
lswrite,3
lssolve,1,3,1
!焊接过程25s
/prep7
etchg,tts
mpdata,ex,1,1,1.72e11,1.31e11,1.1e11,0.364e11,0.15e11,0.05e11
mpdata,prxy,1,1,0.26,0.26,0.26,0.26,0.26,0.26
mpdata,alpx,1,1,0,11.2e-6,13.2e-6,15.2e-6,17.2e-6,27.2e-6
tb,bkin,1,6
tbtemp,0,1
tbdata,1,4.6e8,1.72e10
tbtemp,400,2
tbdata,1,4.07e7,1.31e10
tbtemp,600,3
tbdata,1,3.8e8,1.1e10
tbtemp,800,4
tbdata,1,0.45e8,0.364e10
tbtemp,1000,5
tbdata,1,0.36e8,0.15e10
tbtemp,2000,6
tbdata,1,0.35e8,0.05e10
/solu
LDREAD,TEMP,,,100, ,'welding','rth',' '!读入温度100s时的温度
nsel,s,loc,y,0
nsel,r,loc,x,0
d,all,uy,0
antype,trans
time,3e-5 !!!!!!!注意时间
AUTOTS,-1
DELTIM,1e-6,0.5e-6,1.5e-6,1
KBC,0
OUTRES,ALL,ALL,
LNSRCH,1
NROPT,FULL, ,OFF
solve |