温度载荷转为热应力之后

crazy_leo

我现在已经做完了,温度场,和热应力的转换.但我现在的问题是,在实际中,模型还受到了压力,所以在转为热应力的同时,还要加上压力,我小试了一下,好像不太成功,思路也比较不清晰,有哪位知道,麻烦告诉小弟一声,谢谢!
下面是转为热应力的命令流,其中读取了1----30s   30s-----197.25s   197.25s--------373.76s的温度载荷,读完之后,我又加了压力载荷(好像有问题,time 373.76那行开始往下),我隔10s加了50mpa的压



!热应力
/prep7
ALLSEL
lsclear,all
mp,ex,1,220e9
mp,alpx,1,1.3e-6
mp,prxy,1,0.28
etchg,tts
finish
/solu
antype,trans
TREF,20  
*do,j,1,60
*set,m,0.5*j
time,m
ldread,temp,1,,m,,,rth
solve
*enddo
*do,j,1,335
*set,n,0.5*j+30
time,n
ldread,temp,2,,n,,,rth
solve
*enddo
time,200
*set,dt1,10
*DIM,c1,TABLE,100/dt1,,,time
*set,c1(0,1,1),0
*do,i,1,100/dt
*SET,C1(i,0,1) ,i*dt
*SET,C1(i,1,1), 50
*enddo
lsel,s,,,1,3,2
esll,s
nsll,s,1
sf,all,pres,%c1%
allsel
solve
finish