如何进行耦合场分析

tenan

在得到温度的分析结果后，想进行应力场的分析，如下的程序到底错在哪？
/PREP7
!ETCHG,TTS
et,1,solid45
MP,DENS,,7800
MP,NUXY,,0.3
!
MPTEMP,1,20,100,200,300,400,500
MPDATA,EX,,1,103,,,,54,
MPDATA,GXY,,1,39.6,,,,20.8,
MPDATA,ALPX,,1,16.5,17.2,17.7,18.1,18.3,18.6
MPDATA,KXX,,1,16.7,,,,,22.2
MPDATA,C,,1,502
!
MPTEMP,7,600,700,800,900,1000
MPDATA,EX,,1,41,36.5,34.5,,
MPDATA,GXY,,1,15.8,14.0,13.3,,
MPDATA,ALPX,,1,19.0,19.5,19.7,20.0,
MPDATA,KXX,,1,23.9,25.1,,,28.4
MPDATA,C,,1,,,,,809
!
FINISH
/SOLU
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!施加的位移约束
ALLSEL,ALL
CSYS,0
NSEL,S,LOC,Z,0
DSYM,SYMM,Z,0
ALLSEL,ALL
NSEL,S,LOC,Z,0.125
D,ALL,UZ,0
ALLSEL,ALL
NSEL,S,LOC,X,0.251
DSYM,SYMM,X,0
ALLSEL,ALL
CSYS,1
NSEL,S,LOC,X,0.25
D,ALL,UY,0
ALLSEL,ALL
NSEL,S,LOC,Y,0
F,ALL,FY,0
LDREAD,TEMP,,,,,,RTH