本帖最后由 gyz0804050 于 2015-1-20 11:32 编辑
温度计算:
/PREP7
/REPLOT
ET,1,PLANE55
MP,DENS,1,2680
MP,KXX,1,3.01
MP,C,1,1051
MP,DENS,2,5018
MP,KXX,2,20.5
MP,C,2,600
LSEL,S,LENGTH,,0.001
LSEL,A,LENGTH,,0.002
LSEL,A,LENGTH,,0.0005
LSEL,A,LENGTH,,0.0015
LESIZE,ALL,0.00025
LSEL,S,LINE,,13,15,1
LSEL,A,LINE,,61,62,1
LESIZE,ALL,0.001
MAT,1
AMESH,15
MAT,2
AMESH,1,14,1
ALLSEL
FINISH
/SOLU
ANTYPE,TRANS
TIMINT,ON
TIME,10
DELTIM,0.1,0.1,0.2
AUTOTS,ON
OUTRES,,ALL
BFUNIF,TEMP,20
TREF,20
ESEL,S,MAT,,2
NSLE,S
BF,ALL,HGEN,1.0E9
ALLSEL
SOLVE
FINISH
!间接法应力计算
FINISH
/PREP7
ETCHG,TTS
KEYOPT,1,3,2
MP,EX,1,7.97E11 !定义calcite的杨氏模量
MP,ALPX,1,1.58E-5
MP,PRXY,1,0.32
MP,KXX,1,3.01
TB,DP,1
TBDATA,1,25e6,54,0
MP,EX,2,2.92E11 !定义calcite的参数
MP,ALPX,2,2.93E-5
MP,PRXY,2,0.16
MP,KXX,2,20.5
TB,DP,2
TBDATA,1,25e6,54,0
FINISH
/SOLU
TREF,20
pred,on
outres,all,all
ANTYPE,STATIC
LSEL,S,LINE,,14
NSLL,S,1
D,ALL,UX,0
LSEL,S,LINE,,15
NSLL,S,1
D,ALL,UY,0
ALLSEL
LDREAD,TEMP,,,,,,RTH
/PBF,TEMP,,1 !显示温度载荷分布
ALLSEL
SOLVE
FINISH
此模型就是求解施加温度后的岩石应力 想看到塑性区的生成
本人对热力耦合计算不太熟 dp模型也没用过
之前采用弹性模型时 可以求解出结果
但DP弹塑性模型结果后 没有应力结果 只有弹性应变还可以看 塑性应变没有
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