mp,ex,1,2.55e10
mp,prxy,1,0.2
mp,DENS,1,2400
FC=16.7e6
FT=1.78e6
TB,CONCR,1
TBDATA,,0.5,0.95,FT,FC
!tb,biso,1,,2
!tbdata,1,16.7e6,0
TB,MISO,1,,7
TBPT,,0.00013,FC*0.2
TBPT,,0.00026,FC*0.4
TBPT,,0.000501,FC*0.6
TBPT,,0.000668,FC*0.8
TBPT,,0.0014,FC
TBPT,,0.0016,FC
TBPT,,0.0018,FC
为什么得到的应力应变曲线是这样的？
