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我做钢管混凝土极限承载力分析,定义的混凝土材料采用melas模型如下:
/prep7
et,1,solid65
et,2,shell143
ET,3,PIPE20
!*
R,1, , , , , , ,
RMORE, , , , , , ,
!*
!*
R,2,7, , , , ,
RMORE, , ,
!*
!*
R,3,13, , , , ,
RMORE, , ,
!*
!*
R,4,10,4.99,
!*
!*
!*
R,5,6,2.99,
!*
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,1,,3E4
MPDATA,PRXY,1,,0.2
TB,MELA,1,1,8,
TBTEMP,0
TBPT,,0.0005,13.165
TBPT,,0.0010,21.37
TBPT,,0.0015,25.095
TBPT,,0.0020,26
TBPT,,0.0025,25.4496
TBPT,,0.0033,23.404
TB,CONC,1,1,9,
TBTEMP,0
TBDATA,,0.5,0.9,2.01,-1,,
TBDATA,,,,,,,
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,2,,2.1E5
MPDATA,PRXY,2,,0.3
TB,BKIN,2,1,2,1
TBTEMP,0
TBDATA,,235,,,,,
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,3,,2.1E5
MPDATA,PRXY,3,,0.3
TB,BKIN,3,1,2,1
TBTEMP,0
TBDATA,,300,,,,,
MPTEMP,,,,,,,,
MPTEMP,1,0
MPDATA,EX,4,,2E5
MPDATA,PRXY,4,,0.25
TB,BKIN,4,1,2,1
TBTEMP,0
TBDATA,,210,,,,,
求解时老出现一个警告:
*** WARNING *** SUPPRESSED MESSAGE CP= 6.625 TIME= 16:04:58
For material 1 at temperature 0, the initial slope of the stress-strain
curve based on the TB,MELAS table ( 26330 ) is less than EX ( 30000 ).
是不是应力应变曲线和混凝土弹模冲突了,那我混凝土弹模应怎么设呢? |