急！！！求助钢筋混凝土建模

niujiniuzu

需要建一个钢筋混凝土框架模型，已经分别建立好钢筋网笼link8和实体的混凝土框架solid65,请问如何让他们协调共同作用啊？

niujiniuzu

比如，像下面这个例子之后该如何处理？
finish
/clear
/prep7
et,1,solid65,,,,,,,1   !K1=0,k7=1
et,2,link8
mp,ex,1,13585  !C30混凝土弹模
mp,prxy,1,0.2  !泊松比
fc=14.3
ft=1.43
tb,concr,1
tbdata,,0.5,0.95,ft,-1
tb,miso,1,,11
tbpt,,0.0002,fc*0.19
tbpt,,0.0004,fc*0.36
tbpt,,0.0006,fc*0.51
tbpt,,0.0008,fc*0.64
tbpt,,0.001,fc*0.75
tbpt,,0.0012,fc*0.84
tbpt,,0.0014,fc*0.91
tbpt,,0.0016,fc*0.96
tbpt,,0.0018,fc*0.99
tbpt,,0.002,fc
tbpt,,0.0033,fc*0.85
mp,ex,2,2.0e5 !钢筋
mp,prxy,2,0.3
tb,biso,2
tbdata,,300,0
pi=acos(-1)
r,1,0.25*pi*12*12
!几何模型
k,,-1500,170,170
k,,1500,170,170
l,1,2
lgen,2,1,,,,-340
lgen,2,1,2,,,,-340
l,1,3
l,3,7
l,7,5
l,5,1
lgen,30,5,8,,100,,,,,
ldele,5,8
lglue,all
block,-1500,1500,-200,200,-200,200

YPZ

让link和solid共用节点，可以看看下面的例子
FINISH
/CLEAR,START
/FILENAME,CRBEAM
/PREP7
ET,1,LINK8
ET,2,SOLID65

R,1,28.3E-6  !箍筋截面积
R,2,113.1E-6 !架立钢筋截面积
R,3,314.1E-6 ！纵筋截面积
R,4，

MP,EX,1,2.1E11       !线弹性参数
MP,PRXY,1,0.3
TB,BKIN,1,1,2,1      !钢筋塑性参数
TBDATA,,2.1E8,0.0

!定义混凝土材料
MP,EX,2,2.55E10
MP,PRXY,2,0.3
TB,KINH,2,1,8
TBTEMP,0
TBPT,,0.0001,0.936E6
TBPT,,0.0003,2.664E6
TBPT,,0.0006,4.896E6
TBPT,,0.0009,6.696E6
TBPT,,0.0012,8.064E6
TBPT,,0.0016,9.216E6
TBPT,,0.002,9.6E6
TBPT,,0.0033,9.6E10
TB,CONC,2,1,9,     !定义砼的破坏参数
TBDATA,,0.3,0.55,1.5E6,-1

！简历几何模型
BLOCK,0,3,0,0.4,0，-0.2  !建立梁的几何模型
/VIEW,1,1,2,3
/REP,FAST
LPLOT

!划分混凝土网格
VATT,2,4,2     ！设置单元属性
LSEL,S,LINE,,4,5,1
LSEL,A,LINE,,2,7,5
LESIZE,ALL,0.05
LSEL,INVE
LESIZE,ALL,0.025
LSEL,ALL
VMESH,ALL

!        建立钢筋单元
NSEL,S,LOC,X,0.125,0.175
NPLOT
/VIEW,1,1
/REPLOT
TYPE,1
MAT,1
REAL,1

!通过循环建立第一圈箍筋
*DO,I,3349,3354,1
E,I,I+1
*ENDDO
*DO,I,3355,3446,7
E,I,I+7
*ENDDO
*DO,I,3452,3447,-1
E,I+1,I
*ENDDO
*DO,I,3447,3356,-7
E,I,I-7
*ENDDO

!复制第一圈箍筋，每隔0.15m布置一圈箍筋
ESEL,S,TYPE,,1
EGEN,19,315,ALL,,,,,,,,0.15,0,0
ALLSEL,ALL

！建立纵筋单元
TYPE,1
MAT,1
REAL,3
*DO,I,3145,9130,105
E,I,I+105
*ENDDO
ESEL,S,REAL,,3
EGEN,3,-3,ALL,,,,,,,,0,0,-0.075
ALLSEL,ALL

!建立架立单元
TYPE,1
MAT,1
REAL,2
*DO,I,3237,9222,105
E,I,I+105
*        ENDDO
ESEL,S,REAL,,2
EGEN,2,6,ALL,,,,,,,,0,0,0.15
ALLSEL,ALL
ESEL,S,TYPE,,1
EPLOT
/VIEW,1,1,2,3

dongpo_007

回复 3# YPZ [img][/img]不错的例子！