ansys模拟碳纤维布加固钢筋混凝土梁问题
我最近用ansys模拟碳纤维布加固钢筋混凝土梁，不过好像有点问题，计算结束以后，梁好像没有变形呀！挠度始终是零，帮忙看看！谢谢了！!碳纤维布加固钢筋混凝土梁有限元分析
/com,structural
/prep7
!定义单元类型
et,1,link8
et,2,solid65
et,3,plane42
et,4,shell41
!定义实常数
r,1,28.3 !箍筋和受压钢筋
r,2,113.1 !受拉钢筋
r,3 !混凝土
r,4,0.12 !碳纤维布
!定义材料属性
mp,ex,1,2e5 !箍筋和受压钢筋
mp,prxy,1,0.25
tb,bkin,1,1,2,1
tbdata,,200
mp,ex,2,2e5 !受拉钢筋
mp,prxy,2,0.3
tb,bkin,2,1,2,1
tbdata,,300
mp,ex,3,30000 !混凝土
mp,prxy,3,0.2
tb,conc,3,1,9
tbdata,,0.4,1,2.04,-1
mp,ex,4,225000 !碳纤维布
mp,prxy,4,0
tb,bkin,4,1,2,1
tbdata,,4300
/pnum,node,1
/pnum,elem,1
!产生所有的节点
n,1
n,6,100
fill,1,6
ngen,9,6,1,6,1,,25
ngen,33,1000,1,54,1,,,-25
/view,1,1,1,1
nplot
!箍筋和受压钢筋单元建立
type,1
real,1
mat,1
*do,ii,8,10,1
e,ii,ii+1
*enddo
*do,ii,11,41,6
e,ii,ii+6
*enddo
*do,ii,44,46,1
e,ii,ii+1
*enddo
*do,ii,8,38,6
e,ii,ii+6
*enddo
egen,6,4000,1,18,1
!受压钢筋
*do,ii,44,19044,1000
e,ii,ii+1000
*enddo
*do,ii,47,19047,1000
e,ii,ii+1000
*enddo
!纵向受拉钢筋单元建立
type,1
real,2
mat,2
*do,ii,8,31008,1000
e,ii,ii+1000
*enddo
*do,ii,11,31011,1000
e,ii,ii+1000
*enddo
!碳纤维布单元的建立
type,4
real,4
mat,4
*do,ii,1,5,1
*do,jj,ii,31000+ii,1000
e,jj,jj+1,jj+1000
e,jj+1,jj+1000,jj+1000+1
*enddo
*enddo
/view,1,1,1,1
/pnum,elem,0
/pnum,node,0
/eshape,1
eplot
!混凝土单元的建立
k,1
k,2,100
k,3,100,200
k,4,,200
a,1,2,3,4
lsel,s,loc,y,0
lsel,a,loc,y,200
lesize,all,,,5
lsel,all
lsel,s,loc,x,0
lsel,a,loc,x,100
lesize,all,,,8
type,3
amesh,all
type,2
real,3
mat,3
extopt,esize,32
extopt,aclear,1
vext,all,,,,,-800
/pnum,mat,1
/pnum,node,0
/pnum,elem,0
/view,1,1,1,1
eplot
allsel
nummrg,all
numcmp,all
eplot
/solu
nsel,s,loc,y,0
nsel,r,loc,z,0
d,all,uy
asel,s,loc,z,-800
da,all,symm
allsel
gplot
nsel,s,node,,1129,1129,1
nsel,a,node,,1134,1134,1
f,all,fy,-1000
nsel,s,node,,1130,1133,1
f,all,fy,-2000
allsel
nlgeom,on
nsubst,200
outres,all,all
neqit,50
pred,on
!ncnv,2
cnvtol,f,,0.02,2,0.5
solve
finish 不知道shihonglei说的是什么意思
这是我用你的命令流做出的图 你说的是坐侧的挠度为0吗? 不知我怎么运行这个程序有错呢？ 好想边界出了问题？
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