楼上各位大神:能帮忙看下这个混凝土板的问题吗?ansys计算和手算差了近三倍了
我把命令附上
/PREP7
et,1,solid65,,,,,,,1
et,2,link8
et,3,solid45
mp,ex,1,13585e6
mp,prxy,1,0.2
fc=14.3e6
ft=1.43e6
tb,concr,1
tbdata,,0.4,0.9,ft,-1
tb,miso,1,,10
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,,0.0010,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,,0.003,fc
mp,ex,2,2.0e11
mp,prxy,2,0.3
mp,alpx,2,1.2e-5
tb,biso,2
tbdata,,3.6e8,0
pi=acos(-1)
r,1,pi*50.3e-6
mp,ex,3,2.0e11
mp,prxy,3,0.3
blc4,,,3.3/2,0.3,0.15
wpoff,,,0.02
vsbw,all
wpcsys,-1
wpoff,,0.05,,
wprota,,90,,
vsbw,all
*do,i,1,2
wpoff,,,-0.1
vsbw,all
*enddo
wpcsys,-1
elemsiz=0.05
lsel,s,loc,z,0.02
lsel,r,loc,y,0.001,0.299
lsel,u,loc,x,0
lsel,u,loc,x,3.3/2
cm,zj,line
latt,2,1,2
lesize,all,elemsiz
lmesh,all
lsel,all
VSEL,S,LOC,Z,0,0.15
cm,ban,volu
vatt,1,,1
mshkey,1
esize,elemsiz
vmesh,all
asel,s,loc,x,1.65
da,all,symm
asel,s,loc,y,0.6/2
da,all,symm
lsel,s,loc,z,0
lsel,r,loc,x,0
dl,all,,uz
allsel,all
/SOL
!*
CNVTOL,U, ,0.05,2, ,
!*
ANTYPE,0
NLGEOM,1
NSUBST,500,0,0
OUTRES,ERASE
OUTRES,ALL,ALL
AUTOTS,0
NEQIT,50
TIME,1
asel,s,loc,z,0.15
cm,press,area
p=46000
sfa,press,1,pres,p
ALLSEL,ALL
solve
电算sfa面荷载为46kn/M2能算而 手算只有16.45
这是板 长3.3m 厚0.15m 宽0.6m 钢筋为圆8
@100 HRB400 C30混凝土
再次感谢各位大神