Learning Forum

[cplasf1998]

When arranging a reinf264 unit in a shell181 unit using the , if the shell is not offset, the reinforcement and prestressing tendons may be positioned at any point within the shell. However, following the offset of the shell unit, the reinforcement may only be arranged in the upper center. The position of the reinforcement in the model is established as the design position plus an offset distance. Testing has revealed that this issue does not arise in beam188 units. Is there a method for placing the reinforcement in the lower center of the shell after offsetting?

the example：

finish
/clear
/prep7
et,1,shell181
mp,ex,1,3.0e4
mp,dens,1,2500e-12
mp,prxy,1,0.2
mp,ex,2,2.1e5
mp,dens,2,7850e-12
mp,prxy,2,0.3
sectype,1,shell
secdata, 50
secoff, bot
csys, 0
k,1000000, 0
k, 1000001, , , 1000
l,1000000, 1000001
cyl4, , , 1000
lsel, s, loc, z, 0
adrag, all, , , , , , 1
asel, u, loc, z, 0
cm, wt-a, area
A18=4*4*3.14/4
save
sectype,2,reinf,disc
secdata,2,A18,mesh
asel,all
asel, r, loc, z, 0
lsla, s
lesize,all,,,50
aatt,1,,1,,1
mshape, 0, 2d
mshkey, 1
amesh,all
lgen, 2, all, , , , , -5
lsel, s, loc, z,-5
l, 10, 12
l, 9, 11
lptn, all
ET,2,MESH200,2
type, 2
secnum, 2
LESIZE,ALL,,,1
lmesh, all
EREINF
ESEL,S,TYPE,,1
/TRLCY,ELEM,0.9$ESEL,ALL
/ESHAPE, 1

[cplasf1998]

lgen, 2, all, , , , , -5
lsel, s, loc, z,-5
The code provided is to -5 as an example, greater than or equal to 0 is in the upper middle, less than 0 is not generated reinf264 unit.