请教：用ANSYS求横向分布（偏压法）

《ANSYS在桥梁工程中的应用》一书中提到了用铰接法求简支梁的横向分布问题，用附加刚臂实现
各片梁之间的铰接，但是没有提到刚臂的长度，而且铰接点在每片梁的轴线，这是对实际情况的一种近似，但能不能根据实际的梁片宽来确定虚拟钢臂的长度，使其铰结点恰好位于实际梁片的铰接缝处？请请

《ALGORANSYS在桥梁工程中的应用与实例一书中的命令流》
上面也提到了求简支梁的横向分布问题，命令流如下：希望可以帮到你!
fini
/clear
/filname,'横向分布系数'
/prep7

et,1,82
et,2,44
et,3,44
et,4,44

keyopt,4,8,111

mp,dens,2,2600
mp,ex,2,3.3e10
mp,prxy,2,0.1667

mp,ex,3,3e16
mp,prxy,3,0.1667

mp,ex,4,3e16   
mp,prxy,4,0.1667

r,3,1e-3,1,1,0.03,0.03

!!生成截面
rectng,,0.99,,0.6
cyl4,0.27,0.26,0.19,-180,
cyl4,0.27,0.34,0.19,180,

rectng,0.08,0.46,0.26,0.34

agen,2,2,4,1,0.45,,,100

asel,s,,,2,7,1
cm,ar,area

allsel
asba,1,ar

esize,0.1
amesh,all

secwrite,kxb,sect,,1
sectype,1,beam,mesh
secoffset,cent,,,
secread,'kxb','sect',,mesh
asel,all

aclear,all
adele,all,,,1

n,1
n,21,,,12.6
fill,1,21
n,22,0,1,0

ngen,9,100,1,22,1,1

type,2
r,2
secnum,1
mat,2

*do,i,1,20,1
*do,k,1,9,1
  e,(k-1)*100+i,(k-1)*100+i+1,(k-1)*100+22
*enddo
*enddo

esel,s,,,1,180,1
cm,t2,elem

allsel
type,4
mat,3
real,3

*do,i,1,21,1
*do,k,1,8,1
  e,(k-1)*100+i,k*100+i
*enddo
*enddo

esel,s,,,181,348,1
cm,t4,elem

*do,i,0,8,1
allsel
nsel,s,loc,z,0
nsel,r,loc,y,0
nsel,r,loc,x,i
d,all,ux,,,,,uy,uz,rotz,roty

allsel
nsel,s,loc,z,12.6
nsel,r,loc,y,0
nsel,r,loc,x,i
d,all,ux,,,,,uy,rotz,roty
*enddo

/solu
*do,i,0,8,1
time,i+1
fdele,all,all
nsel,s,loc,z,6.3
nsel,r,loc,x,i
nsel,r,loc,y,0

f,all,fy,-1
allsel
solve
*enddo
fini

/post1

esel,s,,,82,90,1

set,1
etable,z1,smisc,12

set,2
etable,z2,smisc,12

set,3
etable,z3,smisc,12

set,4
etable,z4,smisc,12

set,5
etable,z5,smisc,12

set,6
etable,z6,smisc,12

set,7
etable,z7,smisc,12

set,8
etable,z8,smisc,12

set,9
etable,z9,smisc,12

pretab,z1,z2,z3,z4,z5,z6,z7,z8,z9

[ 本帖最后由 luzhuang79 于 2007-4-19 22:25 编辑 ]