sfcu command is ignored

xugangseu

出现Missing surface load label on the sfcu command ,sfcu  command  is ignored  是什么回事？我sfelist看了一下 ，荷载是叠加的啊 ，这个提示是说我得荷载没有叠加吗？附命令：

finish
/cle
/nopr
keyw,pr_struc,1
/prep7
et,1,shell43
et,2,combin14
mp,ex,1,2.8e10
mp,nuxy,1,0.2
mp,dens,1,2500
r,1,0.3
r,2,30e6*0.2*0.2
!!
k,1
k,2,3.4
k,3,3.4,2.8
k,4,,2.8
lstr,1,2
lstr,2,3
lstr,3,4
lstr,1,4
a,1,2,3,4
VEXT,1,,,,,10
vdele,1
adele,1,2,1
!!
lsel,s,line,,9,12,1
lesize,all,0.2
lsel,s,line,,1,8,1
lesize,all,0.2
allsel,all
type,1
mat,1
real,1
amesh,all
/pnum,elem,1
!!
nsel,s,loc,y,0
ngen,2,4000,all,,,,-1
allsel,all
nplot
nummrg,all
numcmp,all
/rep
!!
/pnum,node,1
/rep
nsel,s,loc,y,0
nplot
nsel,s,loc,y,-1
nplot
ALLSEL
type,2
mat,1
real,2
*do,i,1,918,1
e,i,i+3162
*enddo
allsel
/pnum,node,0
/pnum,elem,0
/view,1,1,2,3
eplot    !!模型
save
!!


/solve   !!荷载和约束
nsel,s,loc,y,-1
d,all,all
nsel,s,loc,x,3.4
nsel,r,loc,y,0
d,all,ux,0
allsel,all
sfcum,pres,add  !!荷载累加
/psf,pres,norm,2,1
acel,0,10
asel,s,area,,4,,,1 !!左侧汽车荷载产生的土荷载  *1.4的系数
esel,r,elem,,all
sfe,all,2,pres,,13720*1.4  
!!顶部土荷载+汽车荷载  土荷载*1.2  汽车荷载*1.4
asel,s,area,,3,,,1
esel,r,elem,,all
sfe,all,2,pres,,14400*1.2+41160*1.4  
!!右侧土均部荷载   土侧压力*1.4
asel,s,area,,2,,,1
esel,r,elem,,all
sfe,all,2,pres,,4800*1.4
!!左侧土均部荷载    土侧压力*1.4
asel,s,area,,4,,,1
esel,r,elem,,all
sfe,all,2,pres,,4800*1.4
!!  梯形荷载
allsel
sfgrad,pres,0,y,0,-6642*1.4  !! 右侧土三角形荷载  土侧压力*1.4
asel,s,area,,2,,,1
esel,r,elem,,all
sfe,all,2,pres,,18600*1.4
sfgrad,pres,0,y,0,-6642*1.4  !! 左侧土三角形荷载  土侧压力*1.4
asel,s,area,,4,,,1
esel,r,elem,,all
sfe,all,2,pres,,18600*1.4
allsel
sfgrad
sfcum
/rep
!!
allsel,all   !!荷载施加结束

/pnum,elem,0
/pnum,node,0
/rep
!!  计算结果

wei1012

倒数第几行中只有一个sfcum，所以出错！！

sfgrad
sfcum
/rep
!!
allsel,all   !!荷载施加结束

/pnum,elem,0
/pnum,node,0
/rep
!!  计算结果

xugangseu

版主能否说得清楚点，我没有明白您的意思，那要怎么改呢？

luna777

说详细点，有图最好