本帖最后由 leozhao 于 2012-4-24 16:47 编辑
我做的钢管混凝土柱的滞回分析,在加载求解过程中ANSYS自动退出来,什么都没有,不知道问题出在哪?求高手帮忙看看我的命令流,我当时是运行lssolve,1,31,1时就出现这个现象,弄了一天了,还是没找出问题所在,知道童鞋指点一下,谢谢啦!
附命令流:
finish
/solu
/gst,on !打开图形求解追踪器
/nerr,0
cutcontrol,plslimit,0.3 !回退,自动减少1时间步长提高收敛性
antype,0
allsel
autots,on !采用自动时间步
nropt,full,,on !采用完全的Newton-Raphson法
eqslv,spar,,0,
lnsrch,on !线形搜索控制
outres,basic,all !控制写入数据库和结果文件的数据
nlgeom,on !计入大变形效应(几何非线形是否考虑)
pred,on !在非线性分析中打开预测器
ncnv,2 !不收敛时,结束而不退出
cnvtol,f,,0.02,2, !收敛准则,收敛标识符号f
!********加载轴压************
time,1
nsel,s,loc,z,h+30
sf,all,pres,-8.2 !轴压比n=0.3
nsel,all
lswrite,1
!********加水平荷载************
antype,0
cnvtol,f,,0.01,,2
autots,on
nlgeom,on
pred,on
lnsrch,on
outpr,basic,all
nvnv,2
outres,all,2
neqit,50
NSUBST,100,,20,1
*do,i,0,2,1
time,i*2+2
allsel
nplot
nsel,s,loc,z,h,h+30
nsel,r,loc,x,0,b
nsel,r,loc,y,l
D,ALL,Uy, p
KBC,0
lswrite,i*2+2
time,i*2+3
allsel
nplot
nsel,s,loc,z,h,h+30
nsel,r,loc,x,0,b
nsel,r,loc,y,l
D,ALL,Uy,-p
KBC,0
lswrite,i*2+3
*enddo
NSUBST,200,,40,1
*do,i,3,5,1
time,i*2+2
allsel
nsel,s,loc,z,h,h+30
nsel,r,loc,x,0,b
nsel,r,loc,y,l
d,all,uy,2*p
KBC,0
lswrite,i*2+2
time,i*2+3
allsel
nsel,s,loc,z,h,h+30
nsel,r,loc,x,0,b
nsel,r,loc,y,l
d,all,uy,-2*p
KBC,0
lswrite,i*2+3
*enddo
NSUBST,400,,60,1
*do,i,6,8,1
time,i*2+2
allsel
nsel,s,loc,z,h,h+30
nsel,r,loc,x,0,b
nsel,r,loc,y,l
d,all,uy,3*p
KBC,0
lswrite,i*2+2
time,i*2+3
allsel
nsel,s,loc,z,h,h+30
nsel,r,loc,x,0,b
nsel,r,loc,y,l
d,all,uy,-3*p
KBC,0
lswrite,i*2+3
*enddo
NSUBST,600,,80,1
*do,i,9,11,1
time,i*2+2
allsel
nsel,s,loc,z,h,h+30
nsel,r,loc,x,0,b
nsel,r,loc,y,l
d,all,uy,4*p
KBC,0
lswrite,i*2+2
time,i*2+3
allsel
nsel,s,loc,z,h,h+30
nsel,r,loc,x,0,b
nsel,r,loc,y,l
d,all,uy,-4*p
KBC,0
lswrite,i*2+3
*enddo
NSUBST,800,,100,1
*do,i,12,14,1
time,i*2+2
allsel
nsel,s,loc,z,h,h+30
nsel,r,loc,x,0,b
nsel,r,loc,y,l
d,all,uy,5*p
KBC,0
lswrite,i*2+2
time,i*2+3
allsel
nsel,s,loc,z,h,h+30
nsel,r,loc,x,0,b
nsel,r,loc,y,l
d,all,uy,-5*p
KBC,0
lswrite,i*2+3
*enddo
lssolve,1,31,1
fini
/post26
rforce,2,1000,f,y
nsol,4,1000,u,y
/axlab,x,auy(mm)
/axlab,y,F(kN)
xvar,4
plvar,2
LINES,1000
prvar,4,2
finish |