我的想法是:采用荷载步文件法
1,荷载步文件1:沿斜向型钢轴向拉力3000KN,同时竖向施加压力0KN,均为斜坡荷载。
2,荷载步文件2:沿斜向型钢轴向拉力3000KN,同时竖向施加压力200KN,均为斜坡荷载。
3,荷载步文件3:沿斜向型钢轴向拉力3000KN,同时竖向施加压力400KN,均为斜坡荷载。
4,荷载步文件4:沿斜向型钢轴向拉力3000KN,同时竖向施加压力600KN,均为斜坡荷载。
5,荷载步文件5:沿斜向型钢轴向拉力3000KN,同时竖向施加压力800KN,均为斜坡荷载。
观察竖向压力对梁受力的影响,并画出各荷载位移曲线在同一图中作比较。以下的命令流正确吗?应该怎么修改?
我算了一次,最后到第五个文件的第6子步时就退出了,怎么只提取出文件1的所有计算结果以用来画文件1的荷载位移图?
!第一个荷载步文件
vsel,s,loc,x,-200,0 !选出垫块
wplane,,0,-(h1/2-wh/2),0,l,-(h2/2-wh/2),0,0,-(h1/2-wh/2),-b/2$wpoff,-50,, !施加拉力
asel,s,loc,x,0
sfa,all,,pres,-p1$wpstyl,defa$allsel,all
time,1
lnsrch,on
pred,on
nsubst,50,10000,10
outres,all,all
autos,on
neqit,50
cnvtol,u,,0.05
kbc,0
lswrite,1
!第二个荷载步文件
p2=fc2/(50*w/(l/sqrt(((h2-h1)/2)**2+l**2)))
vsel,s,loc,x,-200,0 !选出垫块
wplane,,0,-(h1/2-wh/2),0,l,-(h2/2-wh/2),0,0,-(h1/2-wh/2),-b/2$wpoff,-50,, !施加拉力
asel,s,loc,x,0
sfa,all,,pres,-p1$wpstyl,defa$allsel,all
vsel,s,loc,x,-200,0 !选出垫块
asel,s,loc,y,-(h1/2-wh/2) !施加压力
sfa,all,,pres,p2$allsel,all
time,1
lnsrch,on
pred,on
nsubst,50,10000,10
outres,all,all
autos,on
neqit,50
cnvtol,u,,0.05
kbc,0
lswrite,2
!第三个荷载步文件
p2=fc3/(50*w/(l/sqrt(((h2-h1)/2)**2+l**2)))
vsel,s,loc,x,-200,0 !选出垫块
wplane,,0,-(h1/2-wh/2),0,l,-(h2/2-wh/2),0,0,-(h1/2-wh/2),-b/2$wpoff,-50,, !施加拉力
asel,s,loc,x,0
sfa,all,,pres,-p1$wpstyl,defa$allsel,all
vsel,s,loc,x,-200,0 !选出垫块
asel,s,loc,y,-(h1/2-wh/2) !施加压力
sfa,all,,pres,p2$allsel,all
time,1
lnsrch,on
pred,on
nsubst,50,10000,10
outres,all,all
autos,on
neqit,50
cnvtol,u,,0.05
kbc,0
lswrite,3
!第四个荷载步文件
p2=fc4/(50*w/(l/sqrt(((h2-h1)/2)**2+l**2)))
vsel,s,loc,x,-200,0 !选出垫块
wplane,,0,-(h1/2-wh/2),0,l,-(h2/2-wh/2),0,0,-(h1/2-wh/2),-b/2$wpoff,-50,, !施加拉力
asel,s,loc,x,0
sfa,all,,pres,-p1$wpstyl,defa$allsel,all
vsel,s,loc,x,-200,0 !选出垫块
asel,s,loc,y,-(h1/2-wh/2) !施加压力
sfa,all,,pres,p2$allsel,all
time,1
lnsrch,on
pred,on
nsubst,50,10000,10
outres,all,all
autos,on
neqit,50
cnvtol,u,,0.05
kbc,0
lswrite,4
!第五个荷载步文件
p2=fc5/(50*w/(l/sqrt(((h2-h1)/2)**2+l**2)))
vsel,s,loc,x,-200,0 !选出垫块
wplane,,0,-(h1/2-wh/2),0,l,-(h2/2-wh/2),0,0,-(h1/2-wh/2),-b/2$wpoff,-50,, !施加拉力
asel,s,loc,x,0
sfa,all,,pres,-p1$wpstyl,defa$allsel,all
vsel,s,loc,x,-200,0 !选出垫块
asel,s,loc,y,-(h1/2-wh/2) !施加压力
sfa,all,,pres,p2$allsel,all
time,1
lnsrch,on
pred,on
nsubst,50,10000,10
outres,all,all
autos,on
neqit,50
cnvtol,u,,0.05
kbc,0
lswrite,5
fini
!求解控制设置和求解
/solu
allsel,all !求解之前全选一下
lssolve,1,5,1 |