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- 2015-7-9
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- 1970-1-1
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模型为一个长为6m,宽为1m,高为1m的简支梁,左端铰支承,右端辊轴支承,在梁的上部中间施加一个向下的速度,求解3000步,
梁底部建立两个预应力锚杆。
问题:
下面这几句命令运行时出现了问题
sel delete link range id 1
sel link id 100 1 target zone
sel delete link range id 2
sel link id 200 2 target zone
在运行的时候发现错误提示说在node 2 处已经有链接,????求各位能在百忙之中指点一下删除原来链接,建立新链接的方法,十分感谢。
所有程序如下:
new
gen zon brick p0 0 0 0 p1 6 0 0 p2 0 1 0 p3 0 0 1 size 60 10 10
mo elas
prop bulk 1e9 shear .3e9
ini dens 2400
sel cable id=1 beg 0.1 0.2 0.1 end 0.6 0.2 0.1 nseg=4
sel cable id=1 begin=(0.6,0.2,0.1) end=(6,0.2,0.1) nseg=12
sel cable id=2 beg 0.1 0.8 0.1 end 0.6 0.8 0.1 nseg=4
sel cable id=2 begin=(0.6,0.8,0.1) end=(6,0.8,0.1) nseg=12
sel cable id=1 prop xcarea =2e-3 emod =200e9 yTens =1e20 gr_per=0.134 gr_fric=25 &
gr_k =1e10 gr_coh =1e20 range cid 1,4
sel cable id=1 prop xcarea =2e-3 emod =200e9 yTens =1e20 gr_per=0.134 gr_fric=25 &
gr_k =1e10 gr_coh =1e20 range cid 5,16
sel cable id=2 prop xcarea =2e-3 emod =200e9 yTens =1e20 gr_per=0.134 gr_fric=25 &
gr_k =1e10 gr_coh =1e20 range cid 1,4
sel cable id=2 prop xcarea =2e-3 emod =200e9 yTens =1e20 gr_per=0.134 gr_fric=25 &
gr_k =1e10 gr_coh =1e20 range cid 5,16
sel delete link range id 1
sel link id 100 1 target zone
sel delete link range id 2
sel link id 200 2 target zone
sel link attach xdir=rigid ydir=rigid zdir=rigid xrdir=rigid yrdir=rigid zrdir=rigid range id 100
sel link attach xdir=rigid ydir=rigid zdir=rigid xrdir=rigid yrdir=rigid zrdir=rigid range id 200
sel cable id=1 pretension 60e4 range cid 5,16
sel cable id=1 pretension 60e4 range cid 5,16
init szz -2.4e7 grad=(0,0,2.4e7)
fix x range x -.1 .1 any z -.1 .1 any
fix z range x -.1 .1 any z -.1 .1 any
fix z range x 5.9 6.1 any z -.1 .1 any
set grav 0 0 -10
set large
init zvel -2.5e-5 range x 2.9 3.1 any z 0.9 1.1 any
step 3000
plot create beam1
plot add con zdisp out on
plot add dis
plot show
plot create beam2
plot add sketch
plot add sel cable force black yellow
plot add sel cable grout stress black yellow
plot add sel cable grout slip
plot show
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