new
rest D:\flacmonilunwen\pingheng.sav
model null ran x 90 210 y 25 69 z 5 20
model null ran x 90 210 y 69 75 z 5 9
set large
ini xdis=0 ydis=0 zdis=0
app szz -0.1e6 ran x 90 210 y 69 75 z 9
hist gp zdisp 120 69 9
hist gp zdisp 150 69 9
hist gp zdisp 180 69 9
hist gp ydisp 120 69 9
hist gp ydisp 150 69 9
hist gp ydisp 180 69 9
hist gp zdisp 120 75 7
hist gp zdisp 150 75 7
hist gp zdisp 180 75 7
hist gp ydisp 120 75 7
hist gp ydisp 150 75 7
hist gp ydisp 180 75 7
solve
save D:\flacmonilunwen\ceshi2.sav
运算出来顶板的位移量跟挖空一样，没有变化，是不是我加支架的命令不对，还是有别的问题，希望大神帮忙指正一下啊
