

flac3d>new
flac3d>gen zon brick size 3 3 3
flac3d>model mohr
flac3d>prop bulk 3e6 shear 1e6 coh 10e3 fric 15
flac3d>fix z ran z -0.1 0.1
flac3d>fix x ran x -.1 .1
flac3d>fix x ran x 2.9 3.1
flac3d>fix y ran y -.1 .1
flac3d>fix y ran y 2.9 3.1
flac3d>ini dens 2000
flac3d>hist unbal
flac3d>set grav 10
flac3d>solve elastic
运行完指令后plot界面什么都没有显示,输入plot add grid显示错误,而输入plot add boundary则显示出了边界网格。求问这是什么问题?