一个简单的例子:
gen zone brick size 10 10 10
fix x ran x -0.1 0.1
fix x ran x 19.9 20.1
fix y ran y -0.1 0.1
fix y ran y 19.9 20.1
fix z ran z -0.1 0.1
m e
prop dens 2000 bulk 2.5e6 shear 2.4e6 ten 1e10
set grav 0 0 -10
hist unbal
pl hist 1
solve
m mo
prop dens 2000 bulk 2.5e6 shear 2.4e6 coh 5.5e4 fric 18
solve