各位高手，请问排土场模拟应该用莫尔还是弹性模型？
model mech mohr
prop bulk 4.5e8 she 1.4e8 fric 29.5 coh 3.19e4 tens 0 dens 1690 range group d
prop bulk 4.5e8 she 1.4e8 fric 29.5 coh 3.19e4 tens 0 dens 1690 range group 0
prop bulk 2.5e7 she 1.15e7 fric 26.8 coh 4e3 tens 0 dens 1540 range group gs
prop bulk 3.3e8 she 1.63e8 fric 17.7 coh 1.09e5 tens 2.7e5 dens 1110 range group cl
prop bulk 4.4e8 she 2.5e8 fric 19.3 coh 1.82e5 tens 4.6e5 dens 2000 range group niy
set grav 0 0 -9.81
fix x range x 0.0
fix x range x 420.0
fix y range y 0.0
fix y range y 12.0
fix z range z 0.0
hist add unbal
solve
model null range group 0
ini disp 0 0 0
solve
以上这是mohr
model mech elas
prop bulk 5.13e6 she 8.67e5 poisson 0.42 young 2.46e6 dens 1690 range group d
prop bulk 5.13e6 she 8.67e5 poisson 0.42 young 2.46e6 dens 1690 range group 0
prop bulk 2.5e7 she 1.15e7 poisson 0.3 young 3e7 dens 1540 range group gs
prop bulk 3.3e8 she 1.63e8 poisson 0.29 young 4.2e8 dens 1110 range group cl
prop bulk 4.4e8 she 2.5e8 poisson 0.26 young 6.4e8 dens 2000 range group niy
set grav 0 0 -9.81
fix x range x 0.0
fix x range x 420.0
fix y range y 0.0
fix y range y 12.0
fix z range z 0.0
hist add unbal
solve
model null range group 0
ini disp 0 0 0
solve
这是弹性模型
应该采用哪一种
莫尔无法收敛，请各位给与指点
