Geotechnical
Engineering Modelling
and Analysis
School of Hydraulic Engng.
Dalian Uni. of Technology
2019
Dalian University Of Technology
2
Getting Started with
FLAC3D
Dalian University Of Technology
3
例1 线弹性方块局部受压
除上表面外周边均简支约束;
上表面中部受均布荷载q=10e4;
求块体应力及变形情况。
size/m
Elem num
ρ/kgm
-3
K/MPa G/MPa ν
3x3x3 3x3x3 2000 300 100 0.35
,
31 2 21
EE
KG
Dalian University Of Technology
4
W2-1计算初始应力
new ;开始一个新的计算
gen zon bri size 3 3 3 ;建立网格(前处理)
model elas ;材料参数
prop bulk 3e6 shear 1e6
ini dens 2000 ;初始条件
fix z ran z -.1 .1 ;边界条件
fix x ran x -.1 .1
fix x ran x 2.9 3.1
fix y ran y -.1 .1
fix y ran y 2.9 3.1
set grav 0 0 -10
hist unbal ; 第一个历史变量:不平衡力
solve
save w2-1.sav
Dalian University Of Technology
5
练习后处理
Plot block group
窗口交互
输出竖向应力:plot con szz
比较 plot con szz 与 plot bcon szz(块云图)
的区别
评论4