ansys边坡程序代码

2016-12-16  by:CAE仿真在线  来源:互联网

/prep7


et,1,plane42

keypot,1,3,2

mp,ex,1,20e9 !岩体参数

mp,prxy,1,0.22

mp,dens,1,2600

mp,ex,2,3e9 !滑体参数

mp,prxy,2,0.35

mp,dens,2,2140

mp,ex,3,2.7e9 !35%饱和度

mp,prxy,3,0.35

mp,dens,3,2180

mp,ex,4,2.4e9 !50%饱和度

mp,prxy,4,0.35

mp,dens,4,2210

mp,ex,5,2.1e9 !65%饱和度

mp,prxy,5,0.35

mp,dens,5,2240

mp,ex,6,1.8e9 !80%饱和度

mp,prxy,6,0.35

mp,dens,6,2270

mp,ex,7,1.5e9 !100%饱和度

mp,prxy,7,0.35

mp,dens,7,2300

save

k,1,0,0,0

k,2,0,505,0

k,3,562,505,0

k,,621,459,0

k,,658,433,0

k,,693,393,0

k,,802,313,0

k,,850,303,0

k,,892,273,0

k,,913,253,0

k,,930,243,0

k,,1034,233,0

k,,1186,228,0

k,,1216,223,0

k,,1232,208,0

*do,i,1,14

l,i,i+1

*enddo

k,16,660,387,0

k,,770,248,0

k,,827,230,0

k,,888,217,0

k,,930,216,0

k,,1034,213,0

k,,1186,209,0

l,4,16

l,16,17

l,17,18

l,18,19

l,19,20

l,20,21

l,21,22

l,22,15

nummrg,all

numcmp,all

k,23,1243,198,0

k,,612,380,0

k,,745,214,0

k,,884,181,0

k,,1242,174,0

l,3,24

l,24,25

l,25,26

l,26,27

l,27,23

l,23,15

nummrg,all

numcmp,all

k,28,1610,198,0

k,,1610,0,0

k,,1243,0,0

k,,884,0,0

k,,745,0,0

k,,612,0,0

l,6,16

l,7,17

l,8,18

l,9,19

l,11,20

l,13,22

l,16,24

l,17,25

l,19,26

l,24,33

l,25,32

l,26,31

l,27,30

l,1,33

l,30,31

l,31,32

l,32,33

l,23,28

l,28,29

l,29,30

save

al,4,5,15,29

al,29,6,16,30

al,7,17,30,31

al,8,18,31,32

al,9,10,19,32,33

al,11,12,20,21,33,34

al,13,14,22,34

al,3,15,35,23

al,35,16,24,36

al,36,17,18,37,25

al,19,20,21,22,26,27,28,37

al,1,2,23,38,42

al,38,39,24,45

al,39,40,25,44

al,40,41,26,43

al,46,47,48,27,41

allsel,all !选择所有元素

type,1

mat,1

mshape,1,2d

mshkey,0 !设置划分方式,自由划分

esize,10,0

amesh,1,11,1

esize,,,

allsel,all

amesh,12,16,1

save

finish

!施加边界条件,并进行求解设置

/solu

eplot

save

nsubst,20 !指定荷载子步

nlgeom,on

nropt,full

pred,on

lnsrch,on

outres,all,last

!施加约束条件

nsel,s,loc,x,0

d,all,ux

nsel,s,loc,x,1610

d,all,ux

nsel,s,loc,y,0

d,all,all

allsel,all

acel,0,10,0

allsel,all

save

finish

!求解自重应力场

/solu

time,1

asel,s,,,1,7,1

esla,s

mpchg,2,all

allsel,all

solve

save

finish

!求解不同饱和度下的应力场

!35%饱和度

/solu

antype,,rest

time,2

asel,s,,,1,7,1

esla,s

mpchg,3,all

allsel,all

solve

save

finish

!50%饱和度

/solu

antype,,rest

time,3

asel,s,,,1,7,1

esla,s

mpchg,4,all

allsel,all

solve

save

finish

!65%饱和度

/solu

antype,,rest

time,4

asel,s,,,1,7,1

esla,s

mpchg,5,all

allsel,all

solve

save

finish

!80%饱和度

/solu

antype,,rest

time,5

asel,s,,,1,7,1

esla,s

mpchg,6,all

allsel,all

solve

save

finish

!100%饱和度

/solu

antype,,rest

time,6

asel,s,,,1,7,1

esla,s

mpchg,7,all

allsel,all

solve

save

finish

!初始状态下边坡稳定分析

/post1

set,1

plnsol,s,y,0,1 !初始状态下自重应力场

plnsol,u,y,0,1 !初始状态下位移场

plnsol,s,xy,0,1 !初始状态下剪应力

plnsol,epto,xy,0,1 !初始状态下剪应变

!荷载工况

/post1

lcdef,1,1, !将第一个计算步定义为工况1

lcdef,2,6, !将第六个计算步定义为工况2

lcase,2, !读入荷载工况2

lcoper,sub,1,,, !将荷载工况2减去工况1

!绘制位移、剪力、剪应变增量图

plnsol,u,y,0,1 !初始状态下位移场

plnsol,s,xy,0,1 !初始状态下剪应力

plnsol,epto,xy,0,1 !初始状态下剪应变

!采用mohr-column准则对饱水状态下的塑性区分布进行计算,C=50kPa,内摩擦角30度

/post1

asel,s,,,1,7,1

esla,s

etable,s1_1,s,1 !将所选单元的第1,3主应力定义为单元表

etable,s3_1,s,3

sadd,s1,s3_1,,-1.00,1

sadd,s3,s1_1,,-1.00,1

sadd,smf_over,s1,s3,1.00,-1.00

cos_fai=cos(30/180*3.1415926) !计算内摩擦角的余弦

sin_fai=sin(30/180*3.1415926)

constant=2*50000*cos_fai

sadd,s1_s3,s1,s3,1,1

sexp,s1_s3,s1_s3,,1

sadd,smf_down,s1_s3,,sin_fai,,constant

sexp,s_m_f,smf_over,smf_down,1,-1

esel,all

/contour

pletab,s_m_f,avg !绘制屈服单元的云图

(转)


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