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ANSYS经典例子.docx

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ANSYS经典例子.docx

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ANSYS经典例子.docx

ANSYS经典例子

21.隧道模拟开挖命令流（入门）

!

隧模拟开挖命令流

/COM

fini

/cle

*set,x1,-30

*set,y1,-40

*set,w,64.9

*set,h,58.3

*set,th,0.5

/prep7

k,,0,0$k,,0,3.85

k,,0.88,5.5$k,,2.45,6.15

k,,4.02,5.5$k,,4.9,3.85$k,,4.9,0

larc,1,2,6,8.13$larc,2,3,6,3.21

larc,3,4,6,2.22$larc,4,5,2,2.22

larc,5,6,2,3.21$larc,6,7,2,8.13$larc,7,1,4,6

a,1,2,3,4,5,6,7

blc4,x1,y1,w,h

aovl,2,1

lsel,s,line,,1,6,

lcomb,all,,

lsel,all,

et,1,beam3

et,2,plane42

keyopt,2,3,2

r,1,th,th*th*th/12,th,,

mp,ex,1,2.6e7

mp,prxy,1,0.2

mp,dens,1,25

mp,ex,2,1.3e6

mp,prxy,2,0.32

tb,dp,2

tbdata,1,200,30,

mp,dens,2,22

mp,ex,3,1.3e6

mp,prxy,3,0.32

tb,dp,3

tbdata,1,200,30,

mp,dens,3,22

lsel,s,line,,1

lesize,all,,,50,

latt,1,1,1

lmesh,all

alls

lsel,s,line,,7

lesize,all,,,17,

latt,1,1,1

lmesh,all

alls

lsel,s,line,,8,11

lesize,all,,,40

alls

mopt,split,on

mopt,split,err

mopt,split,warn

mopt,qmesh,main

asel,s,area,,3

aatt,2,,2

amesh,all

alls

asel,s,area,,1

aatt,3,,2

amesh,all

alls

lsel,s,loc,x,x1

lsel,a,loc,x,x1+w

dl,all,,ux,0

alls

lsel,s,loc,y,y1

dl,all,,uy,0

alls

acel,,1

fini

/solu

antype,static

deltim,0.1,0.05,0.2

autots,on!

使用自动时间步

pred,on!

打开时间步长预测器

lnsrch,on!

打开线性搜索

nlgeom,on!

打开大位移效果

nropt,full!

设定牛顿-拉普森选项

cnvtol,f,,0.02,0

esel,s,type,,1

ekill,all

esel,all

esel,s,live

nsle,s

nsel,inve

d,all,all,0

nsel,all

esel,all

solve

esel,s,mat,,3

ekill,all

esel,s,type,,1

ealive,all

nsle,s

ddele,all,all

esel,all

esel,s,live

nsle,s

nsel,inve

d,all,all,0

nsel,all

esel,all

solve

fini

/post1

etable,if,smisc,1

etable,jf,smisc,7

etable,im,smisc,6

etable,jm,smisc,12

etable,ism,nmisc,1

etable,jsm,nmisc,3

etable,isn,nmisc,2

etabel,jsn,nmisc,4

22.螺栓连接的模拟实现问题

!

ANSYS6.1计算test3（对称模型，只建一半模型,试验前分析）

!

/BATCH

!

/input,menust,tmp,'',,,,,,,,,,,,,,,,1

/PREP7

!

参数定义!

!

hc=400!

柱截面高度

bc=200!

柱截面宽度

tcf=10!

柱翼缘厚度

tcw=8!

柱腹板厚度

lc=1100!

柱构件伸出长度

tep=20!

端板厚度

bep=bc+20!

端板宽度

HEP1=hc+200!

端板高度

tst=10!

端板外伸部分加劲肋厚度

hst=80!

端板外伸部分加劲肋高度

bst=bc/2-5!

端板外伸部分加劲肋高度

lbt=2*tep!

螺栓杆长度

dbt=20!

螺栓杆直径或有效直径

dbth=31.4!

螺栓头和螺母直径

lbth=12.5!

螺栓头厚度

preten=155000!

螺栓施工预拉力

miu=.4!

端板间抗滑移系数

hb=400!

梁截面高度

bb=200!

梁截面宽度

tbf=8!

梁翼缘厚度

tbw=6!

梁腹板厚度

lb1=870!

梁构件伸出长度

lb2=200!

梁构件伸出的水平加载断长度

hb1=362!

梁最左端高度

dh0=dbt+2!

螺栓孔直径

randa=0.05!

梁的坡度

aa=50!

螺栓中心到梁翼缘边缘（非受力方向）的距离

aa1=50!

螺栓中心到梁翼缘边缘（受力方向的距离

ab=120!

一二排螺栓间距

displa=-50!

施加的位移荷载大小

!

建模开始!

!

梁模型!

!

block,o,tep,-hep1/2,hep1/2,0,bep/2

block,-tep,0,-hep1/2-100+4*tcf,hep1/2,0,bep/2

k,20,tep,hb/2

k,21,tep,hb/2-tbf

k,22,tep+lb1,hb/2-tbf+lb1*randa

k,23,tep+lb1,hb/2+lb1*randa

k,24,tep,hb/2,bb/2

k,25,tep,hb/2-tbf,bb/2

k,26,tep+lb1,hb/2-tbf+lb1*randa,bb/2

k,27,tep+lb1,hb/2+lb1*randa,bb/2

v,20,21,22,23,24,25,26,27

k,28,tep,hb/2-tbf

k,29,tep,-hb/2+tbf

k,30,tep+lb1,-hb/2+tbf+lb1*randa

k,31,tep+lb1,hb/2-tbf+lb1*randa

k,32,tep,hb/2-tbf,tbw/2

k,33,tep,-hb/2+tbf,tbw/2

k,34,tep+lb1,-hb/2+tbf+lb1*randa,tbw/2

k,35,tep+lb1,hb/2-tbf+lb1*randa,tbw/2

v,28,29,30,31,32,33,34,35

block,tep+lb1,tep+lb1+lb2,hb/2-tbf+lb1*randa,hb/2+lb1*randa,0,bb/2

block,tep+lb1,tep+lb1+lb2,-hb/2+tbf+lb1*randa,hb/2-tbf+lb1*randa,0,tbw/2

vgen,2,3,5,2,,-hb+tbf,,,0

!

颜色区分volumn!

!

/PNUM,KP,0

/PNUM,LINE,0

/PNUM,AREA,0

/PNUM,VOLU,1

/PNUM,NODE,0

/PNUM,TABN,0

/PNUM,SVAL,0

/NUMBER,1

/PNUM,ELEM,0

/REPLOT

!

柱模型!

!

端板对接斜坡!

!

端板对接斜坡!

!

k,80,-tep,-hep1/2-100+4*tcf

k,81,-tep,-hep1/2-100

k,82,-tep+tcf,-hep1/2-100

k,83,0,-hep1/2-100+4*tcf

k,84,-tep,-hep1/2-100+4*tcf,bep/2

k,85,-tep,-hep1/2-100,bep/2

k,86,-tep+tcf,-hep1/2-100,bep/2

k,87,0,-hep1/2-100+4*tcf,bep/2

v,80,81,82,83,84,85,86,87

!

柱翼缘!

!

block,-tep,-tep+tcf,-hep1/2-100,-hb/2-lc,0,bc/2

block,-tep-hc+tcf,-tep-hc+2*tcf,-hb/2-lc,hb/2-（hc-2*tcf）*randa,0,bc/2

!

柱腹板!

!

k,89,-tep-hc+2*tcf,-hb/2-lc

k,90,-tep,-hb/2-lc

k,92,-tep-hc+2*tcf,hb/2-（hc-2*tcf）*randa-tbf

k,91,-tep,hb/2-tbf

k,93,-tep-hc+2*tcf,-hb/2-lc,tcw/2

k,94,-tep,-hb/2-lc,tcw/2

k,96,-tep-hc+2*tcf,hb/2-（hc-2*tcf）*randa-tbf,tcw/2

k,95,-tep,hb/2-tbf,tcw/2

v,89,90,91,92,93,94,95,96

k,98,-tep,hb/2

k,97,-tep-hc+2*tcf,hb/2-（hc-2*tcf）*randa

k,100,-tep,hb/2,bb/2

k,99,-tep-hc+2*tcf,hb/2-（hc-2*tcf）*randa,bb/2

v,91,92,97,98,95,96,99,100

block,-tep-hc+2*tcf,-tep,-hb/2,-hb/2+tst,tcw/2,tcw/2+bst

!

端板外伸加劲肋!

!

k,109,tep,hb/2

k,110,tep+hst,hb/2+hst*randa

k,111,tep,hb/2+hst

k,112,tep,hb/2,tst/2

k,113,tep+hst,hb/2+hst*randa,tst/2

k,114,tep,hb/2+hst,tst/2

V,109,110,111,112,113,114

k,115,tep,-hb/2

k,116,tep+hst,-hb/2+hst*randa

k,117,tep,-hb/2-hst

k,118,tep,-hb/2,tst/2

k,119,tep+hst,-hb/2+hst*randa,tst/2

k,120,tep,-hb/2-hst,tst/2

V,115,116,117,118,119,120

k,121,-tep,hb/2

k,122,-tep-hst,hb/2-hst*randa

k,123,-tep,hb/2+hst

k,124,-tep,hb/2,tst/2

k,125,-tep-hst,hb/2-hst*randa,tst/2

k,126,-tep,hb/2+hst,tst/2

v,121,122,123,124,125,126

!

梁加劲肋!

!

wpoff,tep+lb1+lb2/2,-hb/2+tbf+lb1*randa,0

block,-tst/2,tst/2,0,hb-2*tbf,tbw/2,tbw/2+bst

block,75-tst/2,tst/2+75,0,hb-2*tbf,tbw/2,tbw/2+bst

block,-75-tst/2,-75+tst/2,0,hb-2*tbf,tbw/2,tbw/2+bst

wplane,,0,hb/2+100-aa,bep/2-aa1,0,hb/2+aa+10,bep/2-aa1,0,hb/2-aa+100+10,bep/2-aa1+10

!

端板打孔!

!

cylind,dh0/2,,-tep-10,tep+10,0,360

vsel,S,LOC,Y,hb/2+100-aa

vgen,2,all,,,,-ab,,,0

vgen,2,all,,,,-（hep1-2*aa-ab）,,,0

cm,bolt,volu

!

布尔运算!

!

vsel,s,loc,x,-tep+5,tep

VSEL,U,,,bolt

cm,endplate,volu

cmsel,all

VSBV,endplate,bolt,keep

!

建螺栓!

!

cylind,dbt/2,,-tep,tep,0,360

cylind,dbth/2,,-tep-lbth,-tep,0,360

cylind,dbth/2,,tep,tep+lbth,0,360

wpoff,-ab,0

cylind,dbt/2,,-tep,tep,0,360

cylind,dbth/2,,-tep-lbth,-tep,0,360

cylind,dbth/2,,tep,tep+lbth,0,360

wpoff,-（hep1-2*aa-ab）,0

cylind,dbt/2,,-tep,tep,0,360

cylind,dbth/2,,-tep-lbth,-tep,0,360

cylind,dbth/2,,tep,tep+lbth,0,360

wpoff,ab

cylind,dbt/2,,-tep,tep,0,360

cylind,dbth/2,,-tep-lbth,-tep,0,360

cylind,dbth/2,,tep,tep+lbth,0,360

allsel,all

NUMMRG,ALL,,,,LOW

!

粘贴柱腹板翼缘端板和相应的加劲肋!

!

vsel,s,loc,x,-tep-hc,0

vsel,u,loc,x,0,tep

VGLUE,all

!

粘贴梁腹板翼缘端板和相应的加劲肋!

!

vsel,s,loc,x,0,lb1+lb2+tep

vsel,u,loc,x,-tep,0

VGLUE,all

!

粘贴螺栓!

!

vsel,s,loc,z,bep/2-aa1

VGLUE,all

cm,bolt,volu

ALLSEL,ALL

NUMMRG,ALL,,,,LOW

!

定义材料和单元属性!

!

下面定义材料1，Q345钢材用于梁柱端板!

!

et,1,solid92

mp,ex,1,206e3

mp,prxy,1,0.3

tb,biso,1,1,2

tbtemp,0

tbdata,,345,0,,,,

!

下面定义材料2，用于高强螺栓!

!

mp,ex,2,206e3

mp,prxy,2,0.3

tb,biso,2,1,2

tbtemp,0

tbdata,,940,0,,,,

!

给单元附材料号和属性!

!

高强螺栓附属性!

!

cmsel,s,bolt

VATT,2,,1,0

!

梁柱端板附属性!

!

ALLSEL,ALL

cmsel,u,bolt

VATT,1,,1,0

!

网格划分!

!

mesh螺栓杆!

!

cmsel,s,bolt

vsel,r,loc,x,0

LSEL,s,radius,,dbt/2

LESIZE,all,,,4,,,,,1

LSEL,s,length,,2*tep

LESIZE,all,,,10,,,,,1

MSHAPE,1,3D

MSHKEY,0

VMESH,all

!

mesh螺栓头和螺母!

!

cmsel,s,bolt

vsel,u,loc,x,0

LSEL,s,radius,,dbth/2

LESIZE,all,,,4,,,,,1

LSEL,s,radius,,dh0/2

LESIZE,all,,,8,,,,,1

LSEL,s,length,,lbth

LESIZE,all,,,2,,,,,1

VMESH,all

!

mesh端板!

!

先建endplate的component!

!

allsel,all

vsel,s,loc,x,-tep+tcf/2,tep

vsel,u,loc,x,0

cm,endplate,volu

ESIZE,bep/10

VMESH,all

!

mesh柱!

!

vsel,s,loc,x,-tep-hc,0

vsel,r,loc,z,0,tcf

vsel,u,loc,y,hb/2,hb/2+hst

cm,col_web,volu

eSIZE,hc/8

VMESH,all

vsel,s,loc,x,-tep-hc,0

cmsel,u,bolt

cmsel,u,endplate

cmsel,u,col_web

eSIZE,bc/6

VMESH,all

!

mesh梁!

!

vsel,s,loc,x,tep,tep+lb1+lb2

cmsel,u,bolt

lsel,s,loc,x,tep+lb1+lb2

LSEL,r,length,,bb/2

LESIZE,all,bb/6

lsel,s,loc,x,tep+lb1+lb2

LSEL,r,length,,hb-2*tbf

LESIZE,all,hb/8

VMESH,all

!

接触建立!

!

allsel,all

cmsel,s,endplate

ASLV,S

asel,r,loc,x

asel,u,loc,y,-hep/2,-hep/2-10

cm,target1,area

allsel,all

cmsel,s,endplate

ASLV,S

asel,r,loc,x

asel,r,loc,y,-hep/2,-hep/2-10

cm,contact1,area

cmsel,s,target1

cmsel,a,contact1

MP,MU,1,miu

MAT,1

R,3

REAL,3

ET,3,170

ET,4,174

KEYOPT,4,9,0

ASEL,S,,,target1

TYPE,3

NSLA,S,1

ESLN,S,0

ESURF,ALL

ASEL,S,,,contact1

TYPE,4

NSLA,S,1

ESLN,S,0

ESURF,ALL

ALLSEL

!

对高强螺栓psmesh!

!

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