ANSYS荷载结构法命令流.pdfVIP

ANSYS荷载结构法命令流

finish

/clear

/prep7

*set,shuxiang,276170!竖向荷载

*set,zuoce,125500!水平荷载

*set,youce,-125500

!*set,jizhongli,-100000!地震集中力

*set,uxishu,136.966e6*0.5!水平弹性抗力系数

*set,vxishu,87.4348e6*0.5!竖向弹性抗力系数

!定义单元类型、实常数及材料性质

et,1,beam3

r,1,0.3,0.00225,0.3

mp,ex,1,3.1e10!弹性模量

mp,dens,1,2500!密度

mp,prxy,1,0.167!泊松比

!创建几何模型画点

k,1,0,2.55

k,2,-2.04,1.53

k,3,-2.6,-0.15

k,4,-2.319721,-2.023237

k,5,-1.648852,-2.71152

k,6,0,-2.98

k,7,1.648852,-2.71152

k,8,2.319721,-2.023237

k,9,2.6,-0.15

k,10,2.04,1.53

k,1000,0,0!中心点

!画隧道轮廓线

larc,1,2,1000,2.55

larc,2,3,1000,2.8

larc,3,4,1000,6.4

larc,4,5,1000,1.04969

larc,5,6,1000,5.2

larc,6,7,1000,5.2

larc,7,8,1000,1.04969

larc,8,9,1000,6.4

larc,9,10,1000,2.8

larc,10,1,1000,2.55

!选择左边的所有线

allsel!选择所有的实体

lsel,s,loc,x,0,-5!选择左边的所有线:x从0到－5

lcomb,all!合并所选的线

lesize,all,,,30!把上面合并的线等分30段

!选择右边的所有线

allsel

lsel,s,loc,x,0,5

lcomb,all

lesize,all,,,30

allsel!全选

!划分单元

lmesh,all

nplot!显示节点

!加弹簧

!y方向

*do,i,23,40

PSPRNG,i,TRAN,vxishu,,-0.3,,,!tran-直线的

*enddo

PSPRNG,2,TRAN,vxishu,,-0.3,,,!固定结构用的

!x方向

*do,i,15,26

PSPRNG,i,TRAN,uxishu,-0.3,,,,

*enddo

*do,i,37,48

PSPRNG,i,TRAN,uxishu,0.3,,,,

*enddo

allsel

finish

!进入求解层，施加荷载，定义荷载步等

/solu

!施加约束

nsel,s,,,2!选择约束的节点

!nsel,s,loc,x,0d

!nsel,r,loc,y,-2.98

d,all,ux!施加水平方向的约束

allsel

fcum,add,,!一定要，使荷载能叠加

!竖向荷载

*do,i,3,15

a=-shuxiang*0.5*abs(nx(i)-nx(i+1))

f,i+1,fy,a

f,i,fy,a

*enddo

*do,i,47,59

a=-shuxiang*0.5*abs(nx(i)-nx(i+1))

f,i+1,fy,a

f,i,fy,a

*enddo

!对未循环的节点施加竖向荷载

a=-shuxiang*0.5*abs(nx(1)-nx(3))

f,3,fy,a

f,1,fy,2*a

f,60,fy,a

!水平荷载

*do,i,3,30

a=zuoce*0.5*abs(ny(i)-ny(i+1))

f,i+1,fx,a

f,i,fx,a

*enddo

*do,i,32,