ansys弹簧单元连接钢轨与轨道板是如何建模的
我给看看这个建模过程吧：用四组弹簧连接两个面：
/prep7
!建立两个体
k,1,-50,100,0.002
k,2,150,100,0.002
k,3,150,0,0.002
k,4,-50,0,0.002
k,5,-50,100,20
k,6,150,100,20
k,7,150,0,20
k,8,-50,0,20
v,1,2,3,4,5,6,7,8
k,9,0,0,20.001
k,10,0,100,20.001
k,11,100,100,20.001
k,12,100,0,20.001
k,13,0,0,40
k,14,0,100,40
k,15,100,100,40
k,16,100,0,40
v,9,10,11,12,13,14,15,16
et,1,92
et,2,14
keyopt,2,2,1
et,3,14
keyopt,3,2,2
et,4,14
keyopt,4,2,3
et,5,14
keyopt,5,2,4
et,6,14
keyopt,6,2,5
et,7,14
keyopt,7,2,6
r,2,1.0e5 !定义K=1.0e5,uz
r,3,1.0e6 !定义K=1.0e6,rotx
r,4,1.0e6 !定义K=1.0e6,roty
r,5,1.0e6 !定义K=1.0e6,ux
r,6,1.0e6 !定义K=1.0e6,uy
r,7,1.0e6 !定义K=1.0e6,rotz
mp,ex,1,2e5 !杨氏模量
mp,prxy,1,0.33 ! 泊松比
mp,dens,1,7400e-12 !定义1号单元的密度
!建立硬点群1
hptc,area,1,,coord,30,30,0.002 !Z点
hptc,area,7,,coord,30,30,20.001 !up
!建立硬点群2
hptc,area,1,,coord,70,30,0.002 !Z点
hptc,area,7,,coord,70,30,20.001 !up
!建立硬点群3
hptc,area,1,,coord,70,70,0.002 !Z点
hptc,area,7,,coord,70,70,20.001 !up
!建立硬点群4
hptc,area,1,,coord,30,70,0.002 !Z点
hptc,area,7,,coord,30,70,20.001 !up
!划网格
type,1
mat,1
esize,20 !定义单元的大小，20
type,1 !
MSHAPE,1,3D !MSHAPE确定单元类型：2D、3D还是三角形四面体、四边形六面体
MSHKEY,0 !MSHKEY确定划分网格的方法：自由还是映射
vsel,all !选择所有的体
vmesh,all !划分所有的体。
*set,node_domn1,node(30,30,0.002) !通过硬点坐标50，50，20得到和硬点重合的结点编号
*set,node_up1,node(30,30,20.001)
*set,node_domn2,node(70,30,0.002) !通过硬点坐标50，50，20得到和硬点重合的结点编号
*set,node_up2,node(70,30,20.001)
*set,node_domn3,node(70,70,0.002) !通过硬点坐标50，50，20得到和硬点重合的结点编号
*set,node_up3,node(70,70,20.001)
*set,node_domn4,node(30,70,0.002) !通过硬点坐标50，50，20得到和硬点重合的结点编号
*set,node_up4,node(30,70,20.001)
type,2
real,2
e,node_domn1,node_up1
e,node_domn2,node_up2
e,node_domn3,node_up3
e,node_domn4,node_up4
type,3
real,3
e,node_domn1,node_up1
e,node_domn2,node_up2
e,node_domn3,node_up3
e,node_domn4,node_up4
type,4
real,4
e,node_domn1,node_up1
e,node_domn2,node_up2
e,node_domn3,node_up3
e,node_domn4,node_up4
type,5
real,5
e,node_domn1,node_up1
e,node_domn2,node_up2
e,node_domn3,node_up3
e,node_domn4,node_up4
type,6
real,6
e,node_domn1,node_up1
e,node_domn2,node_up2
e,node_domn3,node_up3
e,node_domn4,node_up4
type,7
real,7
e,node_domn1,node_up1
e,node_domn2,node_up2
e,node_domn3,node_up3
e,node_domn4,node_up4
FINISH
/SOL !进入计算器
ANTYPE,0 !以下进行静态分析
asel,all !1号面全约束。
asel,s,,,1
da,all,all
allsel
nsel,s,loc,z,40
nsel,r,loc,x,40,100 !加载100N
nsel,r,loc,y,40,100
*get,k2,node,0,count
f,all,fz,100/k2
!f,all,mx,9810*0.05*50/k2 !加载0.05吨力*50Nmm的弯矩
allsel
solve
FINISH
/post1
/RGB,INDEX,100,100,100,0 !以下为改变背景颜色，方便截图
/RGB,INDEX,80,80,80,13
/RGB,INDEX,60,60,60,14
/RGB,INDEX,0,0,0,15 !改变背景颜色
/input,a1,txt !a1为视图文件,a1自定义的文件
/replot
/post1
/RGB,INDEX,100,100,100,0 !以下为改变背景颜色，方便截图
/RGB,INDEX,80,80,80,13
/RGB,INDEX,60,60,60,14
/RGB,INDEX,0,0,0,15 !改变背景颜色
/input,a1,txt !a1为视图文件,a1自定义的文件
/replot
/post1
plnsol,u,z,0,
/image,save,1d_uz,jpeg
plnsol,s,eqv,o,1
/image,save,von,jpeg
FINISH