1
操作演示
window。DATA。videoArr。push({“title”:“3。9 壓阻現象耦合分析”,“vid”:“f3323o3d9qt”,“img”:“http://inews。gtimg。com/newsapp_ls/0/14544248455_960495/0”,“desc”:“”})
2
APDL程式碼
!定義標題
/title, Four-terminal piezoresistive element, uMKSV system of units
!定義引數
W=57
L=1。5*W
b=23
a=2*b
S=2*L
c11= 16。57e4
c12= 6。39e4
c44= 7。96e4
rho= 7。8e-8
p11=6。5e-5
p12=-1。1e-5
p44=138。1e-5
p=10
Vs=5
/nopr
!預處理
/prep7
!定義元素屬性
et,1,PLANE223,101
et,2,PLANE183
local,11
local,12,,,,,45
tb,ANEL,1,,,0
tbda,1,c11,c12,c12
tbda,7,c11,c12
tbda,12,c11
tbda,16,c44
mp,RSVX,1,rho
tb,PZRS,1
tbdata,1,p11,p12,p12
tbdata,7,p12,p11,p12
tbdata,13,p12,p12,p11
tbdata,22,p44
!建立模型
csys,12
k,1,b/2,W/2+a
k,2,b/2,W/2
k,3,L/2,W/2
k,4,L/2,-W/2
k,5,b/2,-W/2
k,6,b/2,-W/2-a
k,7,-b/2,-W/2-a
k,8,-b/2,-W/2
k,9,-L/2,-W/2
k,10,-L/2,W/2
k,11,-b/2,W/2
k,12,-b/2,W/2+a
a,1,2,3,4,5,6,7,8,9,10,11,12
csys,11
rect,-S/2,S/2,-S/2,S/2
!劃分網格
aovlap,all
esys,12
type,1
esize,b/4
mshape,1,2-D
amesh,1
type,2
esize,b/2
amesh,3
csys,12
nsel,s,loc,x,-L/2
nsel,r,loc,y,-W/2,W/2
cp,1,volt,all
*get,nl,node,0,num,min
d,nl,volt,Vs
nsel,s,loc,x,L/2
nsel,r,loc,y,-W/2,W/2
d,all,volt,0
nsel,s,loc,y,W/2+a
nsel,r,loc,x,-b/2,b/2
cp,2,volt,all
*get,nt,node,0,num,min
nsel,s,loc,y,-W/2-a
nsel,r,loc,x,-b/2,b/2
cp,3,volt,all
*get,nb,node,0,num,min
nsel,all
csys,11
nsel,s,loc,x,-S/2
d,all,ux,0
nsel,r,loc,y,-S/2
d,all,uy,0
nsel,s,loc,x,S/2
sf,all,pres,p
nsel,all
/pbc,u,,1
/pbc,volt,,1
/pbc,cp,,1
/pnum,type,1
/number,1
eplot
fini
!求解
/solu
antype,static
cnvtol,amps,1,1。e-3
solve
fini
案例來源:ANSYS 15。0多物理耦合場有限元分析從入門到精通