ANSYS壓阻現象耦合分析例項

1

操作演示

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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

TAG: loc2Kvoltp1212