我在用ansys要仿真平行板电容,一个极板固定,另一个极板可动,两个极板间加电压,想要看另一个极板的位移
但是仿真出来的结果是,两个极板上电压确实加上去了,就是没有位置.我用的材料单元是solid227,1001.电压是加在两个极板的内侧,为什么会没有位移呢,加了电压却没有产生电场力.
这是我的命令流
/batch,list
/title,parallelplatecapacitor
a1=200.e-6staticlength,m
a2=50.e-6movablelength,m
b1=200.e-6width,m
b2=3.e-6
d=2.e-6gap,m
h1=10.e-6staticheight,m
h2=2.e-6movableheight,m
young=150young'smodulus,Gpa
p=2.5e3density,kg*m^-3
m=p*a1*b1*h1
u=100voltage,v
rho=150
r=10
eps0=8.854e-12freespacepermittivity,F/m
/nopr
/prep7
emunit,epzro,eps0Specifyfree-spacepermittivity
et,1,solid227,1001structuralandeletric
mp,perx,1,1.2relativepermittivity
mp,rsvx,1,rho
mp,nuxy,1,0.066
mp,ex,1,3.5e10youngmodule
mp,dens,1,2.5e3density
type,1
mat,1
block,h1+d,2*h1+d,-a1,a1,-b1,b1staticplate
block,0,h1,-a1,a1,-b1,b1movableplate
block,0,h2,-a1-a2,-a1,-b2,b2
block,0,h2,a1,a1+a2,-b2,b2
vadd,2,3,4
vmesh,5
vmesh,1
nsel,s,loc,x,h1+d
d,all,volt,1
nsel,s,loc,x,h1
d,all,volt,0
allsel,all
da,15,ux,0
da,15,uy,0
da,15,uz,0
da,22,ux,0
da,22,uy,0
da,22,uz,0
da,12,ux,0
da,12,uy,0
da,12,uz,0
fini
/solu
ANTYPE,STATIC,NEW
solve
两个极板都有自己的电势,但是没有电场力,没有相互作用