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楼主 |
发表于 2006-11-19 14:23
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/title, piezoelectric actuator
/com,
!------------define problem parameters----------
!
*set, r_pzt ,2.8e-3 ! define the radius of the pzt
*set, t_pzt, 200e-6 ! define the thickness of the pzt
*set, r_si, 3.5e-3 ! define the radius of the si
*set, t_si, 100e-6 ! define the thickness of the si
!
! -----------material properties for piezo layer and si layer-------
!
! define the element type
/prep7
ET, 1, 5, 3
ET, 2, 95
! define pzt layer material properties (material 1)
!
MP, EX, 1, 6.2e10 !Yang's modulus of pzt
MP, NUXY, 1, 0.22 !possion ratio of pzt
MP, DENS, 1, 7500 !density of pzt
MP, PERX, 1, 640
MP, PERY, 1, 640 !Permittivity of pzt
MP, PERZ, 1, 600
tb, piez, 1
tbdata, 3, -13.5
tbdata, 6, -13.5
tbdata, 9, 40 !piezoelectric"e" matrix of pzt
tbdata, 14, 33.6
tbdata, 16, 33.6
!define Si layer material properties (material 2)
!
mp, ex, 2, 1.62e11 !yang's modulus of si
mp,nuxy, 2, 0.17 !possion ratio of si
mp, dens, 2, 2329 !density of si
!-------------------build modal---------------------------
!
CYL4, , , r_pzt,0,0,360, t_pzt !draw a pzt layer which radius is 3.5e-3
CYL4, , , r_pzt,0,0,360,- t_si !draw a si layer which radius is 3.5e3-3
CYL4, , , r_si,0, r_pzt,360,- t_si
Vglue, all
vsel, s , , ,1 ! choose the volume 1
vatt, 1, ,1 ! give the attribute 1 to volume 1
esize, 200e-6
vsweep,all !mesh the volume
vsel,s, , ,4
vsel,a, , , 5 !choose the volume 4 and 5
vatt,2, ,2
esize, 200e-6 !give the attribute 2 to volume 4,5
vsweep,all
!mesh the volume
这样划分,怎么有一个体划不上呢? |
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