程序
finish
/prep7 !进入前处理器
!pzt
L1=0.04
W1=0.008
H1=0.0003
!CU层
L2=0.05
W2=0.008
H2=0.0005
!PZT
L3=0.04
W3=0.008
H3=0.0003
!NI 1前
L4=0.005
W4=0.008
H4=0.008
BLOCK,L2-L1,L2,0,W1,0,H1!PZT
BLOCK,0,L2,0,W2,H1,H1+H2!cu层
BLOCK,L2-L3,L2,0,W3,H1+H2,H1+H2+H3!pzt
BLOCK,L2-L4,L2,0,W4,H1+H2+H3,H1+H2+H3+H4!NI 1
vglue,all !所体粘接
!PZT材料特性参数
mp,dens,1,7500 !介电数矩阵
mp,perx,1,1100
mp,pery,1,1100
mp,perz,1,827
tb,anel,1 !刚度矩阵弹性劲度系数
tbdata,1,13.2e10,7.1e10,7.3e10
tbdata,7,13.2e10,7.3e10
tbdata,12,11.5e10
tbdata,16,3.0e10
tbdata,19,2.6e10
tbdata,21,2.6e10
tb,piez,1 !压电应力数压电数矩阵输入
tbdata,3,-5.2
tbdata,6,-5.2
tbdata,9,15.1
tbdata,14,12.7
tbdata,16,12.7
!PZT材料特性参数
mp,dens,3,7500 !介电数矩阵
mp,perx,3,1100
mp,pery,3,1100
mp,perz,3,827
tb,anel,3 !刚度矩阵弹性劲度系数
tbdata,1,13.2e10,7.1e10,7.3e10
tbdata,7,13.2e10,7.3e10
tbdata,12,11.5e10
tbdata,16,3.0e10
tbdata,19,2.6e10
tbdata,21,2.6e10
tb,piez,3 !压电应力数压电数矩阵输入
tbdata,3,-5.2
tbdata,6,-5.2
tbdata,9,15.1
tbdata,14,12.7
tbdata,16,12.7
!定义结构材料参数
mp,dens,1,7500 !前面已经定义pzt弹性矩阵（刚度矩阵）所处要再输入其弹性模量（杨）啦
mp,nuxy,1,0.287
mp,dens,2,8300
mp,ex,2,110e9
mp,nuxy,2,0.324
mp,dens,3,7500
mp,nuxy,3,0.287
mp,dens,4,8900
mp,ex,4,180e9
mp,nuxy,4,0.3
!网格划定义限元结构
et,1,solid5,3
et,2,solid45
!进行网格划
lesize,all,5e-4,,,,1,,,1,
mat,1 $type,1 !压电片网格划
mat,3 $type,1 !压电片网格划
mat,2$type,2 !cu层网格划
mat,4$type,2 !ni质量块网格划
vsweep,all
!边界条件、载荷及求解
nsel,s,loc,z,0!选z坐标0所点定义压电片层电极
cp,1,volt,all
*get,n_bot,node,0,num,min
d,n_bot,volt,0!压电片层电极短路
nsel,s,loc,z,h1!定义压电片层电极
cp,2,volt,all
*get,n_top,node,0,num,min
nsel,s,loc,z,h1+h2!定义压电片层电极
cp,3,volt,all
*get,n_bot,node,0,num,min
d,n_bot,volt,0!压电片层电极短路
nsel,s,loc,z,h1+h2+h3!定义压电片层电极
cp,4,volt,all
*get,n_top,node,0,num,min
!施加固定约束
da,35,ux,0
da,35,uy,0
da,35,uz,0
da,36,ux,0
da,36,uy,0
da,36,uz,0
!考虑重力载荷
acel,0,0,9.8
nsel,all
!静态析
/solu
antype,static!静态析
solve
fini
/post1
pldisp,1!显示变形未变形形状
plnsol,u,sum!绘制位移等值线图
finish
!模态析
/solu
antype,modal
modopt,lanb,4
mxpand,4
solve
finish
!压电片输电压
!谐响应析
/solu
antype,harmic
harfrq,0,3000!频率范围
nsubst,20!步数量
kbc,1
solve
finish
析完查看电场模块提示 The requested EF data is not available. The PLNSOL command is ignored求高手指教
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