做压电材料的高人帮帮忙啊

jackyfoo

我搞不懂压电的瞬态分析了, 毕业论文要用啊, 十分着急, 请高人指教!!!
压电材料加载电压发生形变的瞬态分析是怎么设置的啊???

kkkttt

http://forum.vibunion.com/forum/thread-13212-1-1.html
http://forum.vibunion.com/forum/thread-8578-1-1.html

jackyfoo

非常谢谢你的帮助

jackyfoo

我的程序是这样的:不论时间time语句怎么改,得出的曲线都是一个样子.你可以帮我解决一下这个问题么?谢谢
FINISH
/CLEAR
/PREP7
CYLIND,0.004, ,0.0002,,0,360,   
CYLIND,0.005, ,-0.0002,,0,360,   
vglue,all
ET,1,SOLID98
ET,2,SOLID187
keyopt,1,1,3
MP,DENS,1,7500
MP,PERX,1,1695
MP,PERY,1,1695
MP,PERZ,1,1469
!orthotropic dielectric matrix
TB,PIEZ,1,,,0   
TBMODIF,1,1,0   
TBMODIF,1,2,0   
TBMODIF,1,3,-6.5
TBMODIF,2,1,0   
TBMODIF,2,2,0   
TBMODIF,2,3,-6.5
TBMODIF,3,1,0   
TBMODIF,3,2,0   
TBMODIF,3,3,23  
TBMODIF,4,1,0   
TBMODIF,4,2,0   
TBMODIF,4,3,0   
TBMODIF,5,1,
TBMODIF,5,2,17  
TBMODIF,5,3,0   
TBMODIF,6,1,17  
TBMODIF,6,2,0   
TBMODIF,6,3,0   
!piezoelectric stress matrix
TB,ANEL,1,1,21,0
TBTEMP,0
TBDATA,,12.6e10,7.95e10,8.41e10,0,0,0   
TBDATA,,12.6e10,8.41e10,0,0,0,11.7e10   
TBDATA,,0,0,0,2.32e10,0,0   
TBDATA,,2.3e10,0,2.3e10,,,
MP,DENS,2,8800
MPTEMP,,,,,,,,  
MPTEMP,1,0  
MPDATA,EX,2,,11.7e10
MPDATA,PRXY,2,,0.374
esize,0.0004
MSHKEY,0
MSHAPE,1,3d
TYPE,1
MAT,1
VMESH,1
TYPE,2
MAT,2
VMESH,3

asel,s,,,3,4
asel,a,,,7,8
da,all,ux,0
da,all,uy,0
da,all,uz,0
alls
DA,1,VOLT,50
DA,2,VOLT,0
FINISH
/SOL
ANTYPE,4
SOLCONTROL,0
TRNOPT, FULL, , , , ,HHT
NLGEOM,ON
OUTRES,,ALL
OUTPR,NSOL,1
TIME,0.1
DELTIM,0.01
KBC,0                          ! RAMP LOAD OVER LOAD STEP
TIMINT,OFF,STRUC            ! SUPPRESS STRUCTURAL DYNAMICS
nsubst,10
TINTP,0, , ,0.5, , ,
/OUTPUT,pzt13-3,txt
SOLVE

/POST26
NSOL,2,3024,UZ !mid
PLVAR,2

teaofnight

回复 4 # jackyfoo 的帖子

楼主，我的毕业设计也是搞压电材料的，对两边添加约束，然后对模型施加交变电压，在交变电压那一块卡住了，不知道怎么添加，楼主做过了，可否教下？