Home / Examples / Piezoelectric Analysis [Rayleigh] / Example 14: Slit
An piezoelectric device with a slit is analyzed.
The [discontinuous] boundary condition is applied to the slit which is expandable freely.
The resulting displacement vectors can be viewed.
Unless specified in the list below, the default conditions will be applied.
Results will vary depending on Femtet version and the PC environment.
Item |
Settings |
Analysis Space |
3D |
Model Unit |
mm |
Item |
Settings |
Solver |
Piezoelectric Analysis [Rayleigh] |
Analysis Type |
Static Analysis |
Options |
N/A |
The slit is defined as an imprinting sheet body. The [discontinuous] boundary condition is set to it.
Body Number/Type |
Body Attribute Name |
Material Name |
0/Solid |
metal |
504_SUS304 * |
1/Solid |
metal |
504_SUS304 * |
3/Solid |
unit_2 |
000_P-4 * |
4/Solid |
unit_1 |
000_P-4 * |
5/Sheet |
Imprinting body |
|
* Available from the material DB
The polarizations are set as follows.
Body Attribute Name |
Direction |
unit_1 |
Vector Specified Vector: X=-1.0, Y=0.0, Z=0.0 |
unit_2 |
Vector Specified Vector: X=1.0, Y=0.0, Z=0.0 |
Boundary Condition Name/Topology |
Tab |
Boundary Condition Type |
Settings |
earth/Face |
Electric |
Electric Wall |
Electric Potential Specified: Electric Potential 0 [V] |
hot/Face |
Electric |
Electric Wall |
Electric Potential Specified: Electric Potential 1[V] |
slit/Face |
Symmetry/Continuity |
|
Discontinuous |
The vibration of the device is shown below. The color contour indicates the magnitude of displacement.
The device opens opens outward at the slit.