General
Home / Examples / Piezoelectric Analysis [Rayleigh] / Example 1: Static Analysis
The model is a bar consisting of two piezoelectric materials which are piggybacked and reversely polarized.
The device's displacement is solved.
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 |
Two solid bodies are created. They are named "upper" and "lower", and reversely polarized.
One end is mechanically fixed. The electric potentials of top and bottom faces are 10 [V] and 0 [V], respectively.
Body Number/Type |
Body Attribute Name |
Material Name |
0/Solid |
upper |
000_P-4 * |
1/Solid |
lower |
000_P-4 * |
* Available from the material DB
The polarizations are set as follows.
Body Attribute Name |
Tab |
Settings |
upper |
Direction |
Vector Specified: Vector: X=Y=0.0, Z=1.0 |
lower |
Direction |
Vector Specified: Vector: X=Y=0.0, Z=-1.0 |
Boundary Condition Name/Topology |
Tab |
Boundary Condition Type |
Settings |
fix/Face |
Mechanical |
Displacement |
Select all UX, UY, and UZ. UX=0, UY=0, UZ=0 |
earth/Face |
Electric |
Electric Wall |
Electric Potential Specified: Electric Potential 0 [V] |
hot/Face |
Electric |
Electric Wall |
Electric Potential Specified: Electric Potential 10 [V] |
The gradation contour of the displacement is shown below. The contour indicates the magnitude of displacement.
