CAE Software【Femtet】Murata Software Co., Ltd.
Example1 Static Analysis
General
-
The model is a bar consisting of two piezoelectric materials which are piggybacked and reversely polarized.
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The device’s displacement is solved.
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Unless specified in the list below, the default conditions will be applied.
Analysis Space
|
Item |
Settings |
|
Analysis Space |
3D |
|
Model unit |
mm |
Analysis Conditions
|
Item |
Settings |
|
Solver |
Piezoelectric Analysis [Rayleigh] |
|
Analysis Type |
Static analysis |
|
Options |
N/A |
Model
Two solid bodies are created. They are named “upper” and “lower”, and reversely polarized.
One end is mechanically fixed. The voltages of top and bottom faces are 10[V] and 0[V] respectively.
Body Attributes and Materials
|
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 |
Specifying method: Vector Vector: X=Y=0.0, Z=1.0 |
|
lower |
Direction |
Specifying method: Vector Vector: X=Y=0.0, Z=-1.0 |
Boundary Conditions
|
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 |
Voltage specified: Voltage 0[V] |
|
hot/Face |
Electric |
Electric wall |
Voltage specified: Voltage 10[V] |
Results
The gradation contour of the displacement is shown below. The contour indicates the displacement.
