Home / Examples / Piezoelectric Analysis [Rayleigh] / Example 4: Pressure
Example 4: Pressure

General
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A piezoelectric disc is pressurized.
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The electric potential of floating electrode and the displacement are solved.
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Unless specified in the list below, the default conditions will be applied.
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Obtain this session's project file. (Right-click and choose 'Save link as')
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Results will vary depending on Femtet version and the PC environment.
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

Body Attributes and Materials
|
Body Number/Type |
Body Attribute Name |
Material Name |
|
0/Solid |
piezo |
000_P-4 * |
|
1/Solid |
metal |
001_Al * |
* Available from the material DB
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 |
|
p/Face |
Mechanical |
Pressure |
1 [Pa] |
|
earth/Face |
Electric |
Electric Wall |
Electric Potential Specified: Electric Potential 0 [V] |
|
hot/Face |
Electric |
Electric Wall |
Floating Electrode |
Results
To view the calculation results, go to the [Results] tab
and click [Show Numerical Summary Table]
.
The displacement of the piezoelectric disc is shown. The color contour indicates the z component of the displacement.




