CAE Software【Femtet】Murata Software Co., Ltd.
Example14 Slit
General
-
An piezoelectric device with a slit is analyzed.
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The “discontinuous” boundary condition is applied on the slit which is expandable freely.
-
The resulting displacement vectors can be viewed.
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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 |
|
Solvers |
Piezoelectric Analysis [Rayleigh] |
|
Analysis Type |
Static analysis |
|
Options |
N/A |
Model
The slit is defined as an imprinting sheet body. The “discontinuous” boundary condition is set on it.
Body Attributes and Materials
|
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 |
Specified by: Vector Vector: X=-1.0, Y=0.0, Z=0.0 |
|
unit_2 |
Specified by: Vector Vector: X=1.0, Y=0.0, Z=0.0 |
Boundary Conditions
|
Boundary Condition Name/Topology |
Tab |
Boundary Condition Type |
Settings |
|
earth/Face |
Electric |
Electric wall |
Voltage specified: Voltage 0[V] |
|
hot/Face |
Electric |
Electric wall |
Voltage specified: Voltage 1[V] |
|
slit/Face |
Symmetry/Continuity |
|
Discontinuous |
Results
The vibration of the device is shown below. The color contour indicates the displacement.
The device opens opens outward at the slit.