BOUNDARY
CONDITIONS
Polarization/Local
Axes
Data -> Conditions -> Surfaces -> Geometry -> Polarization
(Cartesian) -> Define Polarization (P1) (0,0,1) direction
Choose 3PointsXZ -> Define X axis by putting (1,0,0) -> Then
define Z axis by putting (0,0,1) -> Escape
Assign Polarization (Local-Axes P1) -> Choose every two layer
surfaces -> Finish
Data -> Conditions -> Surfaces -> Geometry -> Polarization
(Cartesian) -> Define Polarization (P2) (0,0,-1) direction
Choose 3PointsXZ -> Define X axis by putting (1,0,0) -> Then
define Z axis by putting (0,0,-1) -> Escape
Assign Polarization (Local-Axes P2) -> Choose every two layer
surfaces -> Finish
Potential
Data -> Conditions -> lines -> Potential 0.0 (or
Ground in ATILA 5.2.4 or higher version) -> Assign every two
layer line-> Forced Potential 1.0 -> Assign every two layer
line
MESHING
Mapped Mesh
Meshing -> Structured -> Surfaces -> Select
all surfaces -> Then Cancel the further process
Meshing -> Structured -> Lines -> Enter number to divide
line -> Choose necessary numbers -> Generate
PROBLEM
TYPE
Data
-> Problem data -> 2D
& Plane Strain, Harmonic, Click
both Compute Stress and Include
Losses
FREQUENCY
Data
-> Interval
data Interval
1 (100 Hz), Interval
2 (180000-200000
Hz)
Calculate -> Calculate window
-> Start
POST
PROCESS/VIEW RESULTS
Click
for Opening the Post Calculation (Flavia) Domain
Notice the new Toolbar
appearance
Click
Admittance/Impedance
Result
Admittance Peak Point : 190000 Hz ->
This
peak corresponds to the First Resonance
View Animation - Vibration
Mode at a Particular Frequency
View results -> Default Analysis/Step
-> Harmonic-Magnitude -> Set a Frequency
(100 Hz for Off-Resonance Mode: Peak Point : 190000 Hz for Resonance
Mode)
Double Click
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100 Hz Off-Resonance |
190000Hz Resonance |
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