6.1
Langevin Type Transducer (3) PROBLEM
TYPEVIEW
RESULTS
PROBLEM
- Langevin Transducer 50 mm f x
40 mm t (Two PZT 8 disks with 50 mm f x
1 mm t are sandwiched by two Steel 1 blocks with 50 mm f x
19 mm thickness ); 2D Axisymmetric with 1/2 portion
Simplest underwater transducer
Learn how to use a small sample to a low
frequency applicaiton
Learn the underwater sound propagation
PROBLEM
TYPE
Data
-> Problem data -> 2D, Axisymmetric, Harmonic,
Click both Compute Stress and Include Losses
Click
for Opening the Post Calculation (Flavia) Domain
Click Admittance/Impedance
Result
To find the exact resonance
frequency, Click "Show Values".
Admittance Peak Point : 52000 Hz -> This
peak corresponds to the First Resonance
Admittance Curve
Admittance Value Results
View Animation - Vibration
Mode at a Particular Frequency
View results -> Default Analysis/Step
-> Harmonic-Magnitude -> Set a Frequency
(Peak Point : 52000 Hz for Resonance Mode) Double Click Loading
frequency: 52000 Hz Harmonic Case -> Click OK (Single
Click and Wait for a while!)
Set
Deformation -> Displacement
View results -> Deformation -> Displacement
Other parameter than Displacement
Set Results View -> View results
-> Contour Lines -> Fluid
Pressure
After setting both “Results view” and “Deformation” -> Click to
see the Animation