Download - Nde examples
Transcript
Time of Flight Diffraction Example
5MHz 2D TOFD Example
Transmitter Receiver
4mm defect
15mm plate
Wave Modes
• Visible wave components:
- Longitudinal
- Backwall
Acoustic pressure
Shear component
LongitudinalCrack tip diffraction
Shear
- Shear
- Tip diffractions
- Mode
conversions
Received Signal
Crack tip diffraction
Longitudinal Backwall
Maximum Pressure Plot
5MHz 3D TOFD Example
3D TOFD Model Pressure
Runtime & Memory
2D 3D
Elements 579 k 42.3 M
Runtime 2 min 20 s * 1 hr 30 min *
Memory 59 MB 4.75 GB
* Run on dual quad core Intel Xeon E5520
Turbine Blade Example
Turbine Blade CAD
Turbine Blade Model
Turbine Blade Maximum Pressure
pmax_display.mp4
Blisk Example
Blisk Example