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