Nde examples
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This document discusses time-of-flight diffraction (TOFD) examples using 2D and 3D models. It shows a 2D TOFD example with a 4mm defect and 15mm plate, identifying the longitudinal, backwall, shear, and tip diffraction wave modes received. It also provides runtime and memory comparisons for 2D versus 3D TOFD models, showing increased elements, runtime, and memory needs for 3D. Additional examples include using TOFD to inspect a turbine blade and blisk component.
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Nde examples
- 2. 5MHz 2D TOFD Example Transmitter Receiver 4mm defect 15mm plate
- 3. Wave Modes • Visible wave components: - Longitudinal - Backwall Acoustic pressure Shear component LongitudinalCrack tip diffraction Shear - Shear - Tip diffractions - Mode conversions
- 6. 5MHz 3D TOFD Example
- 7. 3D TOFD Model Pressure
- 8. 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
- 13. Blisk Example
- 14. Blisk Example