Figure 1.
Figure 2.
Figure 3.
Figure 4.
Baseline case parameters and resulting inspection cycle_
| Baseline Example Summary | |||||
|---|---|---|---|---|---|
| Initial Crack Length0.05 (2,3) | Critical Crack Length1.32 (4) | Total Life 55783 cycles (4) | Threshold Inspection 45000 cycles (5) | Allowable Inspection Interval 10783 cycles (6) | Recurring Inspections 3600 cycles (7) |
Comparison of baseline example inspection program to POD based a0 inspection program_
| Comparsion of Baseline Example Inspection to POD based a0 | ||||||
|---|---|---|---|---|---|---|
| Assumed a0 | Initial Crack Length | Critical Crack Length | Total Life | Threshold Inspection | Allowable Inspection Interval | Recurring Inspections |
| Baseline | 0.05 | 1.32 | 55783 cycles | 45000 cycles | 10783 cycles | 3600 cycles |
| With POD | 0.2 | 1.32 | 10783 cycles | 3600 cycles | 10783 cycles | 3600 cycles |