Comparison of Monte Carlo and bootstrap analyses for residual life and confidence interval
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Jun 13, 2023
About this article
Published Online: Jun 13, 2023
Page range: 15 - 26
Received: Oct 12, 2022
Accepted: Mar 20, 2023
DOI: https://doi.org/10.2478/msp-2023-0003
Keywords
© 2023 M. M. N. Husnain et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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Classification of the tension model
Tension model | Crack shape aspect ratio ( |
Crack size aspect ratio ( |
Model width Aspect ratio ( |
Tension load (KN) |
---|---|---|---|---|
A | 1.00 | 0.8 | 0.5 | 45 |
Input distribution for the four-point bending model aluminium alloy (Al 7075-T6)
Variable | Distribution | Mean | Standard deviation |
---|---|---|---|
Initial crack length ( |
Lognormal | 8.00 mm | 0.1 |
Initial crack depth ( |
Lognormal | 4.50 mm | 0.1 |
Young’s modulus ( |
Lognormal | 71.7 GPa | 0.01 |
PR | Deterministic | 0.33 | 0 |
Tensile strength (yield) | Deterministic | 503 MPa | 0 |
Fatigue power parameter ( |
Lognormal | 2.88 | 0.1 |
Paris coefficient ( |
Lognormal | 2.29 × 10–10 | 4.01 × 10–10 |
Critical SIF ( |
Deterministic | 29 MPa. |
0 |