Research Article
A Nonlinear Fatigue Damage Model Based on Equivalent Transformation of Stress
Table 8
The comparison of experimental results and model-predicted results under three-block loading.
| Stress amplitude | Experimental | Miner | Manson | Proposed model | d1 | d2 | Result | d3 | d3 | Dev/% | d3 | Dev/% | d3 | Dev/% |
| S1, S3, and S4 | 0.556 | 0.248 | 327 | 0.646 | 0.196 | 69.7 | 0.986 | 52.6 | 0.688 | 6.53 | S1, S4, and S3 | 0.556 | 0.191 | 5392 | 0.517 | 0.253 | 51.1 | 0.376 | 27.3 | 0.409 | 20.95 | S4, S3, and S2 | 0.191 | 0.248 | 43431 | 0.159 | 0.561 | 253 | 0.037 | 77.0 | 0.107 | 32.58 | S4, S2, and S3 | 0.287 | 0.064 | 4001 | 0.334 | 0.649 | 94.3 | 0.100 | 70.0 | 0.357 | 6.80 |
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