Research Article
A Nonlinear Fatigue Damage Model Based on Equivalent Transformation of Stress
Table 10
The comparison of experimental results and model-predicted results under four-block loading.
| | | Loading A, 1-2-3-4-1 | Loading B, 1-2-3–4 | Loading B, 4-3-2–1 | | Total cycles | Dev | Total damage | Total cycles | Dev | Total damage | Total cycles | Dev | Total damage |
| | Experimental | 531,000 | — | 1.139 | 434,500 | — | 1.151 | 236,500 | — | 0.79 | | Miner | 414,250 | 21.9 | 1 | 414,250 | 4.70 | 1 | 414,250 | 75.1 | 1 | | Manson | 522,670 | 1.57 | 1.129 | 447,940 | 3.06 | 1.250 | 266,780 | 7.44 | 0.872 | | Proposed model | 450,236 | 15.21 | 1.043 | 426,858 | 1.76 | 1.093 | 338,170 | 42.99 | 0.909 |
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